{"product_id":"komatsu-17a-50-12391-pin-km-17a-50-12391","title":"Komatsu 17A-50-12391 Pin","description":"Alternate Part# 17A5012391\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003e \u003cp\u003eThe 17A-50-12391 pin, also known as 17A5012391, is a high-quality replacement part manufactured by Komatsu. Designed to meet the specific requirements of various Komatsu machinery, this pin is an essential component for ensuring optimal performance and longevity.\u003c\/p\u003e \u003cp\u003eCrafted with precision and expertise, this pin offers exceptional durability and reliability in demanding working conditions. It is engineered to withstand heavy loads, vibrations, and extreme temperatures, ensuring that it can handle the toughest tasks without compromising on functionality.\u003c\/p\u003e \u003cp\u003eThe 17A-50-12391 pin is designed for easy installation, allowing for hassle-free replacement or repair. With its precise dimensions and compatibility with Komatsu equipment, this pin ensures a perfect fit, reducing downtime and increasing productivity.\u003c\/p\u003e \u003cp\u003eThis high-quality pin is made from premium materials, which provide excellent resistance against wear, corrosion, and impact. Its robust construction guarantees a long service life, minimizing the need for frequent replacements and saving you time and money in the long run.\u003c\/p\u003e \u003cp\u003eWhether you are involved in construction, mining, or any other industry that relies on Komatsu machinery, the 17A-50-12391 pin is an essential part to keep your equipment running smoothly. Trust in its superior quality and compatibility, backed by Komatsu's reputation for excellence in the industry.\u003c\/p\u003e \u003cp\u003ePlease note that the\u003c\/p\u003e \u003c\/div\u003e \u003chr\u003e \u003ch2\u003eKomatsu  Pin Specifications \u0026amp; Fitment\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eWhat it is:\u003c\/strong\u003e Heavy-equipment pin designed for tight-tolerance pivot joints where wear control and alignment matter.\u003c\/p\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003ePart number:\u003c\/strong\u003e See title\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eSKU:\u003c\/strong\u003e KM-17A-50-12391\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eTypical use:\u003c\/strong\u003e Boom\/arm\/bucket linkages, work equipment pivots, and high-wear joints.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey measurements to confirm\u003c\/h3\u003e \u003cp\u003eTo ensure correct fit, match the following measurements to your machineTMs worn component or OEM spec:\u003c\/p\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003eInside Diameter (ID):\u003c\/strong\u003e ___\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eOutside Diameter (OD):\u003c\/strong\u003e ___\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eOverall Length:\u003c\/strong\u003e ___\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eQuality notes\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003eDesigned for consistent clearance and long service life when installed with proper lubrication.\u003c\/li\u003e   \u003cli\u003eReplace pins and bushings as a set when wear is uneven to prevent premature failure.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation tip\u003c\/h3\u003e \u003cp\u003eMeasure the bore, pin, and bushing after press-fit. Use proper tooling and lubrication, and re-check end-play after assembly.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eNeed help confirming dimensions?\u003c\/em\u003e Send your machine model and the measurements above and weTMll verify fitment.\u003c\/p\u003e \u003ch3\u003eKomatsu maintenance notes (quick guide)\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003eEarly-life greasing:\u003c\/strong\u003e For excavators, Komatsu guidance calls for greasing work equipment pins every 10 hours for the first 50 hours, and greasing again after water work.\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eClearance control:\u003c\/strong\u003e Komatsu linkage manuals commonly specify pinbushing clearance targets and a typical service limit around 1.0 mm for many joints, often managed with shims.\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eTracked machines:\u003c\/strong\u003e For undercarriage track joints, pin\/bushing turning is condition- and wear-window dependent; abrasive sites can accelerate wear substantially.\u003c\/li\u003e \u003c\/ul\u003e","brand":"WQC","offers":[{"title":"Default Title","offer_id":42590875123808,"sku":"KM-17A-50-12391","price":453.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/17A-50-12391_Komatsu-parts-online_865ec1e4-cfa4-4cba-97cf-5fbc654933d1.png?v=1771619731","url":"https:\/\/wqcparts.com\/es-mx\/products\/komatsu-17a-50-12391-pin-km-17a-50-12391","provider":"WQC PARTS","version":"1.0","type":"link"}