{"product_id":"hitachi-4259256-bushing-hitachi-excavator-parts-km-4259256","title":"Hitachi 4259256 Bushing | Hitachi Excavator Parts","description":"\u003cdiv\u003e \u003cp\u003eThe 4259256 bushing is a high-quality replacement part manufactured by Hitachi. Designed to meet the exact specifications of your machinery, this bushing ensures optimal performance and durability.\u003c\/p\u003e \u003cp\u003eMade from premium materials, this bushing guarantees long-lasting functionality and resistance against wear and tear. Its precise construction allows for smooth and efficient operation, reducing friction and preventing unnecessary strain on your equipment.\u003c\/p\u003e \u003cp\u003eCompatible with a wide range of Hitachi machinery models, the 4259256 bushing is a versatile component that can be used in various applications. Whether you need to replace a worn-out bushing or want to have a spare part for emergencies, this product is a reliable choice.\u003c\/p\u003e \u003cp\u003eInstallation of the 4259256 bushing is straightforward and hassle-free, ensuring minimal downtime for your operations. Its compatibility with Hitachi parts guarantees a perfect fit, eliminating the need for modifications or additional adjustments.\u003c\/p\u003e \u003cp\u003eTrust in the quality and performance of Hitachi parts to keep your machinery running smoothly. The 4259256 bushing is no exception, providing exceptional reliability and longevity. Invest in this top-notch replacement part today and experience improved efficiency and reduced maintenance costs.\u003c\/p\u003e \u003c\/div\u003e \u003chr\u003e \u003ch2\u003eHitachi 4259256 Bushing Specifications \u0026amp; Fitment\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eWhat it is:\u003c\/strong\u003e Heavy-equipment bushing 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 4259256\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eSKU:\u003c\/strong\u003e KM-4259256\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":42730511958112,"sku":"HIT-4259256","price":385.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/4259256_komatsu-parts-online_76ca7d18-6b32-4ad2-9ec9-924d0fe5be4d.png?v=1779903634","url":"https:\/\/wqcparts.com\/products\/hitachi-4259256-bushing-hitachi-excavator-parts-km-4259256","provider":"WQC PARTS","version":"1.0","type":"link"}