{"product_id":"komatsu-790-345-1690-cotter-pin-km-790-345-1690","title":"Komatsu 790-345-1690 Cotter Pin","description":"Alternate Part #7903451690\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003e \u003cp\u003eIntroducing the 790-345-1690 cotter pin by Komatsu parts. This high-quality cotter pin is designed to provide secure fastening and prevent rotation or loosening of various components in your machinery. It is a vital component for maintaining the overall integrity and functionality of your equipment.\u003c\/p\u003e \u003cp\u003eCrafted with precision, this cotter pin is built to withstand demanding conditions and ensure long-lasting performance. Its durable construction guarantees resistance to wear, corrosion, and other environmental factors, making it suitable for use in a wide range of applications.\u003c\/p\u003e \u003cp\u003eThe 790-345-1690 cotter pin is meticulously designed to fit seamlessly into your Komatsu machinery. Its precise dimensions and impeccable compatibility ensure a hassle-free installation process, saving you time and effort. This cotter pin is engineered to meet the highest industry standards, ensuring optimal performance and reliability.\u003c\/p\u003e \u003cp\u003eWith its exceptional design and superior functionality, the 790-345-1690 cotter pin is an essential component for any Komatsu equipment owner or operator. Whether you are working in construction, mining, or any other heavy-duty industry, this cotter pin will help you maintain the efficiency and safety of your machinery.\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-790-345-1690\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":42589898866784,"sku":"KM-790-345-1690","price":0.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/komatsu-parts-worldwide_3a7e8f48-44f5-40a1-ae9a-d85ccef4c42e.png?v=1771610569","url":"https:\/\/wqcparts.com\/products\/komatsu-790-345-1690-cotter-pin-km-790-345-1690","provider":"WQC PARTS","version":"1.0","type":"link"}