{"title":"ESCO SEAL KITS","description":"\u003cp\u003eESCO 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":"esco-4046426-seal-kit-es-4046426","title":"Esco 4046426 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 4046426 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\u003eES-4046426\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2-1\/2 X 5\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 ES-4046426\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.262 lb\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\u003eES-4046426\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\u003eES-4046426\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":42582212935776,"sku":"ES-4046426","price":120.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-4046426_heavy-equipment-parts_6b92972f-ceed-4fe5-bdf4-74f26117939c.jpg?v=1771698339"},{"product_id":"esco-4049054-seal-kit-es-4049054","title":"Esco 4049054 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 4049054 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\u003eES-4049054\u003c\/strong\u003e. Catalog description: \u003cstrong\u003eTRW Motor Kit\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 ES-4049054\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Pump, motor, valve, or hydraulic repair kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brand\/application:\u003c\/strong\u003e Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.35 lb\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\u003eES-4049054\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\u003eES-4049054\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":42582212968544,"sku":"ES-4049054","price":293.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-4049054_heavy-equipment-parts_d5076158-41e9-4e26-819e-d33b83c5bb78.jpg?v=1771698363"},{"product_id":"esco-4050756-seal-kit-es-4050756","title":"Esco 4050756 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 4050756 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\u003eES-4050756\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2-1\/4 X 4\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 ES-4050756\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.147 lb\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\u003eES-4050756\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\u003eES-4050756\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":42582213001312,"sku":"ES-4050756","price":41.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-4050756_heavy-equipment-parts_20c7789b-877c-4da3-86a4-3315d696922f.jpg?v=1771698338"},{"product_id":"esco-4095570-seal-kit-es-4095570","title":"Esco 4095570 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 4095570 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\u003eES-4095570\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2-1\/4 X 4\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 ES-4095570\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.147 lb\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\u003eES-4095570\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\u003eES-4095570\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":42582213034080,"sku":"ES-4095570","price":41.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-4095570_heavy-equipment-parts_19e18abc-4d12-44da-9162-37771bb7442c.jpg?v=1771698342"},{"product_id":"esco-420885-seal-kit-es-420885","title":"Esco 420885 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 420885 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\u003eES-420885\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e1-1\/2 X 3-1\/2\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 ES-420885\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.117 lb\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\u003eES-420885\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\u003eES-420885\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":42582213066848,"sku":"ES-420885","price":26.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-420885_heavy-equipment-parts_0b01a302-f915-415f-b003-2831ba79efd2.jpg?v=1771698354"},{"product_id":"esco-421446-seal-kit-es-421446","title":"Esco 421446 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 421446 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\u003eES-421446\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2 X 4\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 ES-421446\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.137 lb\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\u003eES-421446\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\u003eES-421446\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":42582213099616,"sku":"ES-421446","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-421446_heavy-equipment-parts_8ac2edcd-693c-4e2a-9461-c753f78ab2f4.jpg?v=1771698346"},{"product_id":"esco-421461-seal-kit-es-421461","title":"Esco 421461 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 421461 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\u003eES-421461\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2 X 5\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 ES-421461\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.281 lb\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\u003eES-421461\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\u003eES-421461\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":42582213132384,"sku":"ES-421461","price":85.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-421461_heavy-equipment-parts_04cb9df6-5ea5-4af1-bb87-2fbb7fd166c9.jpg?v=1771698350"},{"product_id":"esco-421479-seal-kit-es-421479","title":"Esco 421479 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 421479 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\u003eES-421479\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2 X 6\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 ES-421479\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.256 lb\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\u003eES-421479\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\u003eES-421479\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":42582213165152,"sku":"ES-421479","price":94.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-421479_heavy-equipment-parts_228b06a7-5d2b-4ee3-b7cd-47f8ff602d73.jpg?v=1771698374"},{"product_id":"esco-422204-seal-kit-es-422204","title":"Esco 422204 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 422204 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\u003eES-422204\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2 X 3-1\/2\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 ES-422204\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.13 lb\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\u003eES-422204\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\u003eES-422204\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":42582213197920,"sku":"ES-422204","price":56.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-422204_heavy-equipment-parts_e5b4078b-356a-4ea7-b429-40a835dd8c33.jpg?v=1771698334"},{"product_id":"esco-434043-seal-kit-es-434043","title":"Esco 434043 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 434043 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\u003eES-434043\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2-1\/2 X 5\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 ES-434043\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.176 lb\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\u003eES-434043\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\u003eES-434043\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":42582213230688,"sku":"ES-434043","price":39.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-434043_heavy-equipment-parts_3fb7fcab-0626-4b3d-b6ac-7db03bb27502.jpg?v=1771698335"},{"product_id":"esco-434837-seal-kit-es-434837","title":"Esco 434837 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 434837 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\u003eES-434837\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2-1\/2 X 4\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 ES-434837\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.193 lb\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\u003eES-434837\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\u003eES-434837\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":42582213263456,"sku":"ES-434837","price":46.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-434837_heavy-equipment-parts_c8f53547-2c54-4025-8e1e-d3ed0bc1f17d.jpg?v=1771698343"},{"product_id":"esco-435261-seal-kit-es-435261","title":"Esco 435261 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 435261 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\u003eES-435261\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e1-1\/2 X 3-1\/2 Boom Cyl.\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 ES-435261\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.123 lb\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\u003eES-435261\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\u003eES-435261\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":42582213296224,"sku":"ES-435261","price":49.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-435261_heavy-equipment-parts_904af3c2-a483-4106-8355-d9a8232cb603.jpg?v=1771698352"},{"product_id":"esco-435398-seal-kit-es-435398","title":"Esco 435398 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 435398 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\u003eES-435398\u003c\/strong\u003e. 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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\u003eES-435398\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":42582213328992,"sku":"ES-435398","price":31.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-435398_heavy-equipment-parts_c716ace4-c064-4535-8dab-3e040ea4841c.jpg?v=1771698351"},{"product_id":"esco-435430-seal-kit-es-435430","title":"Esco 435430 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 435430 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\u003eES-435430\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2 X 4\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 ES-435430\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.15 lb\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\u003eES-435430\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\u003eES-435430\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":42582213361760,"sku":"ES-435430","price":37.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-435430_heavy-equipment-parts_08b06fac-df67-4a59-b94d-f6313b12e4bc.jpg?v=1771698343"},{"product_id":"esco-435686-seal-kit-es-435686","title":"Esco 435686 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 435686 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\u003eES-435686\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2-1\/2 X 5\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 ES-435686\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.262 lb\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\u003eES-435686\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\u003eES-435686\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":42582213394528,"sku":"ES-435686","price":120.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/es-435686_heavy-equipment-parts_29ead26b-de87-4e9a-affb-2d868ac4f2bc.jpg?v=1771698345"},{"product_id":"esco-435942-seal-kit-es-435942","title":"Esco 435942 Seal Kit","description":"\u003cp\u003e\u003cstrong\u003eEsco 435942 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\u003eES-435942\u003c\/strong\u003e. Catalog description: \u003cstrong\u003e2-1\/4 X 4\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 ES-435942\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 Esco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 0.141 lb\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\u003eES-435942\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\u003eES-435942\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. 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