{"product_id":"komatsu-17m-71-21391-pin-km-17m-71-21391","title":"Komatsu 17M-71-21391 Pin","description":"Alternate Part# 17M7121391\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003e \u003cp\u003eThe 17M-71-21391 pin is a high-quality replacement part designed for use in Komatsu machinery. It is commonly used in various models and ensures optimal performance and durability.\u003c\/p\u003e \u003cp\u003eThis pin is manufactured with precision and adheres to strict quality standards. It is made from top-grade materials, ensuring its reliability and long-lasting functionality. With its sturdy construction, it can withstand tough operating conditions and deliver exceptional performance.\u003c\/p\u003e \u003cp\u003eThe 17M-71-21391 pin is designed to provide a secure and reliable connection between different components of your Komatsu equipment. It is engineered to fit perfectly and ensure proper alignment, reducing the risk of premature wear and tear.\u003c\/p\u003e \u003cp\u003eWhether you need to replace a worn-out pin or perform routine maintenance, the 17M-71-21391 pin is an excellent choice. It offers a cost-effective solution without compromising on quality or performance. Rest assured, this pin will meet or exceed your expectations.\u003c\/p\u003e \u003cp\u003eTrust in the reliability and durability of Komatsu parts. We strive to provide top-notch replacement parts that can enhance the performance and longevity of your Komatsu machinery. Order the 17M-71-21391 pin today and experience its exceptional quality firsthand.\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-17M-71-21391\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":42590866866272,"sku":"KM-17M-71-21391","price":184.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/komatsu-parts-worldwide.png?v=1769344708","url":"https:\/\/wqcparts.com\/products\/komatsu-17m-71-21391-pin-km-17m-71-21391","provider":"WQC PARTS","version":"1.0","type":"link"}