{"title":"HYUNDAI SEAL KITS","description":"\u003cp\u003eHYUNDAI SEAL KITS from WQC Parts are organized to help buyers identify reliable aftermarket replacement parts by part number, equipment family, system, and application. This collection focuses on seal kits, O-rings, packing, gaskets, repair kits, and related sealing components used to prevent fluid loss, restore sealing performance, and support hydraulic, engine, drivetrain, and service repairs.\u003c\/p\u003e\n\u003cp\u003eHeavy equipment parts should be selected carefully because the same general description can apply to multiple machines, serial ranges, component groups, or diagram positions. Use this collection as a focused product group, then confirm the exact part number and machine details before ordering.\u003c\/p\u003e\n\u003ch2\u003eHeavy Equipment Seals \u0026amp; Service Kits Applications\u003c\/h2\u003e\n\u003cp\u003eProducts in this collection may support construction, mining, quarry, forestry, utility, road-building, and fleet maintenance applications. Depending on the machine and component group, fitment may depend on model series, serial range, installed arrangement, hydraulic configuration, engine arrangement, attachment package, or work-equipment setup.\u003c\/p\u003e\n\u003ch2\u003eHow to Confirm Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSearch by the original part number when available.\u003c\/li\u003e\n\u003cli\u003eConfirm the machine model, serial range, and component location.\u003c\/li\u003e\n\u003cli\u003eCheck diagram position, quantity, and arrangement notes where parts-book information is available.\u003c\/li\u003e\n\u003cli\u003eCompare dashed and non-dashed part-number formats when searching.\u003c\/li\u003e\n\u003cli\u003eContact WQC Parts with the part number, model, serial number, and photos when fitment is uncertain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Quality Matters\u003c\/h2\u003e\n\u003cp\u003eIncorrect or low-quality replacement parts can lead to premature wear, leaks, downtime, poor fitment, repeat repairs, and damage to related components. Properly matched aftermarket parts help protect machine uptime and reduce avoidable repair cost.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from WQC Parts?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket heavy equipment parts organized by part number, system, and machine family.\u003c\/li\u003e\n\u003cli\u003eSupport for alternate part numbers and practical fitment review.\u003c\/li\u003e\n\u003cli\u003eClear collection structure for faster product discovery.\u003c\/li\u003e\n\u003cli\u003eReliable sourcing focused on keeping equipment working.\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"hyundai-31e7-2711-seal-kit-hyu-31e7-2711","title":"Hyundai 31E7-2711 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31E7-2711 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31E7-2711\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e110 X 160 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31E7-2711\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Hyundai\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.884 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31E7-2711\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31E7-2711\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582249472096,"sku":"HYU-31E7-2711","price":224.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31e7-2711_heavy-equipment-parts_a67fe43b-276b-410f-87b3-4fd1c11ca7d7.jpg?v=1771698640"},{"product_id":"hyundai-31e7-2712-seal-kit-hyu-31e7-2712","title":"Hyundai 31E7-2712 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31E7-2712 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31E7-2712\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e120 X 185 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31E7-2712\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Hyundai\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 1.014 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31E7-2712\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31E7-2712\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582249537632,"sku":"HYU-31E7-2712","price":683.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31e7-2712_heavy-equipment-parts_fa15688c-4313-4750-b5cc-c0708d7409c0.jpg?v=1771698626"},{"product_id":"hyundai-31e7-2713-seal-kit-hyu-31e7-2713","title":"Hyundai 31E7-2713 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31E7-2713 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31E7-2713\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e110 X 160 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31E7-2713\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Hyundai\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 1.65 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31E7-2713\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31E7-2713\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582249603168,"sku":"HYU-31E7-2713","price":769.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31e7-2713_heavy-equipment-parts_28d89589-6139-4434-a603-732758556439.jpg?v=1771698641"},{"product_id":"hyundai-31y1-02870-seal-kit-hyu-31y1-02870","title":"Hyundai 31Y1-02870 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-02870 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-02870\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-65.00x100.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-02870\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket (Lr)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.38 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-02870\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-02870\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582249635936,"sku":"HYU-31Y1-02870","price":48.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-02870_heavy-equipment-parts_951119a7-ade0-40c8-a93b-009a24ee57a3.jpg?v=1771698636"},{"product_id":"hyundai-31y1-05260-seal-kit-hyu-31y1-05260","title":"Hyundai 31Y1-05260 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-05260 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-05260\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e85 X 125\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-05260\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Hyundai\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.291 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-05260\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-05260\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582249734240,"sku":"HYU-31Y1-05260","price":287.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-05260_heavy-equipment-parts_9567ae08-66cd-486b-8b76-46e75ead5cb3.jpg?v=1771698638"},{"product_id":"hyundai-31y1-06731n-seal-kit-hyu-31y1-06731n","title":"Hyundai 31Y1-06731N Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-06731N Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-06731N\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eM-SK-P-UB-14-95 X 140\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-06731N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm (Lr)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.792 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-06731N\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-06731N\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582249832544,"sku":"HYU-31Y1-06731N","price":256.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-06731n_heavy-equipment-parts_f038d6eb-9942-4753-8296-e33032242ee3.jpg?v=1771698645"},{"product_id":"hyundai-31y1-12630-seal-kit-hyu-31y1-12630","title":"Hyundai 31Y1-12630 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-12630 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-12630\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-100.00x160.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-12630\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm (Lr)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 1.262 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-12630\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-12630\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582249898080,"sku":"HYU-31Y1-12630","price":165.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-12630_heavy-equipment-parts_0f4b48da-d31f-4ae8-9d42-8a9a9f408b04.jpg?v=1771698647"},{"product_id":"hyundai-31y1-13800n-seal-kit-hyu-31y1-13800n","title":"Hyundai 31Y1-13800N Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-13800N Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-13800N\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eM-SK-P-UB-14-70 X 100\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-13800N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket (Lr)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.713 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-13800N\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-13800N\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250192992,"sku":"HYU-31Y1-13800N","price":230.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-13800n_heavy-equipment-parts_a739556e-7044-4814-a2e9-4f695a182bef.jpg?v=1771698643"},{"product_id":"hyundai-31y1-15040-seal-kit-hyu-31y1-15040","title":"Hyundai 31Y1-15040 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15040 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15040\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-110.00x150.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.924 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15040\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15040\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250225760,"sku":"HYU-31Y1-15040","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15040_heavy-equipment-parts_e335972f-226a-4520-82d2-9ca502da60d8.jpg?v=1771698645"},{"product_id":"hyundai-31y1-15230n-seal-kit-hyu-31y1-15230n","title":"Hyundai 31Y1-15230N Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15230N Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15230N\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eM-SK-P-UB-14-100 X 140\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15230N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.822 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15230N\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15230N\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250324064,"sku":"HYU-31Y1-15230N","price":253.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15230n_heavy-equipment-parts_e1b32e7a-77a3-4c6a-9bee-59ca6c3ec53a.jpg?v=1771698637"},{"product_id":"hyundai-31y1-15236-seal-kit-hyu-31y1-15236","title":"Hyundai 31Y1-15236 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15236 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15236\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-100.00x140.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.838 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15236\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15236\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250356832,"sku":"HYU-31Y1-15236","price":131.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15236_heavy-equipment-parts_2d983e2a-0f47-4efd-a3e4-f432c444c169.jpg?v=1771698646"},{"product_id":"hyundai-31y1-15700n-seal-kit-hyu-31y1-15700n","title":"Hyundai 31Y1-15700N Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15700N Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15700N\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eM-SK-P-UB-14-85 X 125\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15700N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.448 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15700N\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15700N\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250520672,"sku":"HYU-31Y1-15700N","price":210.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15700n_heavy-equipment-parts_3b85aa83-ea13-44c7-b185-fb5f06c23393.jpg?v=1771698643"},{"product_id":"hyundai-31y1-15705-seal-kit-hyu-31y1-15705","title":"Hyundai 31Y1-15705 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15705 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15705\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-85.00x125.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15705\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.68 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15705\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15705\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250553440,"sku":"HYU-31Y1-15705","price":123.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15705_heavy-equipment-parts_d6bfe940-50e6-41f0-bd17-b17b011e2e03.jpg?v=1771698653"},{"product_id":"hyundai-31y1-15880n-seal-kit-hyu-31y1-15880n","title":"Hyundai 31Y1-15880N Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15880N Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15880N\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eM-SK-P-UB-14-85 X 120\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15880N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.568 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15880N\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15880N\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250586208,"sku":"HYU-31Y1-15880N","price":203.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15880n_heavy-equipment-parts_c8f452e8-1906-454e-985b-13626f68c227.jpg?v=1771698649"},{"product_id":"hyundai-31y1-18110-seal-kit-hyu-31y1-18110","title":"Hyundai 31Y1-18110 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-18110 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-18110\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-80.00x115.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-18110\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.486 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-18110\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-18110\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250651744,"sku":"HYU-31Y1-18110","price":99.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-18110_heavy-equipment-parts_c7455aa0-f96b-4b87-a610-e362b07652b6.jpg?v=1771698648"},{"product_id":"hyundai-31y1-18210-seal-kit-hyu-31y1-18210","title":"Hyundai 31Y1-18210 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-18210 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-18210\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-70.00x100.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-18210\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.422 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-18210\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-18210\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582250717280,"sku":"HYU-31Y1-18210","price":91.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-18210_heavy-equipment-parts_f3bf1ae1-dfed-4ffe-a004-95b7ca1b4b93.jpg?v=1771698649"},{"product_id":"hyundai-31y1-30111-seal-kit-hyu-31y1-30111","title":"Hyundai 31Y1-30111 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-30111 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-30111\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-110.00x150.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-30111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 1.005 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-30111\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-30111\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251012192,"sku":"HYU-31Y1-30111","price":110.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-30111_heavy-equipment-parts_d245998c-30a0-4a0b-b151-0eb7dc8c9c0d.jpg?v=1771698651"},{"product_id":"hyundai-31y1-36850-seal-kit-hyu-31y1-36850","title":"Hyundai 31Y1-36850 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-36850 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-36850\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-70.00x100.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-36850\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.616 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-36850\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-36850\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251044960,"sku":"HYU-31Y1-36850","price":76.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-36850_heavy-equipment-parts_533e3017-74f8-470c-a4d0-fa8f47b51436.jpg?v=1771698650"},{"product_id":"hyundai-31y1-36851-seal-kit-hyu-31y1-36851","title":"Hyundai 31Y1-36851 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-36851 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-36851\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-70.00x100.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-36851\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.662 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-36851\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-36851\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251077728,"sku":"HYU-31Y1-36851","price":116.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-36851_heavy-equipment-parts_47b72e55-68f5-483c-992e-c3a65879fd03.jpg?v=1771698655"},{"product_id":"hyundai-91e1-2706-seal-kit-hyu-91e1-2706","title":"Hyundai 91E1-2706 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E1-2706 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E1-2706\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e85 X 125 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E1-2706\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.373 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E1-2706\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E1-2706\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251110496,"sku":"HYU-91E1-2706","price":390.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e1-2706_heavy-equipment-parts_679f0a52-1c47-4dc4-927e-767095314c5d.jpg?v=1771698652"},{"product_id":"hyundai-91e1-2707-seal-kit-hyu-91e1-2707","title":"Hyundai 91E1-2707 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E1-2707 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E1-2707\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e95 X 140 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E1-2707\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.693 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E1-2707\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E1-2707\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251143264,"sku":"HYU-91E1-2707","price":510.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e1-2707_heavy-equipment-parts_c47b8e94-8202-471c-9d76-fe1535ba6bd9.jpg?v=1771698652"},{"product_id":"hyundai-91e1-2708-seal-kit-hyu-91e1-2708","title":"Hyundai 91E1-2708 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E1-2708 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E1-2708\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e80 X 120 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E1-2708\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.432 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E1-2708\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E1-2708\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251176032,"sku":"HYU-91E1-2708","price":416.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e1-2708_heavy-equipment-parts_d7741ef3-a212-4fb9-86a9-df2f37e799bf.jpg?v=1771698663"},{"product_id":"hyundai-91e2-2707-seal-kit-hyu-91e2-2707","title":"Hyundai 91E2-2707 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E2-2707 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E2-2707\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e95 X 145 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E2-2707\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.703 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E2-2707\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E2-2707\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251208800,"sku":"HYU-91E2-2707","price":475.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e2-2707_heavy-equipment-parts_f9dd86a8-3c64-4239-918b-1fbb7e9c10e6.jpg?v=1771698655"},{"product_id":"hyundai-91e2-2708-seal-kit-hyu-91e2-2708","title":"Hyundai 91E2-2708 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E2-2708 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E2-2708\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e105 X 150 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E2-2708\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.919 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E2-2708\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E2-2708\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251241568,"sku":"HYU-91E2-2708","price":177.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e2-2708_heavy-equipment-parts_5bab9126-ceb8-44be-8713-6f560a6dc2aa.jpg?v=1771698656"},{"product_id":"hyundai-91e2-2709-seal-kit-hyu-91e2-2709","title":"Hyundai 91E2-2709 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E2-2709 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E2-2709\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e95 X 145 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E2-2709\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.759 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E2-2709\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E2-2709\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251274336,"sku":"HYU-91E2-2709","price":456.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e2-2709_heavy-equipment-parts_7b2cbfc2-9256-44c3-ab15-7371536a3cd3.jpg?v=1771698651"},{"product_id":"hyundai-91e6-2711-seal-kit-hyu-91e6-2711","title":"Hyundai 91E6-2711 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E6-2711 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E6-2711\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e75 X 105 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E6-2711\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.27 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E6-2711\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E6-2711\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251307104,"sku":"HYU-91E6-2711","price":144.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e6-2711_heavy-equipment-parts_d7c58cd0-bc26-4afe-96f3-fc11c517d3e7.jpg?v=1771698649"},{"product_id":"hyundai-91e6-2712-seal-kit-hyu-91e6-2712","title":"Hyundai 91E6-2712 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E6-2712 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E6-2712\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e80 X 115 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E6-2712\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.475 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E6-2712\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E6-2712\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251339872,"sku":"HYU-91E6-2712","price":441.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e6-2712_heavy-equipment-parts_17b788b7-e9f2-4b82-b862-4356ed55e1d9.jpg?v=1771698656"},{"product_id":"hyundai-91e6-2713-seal-kit-hyu-91e6-2713","title":"Hyundai 91E6-2713 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E6-2713 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E6-2713\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e70 X 100 mm\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E6-2713\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.281 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E6-2713\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E6-2713\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251372640,"sku":"HYU-91E6-2713","price":157.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e6-2713_heavy-equipment-parts_ed30adbd-6688-4445-acfc-8348c2f18af6.jpg?v=1771698654"},{"product_id":"hyundai-91e8-2707-seal-kit-hyu-91e8-2707","title":"Hyundai 91E8-2707 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E8-2707 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E8-2707\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-100.00x140.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E8-2707\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Hyundai\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.865 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E8-2707\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E8-2707\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251405408,"sku":"HYU-91E8-2707","price":637.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e8-2707_heavy-equipment-parts_3b12cb1f-86c4-4885-a30f-f70f02024ff2.jpg?v=1771698662"},{"product_id":"hyundai-91e8-2708-seal-kit-hyu-91e8-2708","title":"Hyundai 91E8-2708 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E8-2708 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E8-2708\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e110 X 160\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E8-2708\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Hyundai\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.953 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E8-2708\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E8-2708\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251438176,"sku":"HYU-91E8-2708","price":816.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e8-2708_heavy-equipment-parts_db46a234-5dfa-4e80-8f6b-212880468b0b.jpg?v=1771698661"},{"product_id":"hyundai-91e8-2709-seal-kit-hyu-91e8-2709","title":"Hyundai 91E8-2709 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 91E8-2709 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-91E8-2709\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e100X140\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-91E8-2709\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Hyundai\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.856 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-91E8-2709\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-91E8-2709\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42582251470944,"sku":"HYU-91E8-2709","price":690.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-91e8-2709_heavy-equipment-parts_0ea68ea6-4eaa-44a3-8df0-4e09ebb8b66d.jpg?v=1771698661"},{"product_id":"hyundai-31y1-29100-seal-kit-hyu-31y1-29100","title":"Hyundai 31Y1-29100 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-29100 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-29100\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-85.00x120.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-29100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.44 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-29100\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-29100\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585400901728,"sku":"HYU-31Y1-29100","price":108.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-29100_heavy-equipment-parts_94e5c5d6-80b4-4739-8fa4-e390935ba689.jpg?v=1771703756"},{"product_id":"hyundai-31y1-28960-seal-kit-hyu-31y1-28960","title":"Hyundai 31Y1-28960 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-28960 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-28960\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-85.00x120.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-28960\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.44 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-28960\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-28960\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585400934496,"sku":"HYU-31Y1-28960","price":108.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-28960_heavy-equipment-parts_71557e95-4cb8-48b1-8275-0caaee67363a.jpg?v=1771703743"},{"product_id":"hyundai-31y1-28790-seal-kit-hyu-31y1-28790","title":"Hyundai 31Y1-28790 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-28790 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-28790\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-100.00x140.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-28790\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.866 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-28790\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-28790\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585400967264,"sku":"HYU-31Y1-28790","price":123.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-28790_heavy-equipment-parts_91e123c6-d682-48c4-bd3e-365b44d42b17.jpg?v=1771703744"},{"product_id":"hyundai-31y1-24090-seal-kit-hyu-31y1-24090","title":"Hyundai 31Y1-24090 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-24090 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-24090\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-95.00x160.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-24090\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Adjust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.927 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-24090\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-24090\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401000032,"sku":"HYU-31Y1-24090","price":108.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-24090_heavy-equipment-parts_e17c0f5c-a586-41a8-b46c-5749e627aeb7.jpg?v=1771703747"},{"product_id":"hyundai-31y1-21200-seal-kit-hyu-31y1-21200","title":"Hyundai 31Y1-21200 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-21200 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-21200\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-75.00x105.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-21200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Adjust Boom (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.671 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-21200\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-21200\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401032800,"sku":"HYU-31Y1-21200","price":68.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-21200_heavy-equipment-parts_bfa5242f-56d4-4c91-a7fa-4b7267c79360.jpg?v=1771703763"},{"product_id":"hyundai-31y1-20450-seal-kit-hyu-31y1-20450","title":"Hyundai 31Y1-20450 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-20450 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-20450\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-85.00x120.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-20450\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.458 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-20450\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-20450\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401065568,"sku":"HYU-31Y1-20450","price":115.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-20450_heavy-equipment-parts_d455b7ca-640c-4d1b-8507-edf908307ff7.jpg?v=1771703762"},{"product_id":"hyundai-31y1-20430-seal-kit-hyu-31y1-20430","title":"Hyundai 31Y1-20430 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-20430 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-20430\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-80.00x115.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-20430\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Adjust Boom (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.498 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-20430\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-20430\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401098336,"sku":"HYU-31Y1-20430","price":101.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-20430_heavy-equipment-parts_850761f4-238a-4776-81b0-8e989b2e9f59.jpg?v=1771703764"},{"product_id":"hyundai-31y1-20340-seal-kit-hyu-31y1-20340","title":"Hyundai 31Y1-20340 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-20340 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-20340\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-80.00x115.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-20340\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.47 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-20340\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-20340\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401131104,"sku":"HYU-31Y1-20340","price":78.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-20340_heavy-equipment-parts_108a37ea-d1cf-455b-8f4a-c3cfbf7e3ae1.jpg?v=1771703756"},{"product_id":"hyundai-31y1-18170-seal-kit-hyu-31y1-18170","title":"Hyundai 31Y1-18170 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-18170 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-18170\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-75.00x105.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-18170\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.656 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-18170\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-18170\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401163872,"sku":"HYU-31Y1-18170","price":57.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-18170_heavy-equipment-parts_79ee9cd8-acf7-40f6-a15b-9e625781859d.jpg?v=1771703755"},{"product_id":"hyundai-31y1-15885-seal-kit-hyu-31y1-15885","title":"Hyundai 31Y1-15885 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15885 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15885\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-85.00x120.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15885\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.504 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15885\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15885\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401196640,"sku":"HYU-31Y1-15885","price":102.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15885_heavy-equipment-parts_dedaa6af-2c85-484a-a7ff-bab61311135f.jpg?v=1771703753"},{"product_id":"hyundai-31y1-15545-seal-kit-hyu-31y1-15545","title":"Hyundai 31Y1-15545 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15545 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15545\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-95.00x140.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15545\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.81 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15545\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15545\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401229408,"sku":"HYU-31Y1-15545","price":123.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15545_heavy-equipment-parts_2d96a7df-ceb2-4229-a204-6cfb57a2a8c9.jpg?v=1771703758"},{"product_id":"hyundai-31y1-15540-seal-kit-hyu-31y1-15540","title":"Hyundai 31Y1-15540 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15540 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15540\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-95.00x140.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15540\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.813 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15540\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15540\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401262176,"sku":"HYU-31Y1-15540","price":124.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15540_heavy-equipment-parts_c2127bf2-792c-447c-a41b-039c6ec5ce90.jpg?v=1771703762"},{"product_id":"hyundai-31y1-15395-seal-kit-hyu-31y1-15395","title":"Hyundai 31Y1-15395 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15395 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15395\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-100.00x140.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15395\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.83 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15395\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15395\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401327712,"sku":"HYU-31Y1-15395","price":131.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15395_heavy-equipment-parts_8df9aa51-ae00-4939-9fba-23553f2571cb.jpg?v=1771703759"},{"product_id":"hyundai-31y1-15390-seal-kit-hyu-31y1-15390","title":"Hyundai 31Y1-15390 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15390 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15390\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-100.00x140.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15390\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Boom (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 1.045 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15390\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15390\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401393248,"sku":"HYU-31Y1-15390","price":133.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15390_heavy-equipment-parts_7e63b05a-a174-4f83-aa15-b2247bff7e47.jpg?v=1771703755"},{"product_id":"hyundai-31y1-15047-seal-kit-hyu-31y1-15047","title":"Hyundai 31Y1-15047 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15047 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15047\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-110.00x150.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15047\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.941 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15047\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15047\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401426016,"sku":"HYU-31Y1-15047","price":158.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15047_heavy-equipment-parts_8dfacf1f-4346-4098-8013-396540db3ed0.jpg?v=1771703752"},{"product_id":"hyundai-31y1-15045-seal-kit-hyu-31y1-15045","title":"Hyundai 31Y1-15045 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-15045 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-15045\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-110.00x150.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-15045\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.893 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-15045\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-15045\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401458784,"sku":"HYU-31Y1-15045","price":98.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-15045_heavy-equipment-parts_a703c2c2-9d4d-479c-a2a3-2c18230c543d.jpg?v=1771703765"},{"product_id":"hyundai-31y1-13800-seal-kit-hyu-31y1-13800","title":"Hyundai 31Y1-13800 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-13800 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-13800\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-70.00x100.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-13800\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket (Lr)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.614 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-13800\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-13800\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401491552,"sku":"HYU-31Y1-13800","price":66.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-13800_heavy-equipment-parts_c9d95ac6-75b8-4d17-bb70-51314efdd794.jpg?v=1771703760"},{"product_id":"hyundai-31y1-13010-seal-kit-hyu-31y1-13010","title":"Hyundai 31Y1-13010 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-13010 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-13010\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-75.00x110.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-13010\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Blade (Lh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.534 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 651, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-13010\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-13010\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401524320,"sku":"HYU-31Y1-13010","price":69.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-13010_heavy-equipment-parts_79b772dd-9517-44b1-8d2b-25e86298ca7f.jpg?v=1771703769"},{"product_id":"hyundai-31y1-06841-seal-kit-hyu-31y1-06841","title":"Hyundai 31Y1-06841 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eHyundai 31Y1-06841 Seal Kit\u003c\/strong\u003e is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.\u003c\/p\u003e \u003cp\u003eThis listing uses Hercules part number \u003cstrong\u003eHYU-31Y1-06841\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eSK-P-UB-14-80.00x115.00\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003eProduct Details\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHercules part number:\u003c\/strong\u003e HYU-31Y1-06841\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic cylinder seal kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Bucket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.452 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog data source:\u003c\/strong\u003e 2026 US Mobile Kit Catalog\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCatalog Application Data\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment type:\u003c\/strong\u003e Excavators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel or series reference:\u003c\/strong\u003e 650\/1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page reference:\u003c\/strong\u003e 652, 653\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse this product when your parts book, service manual, cylinder repair list, pump\/motor breakdown, or existing component calls for \u003cstrong\u003eHYU-31Y1-06841\u003c\/strong\u003e. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.\u003c\/p\u003e \u003ch3\u003eFitment Verification\u003c\/h3\u003e\u003cp\u003eBefore ordering, confirm the \u003cstrong\u003eHYU-31Y1-06841\u003c\/strong\u003e reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump\/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.\u003c\/p\u003e","brand":"HERCULES","offers":[{"title":"Default Title","offer_id":42585401557088,"sku":"HYU-31Y1-06841","price":71.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/hyu-31y1-06841_heavy-equipment-parts_f950dffd-9170-41bb-a4f8-31b621739494.jpg?v=1771703756"}],"url":"https:\/\/wqcparts.com\/fr\/collections\/hyundai-seal-kits.oembed","provider":"WQC PARTS","version":"1.0","type":"link"}