{"product_id":"komatsu-6138-31-2240-piston-ring-assembly-km-6138-31-2240","title":"Komatsu 6138-31-2240 Piston Ring Assembly","description":"Alternate Part #6138312240\u003cbr\u003e\u003cbr\u003e\u003cp\u003eProduct description:\u003c\/p\u003e \u003cp\u003eThe Komatsu 6138-31-2240 Piston Ring Assembly-quality aftermarket part designed specifically for Komatsu machinery. Engineered to deliver exceptional performance and durability, this piston ensures smooth operation and optimal engine efficiency.\u003c\/p\u003e \u003cp\u003eWith its precision engineering and high-quality construction, the 6138-31-2240 piston guarantees a perfect fit and seamless integration into your Komatsu equipment. It is meticulously crafted to meet or exceed the original manufacturer's specifications, ensuring reliable and long-lasting performance.\u003c\/p\u003e \u003cp\u003eFeaturing advanced technology and superior materials, this piston provides excellent combustion efficiency, reducing fuel consumption and emissions. Its robust design enhances engine power and overall productivity, making it an ideal choice for demanding applications.\u003c\/p\u003e \u003cp\u003eDesigned for easy installation and maintenance, the Komatsu 6138-31-2240 piston offers hassle-free replacement, minimizing downtime and maximizing equipment availability. Its compatibility with various Komatsu models makes it a versatile option for a wide range of applications.\u003c\/p\u003e \u003cp\u003eAs a leading provider of Komatsu parts, we are committed to delivering top-notch aftermarket products that excel in quality and performance. The 6138-31-2240 piston is no exception, offering exceptional value for your investment.\u003c\/p\u003e \u003cp\u003eWhether you are in the construction, mining, or forestry industry, choosing the Komatsu 6138-31-2240 piston ensures optimal performance, reliability, and longevity for your Komatsu machinery.\u003c\/p\u003e \u003cp\u003eKey features:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHigh-quality aftermarket part specifically designed for Komatsu machinery\u003c\/li\u003e \u003cli\u003ePrecision engineering for a perfect fit and seamless integration\u003c\/li\u003e \u003cli\u003eSuperior materials and advanced technology for excellent combustion efficiency\u003c\/li\u003e \u003cli\u003eRobust design enhances engine power and overall productivity\u003c\/li\u003e \u003cli\u003eEasy installation and maintenance for reduced downtime\u003c\/li\u003e \u003cli\u003eCompatible with various Komatsu models for versatile applications\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eInvest in the Komatsu 6138-31-2240 piston to ensure superior performance and reliability for your Komatsu equipment. Upgrade your machinery with this high-quality aftermarket part and experience the difference!\u003c\/p\u003e \u003chr\u003e \u003ch2\u003eKomatsu 6138-31-2240 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 6138-31-2240\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eSKU:\u003c\/strong\u003e KM-6138-31-2240\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":42591548964960,"sku":"KM-6138-31-2240","price":68.2,"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-6138-31-2240-piston-ring-assembly-km-6138-31-2240","provider":"WQC PARTS","version":"1.0","type":"link"}