{"product_id":"hitachi-4258784-bushing-hitachi-excavator-parts-km-4258784","title":"Hitachi 4258784 Bushing | Hitachi Excavator Parts","description":"\u003cdiv\u003e \u003cp\u003eIntroducing the 4258784 bushing from Hitachi parts, a reliable and durable component designed to enhance the performance and longevity of various machinery. This high-quality bushing is an essential part of many industrial applications, providing stability, support, and reduced friction.\u003c\/p\u003e \u003cp\u003eThe 4258784 bushing is meticulously engineered to fit seamlessly into Hitachi equipment, ensuring optimal functionality and compatibility. Its precise design and construction guarantee a secure fit, minimizing the risk of wear and tear, and improving the overall efficiency of your machinery.\u003c\/p\u003e \u003cp\u003eManufactured using top-grade materials and advanced production techniques, this bushing boasts exceptional strength and resilience. It is built to withstand the harshest operating conditions, including heavy loads, vibrations, and extreme temperatures, without compromising its performance.\u003c\/p\u003e \u003cp\u003eWith a focus on longevity, the 4258784 bushing is designed to resist corrosion, rust, and other forms of deterioration, ensuring a prolonged service life and reduced maintenance requirements. Its robust construction guarantees reliable operation, reducing downtime and maximizing productivity.\u003c\/p\u003e \u003cp\u003eInstallation of the 4258784 bushing is straightforward, thanks to its precise dimensions and compatibility with Hitachi equipment. It is an ideal replacement part for worn-out or damaged bushings, restoring your machinery's performance and extending its lifespan.\u003c\/p\u003e \u003cp\u003eTrust Hitachi parts to deliver exceptional quality and reliability with the 4258784 bushing. Upgrade your machinery today and experience improved performance, reduced downtime, and enhanced efficiency.\u003c\/p\u003e \u003c\/div\u003e \u003chr\u003e \u003ch2\u003eHitachi 4258784 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 4258784\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eSKU:\u003c\/strong\u003e KM-4258784\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":42730511859808,"sku":"HIT-4258784","price":718.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/4258784_komatsu-parts-online_1b9e33db-b1af-4ba6-a1b6-b7b203029da1.png?v=1779903626","url":"https:\/\/wqcparts.com\/products\/hitachi-4258784-bushing-hitachi-excavator-parts-km-4258784","provider":"WQC PARTS","version":"1.0","type":"link"}