{"product_id":"komatsu-dk139722-0400-o-ring-km-dk139722-0400","title":"Komatsu Dk139722-0400 O-Ring","description":"Alternate Part# Dk1397220400\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eProduct Description\u003c\/h2\u003e \u003cp\u003eIntroducing the Komatsu Dk139722-0400 o-ring, a high-quality aftermarket part designed to ensure optimal performance in your Komatsu machinery. This o-ring is specifically engineered to fit seamlessly within various Komatsu models, providing a reliable and efficient sealing solution.\u003c\/p\u003e \u003cp\u003eAt Komatsu, we understand the importance of using certified premium parts to maintain the longevity and efficiency of your machinery. That's why our aftermarket parts are meticulously crafted to meet or exceed the original equipment manufacturer's specifications. The Dk139722-0400 o-ring is no exception, offering exceptional durability and reliability.\u003c\/p\u003e \u003cp\u003eWith its robust construction and precise design, this o-ring effectively seals fluids and gases, preventing leaks and ensuring the smooth operation of your Komatsu equipment. Whether you're working in construction, mining, or any other industry that relies on Komatsu machinery, this o-ring is a vital component for maintaining optimal performance.\u003c\/p\u003e \u003cp\u003eInstallation is a breeze, as the Dk139722-0400 o-ring is designed to fit perfectly into your Komatsu equipment without any modifications. Simply replace your worn-out o-ring with this high-quality aftermarket part, and experience improved efficiency and reduced downtime.\u003c\/p\u003e \u003cp\u003eWhen it comes to aftermarket parts, trust Komatsu to deliver exceptional quality and performance. Our commitment to excellence ensures that each product undergoes rigorous testing to meet the highest industry standards. Rest assured that the Dk139722-0400 o-ring is a reliable choice that will withstand the demanding conditions of your worksite.\u003c\/p\u003e \u003cp\u003eUpgrade your Komatsu machinery with the Dk139722-0400 o-ring and experience enhanced performance and longevity. Invest in this top-notch aftermarket part today to keep your equipment running smoothly and efficiently.\u003c\/p\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-Dk139722-0400\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":42589772120160,"sku":"KM-Dk139722-0400","price":10.88,"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-dk139722-0400-o-ring-km-dk139722-0400","provider":"WQC PARTS","version":"1.0","type":"link"}