{"product_id":"hitachi-4409178-bushing-hitachi-excavator-parts-hit-4409178","title":"Hitachi 4409178 Bushing | Hitachi Excavator Parts","description":"\u003cdiv\u003e \u003cp\u003eThe 4409178 bushing by Hitachi parts is a vital component designed to provide exceptional performance and durability. This high-quality bushing is engineered to withstand rigorous conditions, making it suitable for various applications in industries such as construction, mining, and agriculture.\u003c\/p\u003e \u003cp\u003eCrafted with precision, this bushing ensures optimal functionality and longevity. It is designed to fit seamlessly into compatible Hitachi machinery, guaranteeing a perfect fit and reliable performance. With its robust construction, this bushing offers superior resistance to wear, reducing the need for frequent replacements and minimizing downtime.\u003c\/p\u003e \u003cp\u003eThe 4409178 bushing is manufactured using top-grade materials, ensuring its ability to withstand heavy loads and extreme temperatures. Its exceptional strength and durability make it suitable for demanding tasks, providing peace of mind and reliability in critical operations.\u003c\/p\u003e \u003cp\u003eWhether you are replacing a worn-out bushing or upgrading your equipment, the 4409178 bushing by Hitachi parts is an ideal choice. It is designed to meet the highest industry standards, delivering exceptional performance and reliability. Trust in the quality and expertise of Hitachi parts to enhance the efficiency and productivity of your machinery.\u003c\/p\u003e \u003c\/div\u003e \u003chr\u003e \u003ch2\u003eHitachi 4409178 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 4409178\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eSKU:\u003c\/strong\u003e HIT-4409178\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":42730512416864,"sku":"HIT-4409178","price":108.49,"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\/es\/products\/hitachi-4409178-bushing-hitachi-excavator-parts-hit-4409178","provider":"WQC PARTS","version":"1.0","type":"link"}