Komatsu 21K-70-72211 Bushing
Warranty: SAME AS OEM WARRANTY
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Product Description
Upgrade your Komatsu equipment with the high-quality 21K-70-72211 bushing assembly. Designed to deliver superior performance and durability, this certified premium Komatsu part is perfect for maintaining the optimal functioning of your machinery.
With its precision-engineered design, the 21K-70-72211 bushing assembly ensures a perfect fit and seamless integration into your Komatsu equipment. It is manufactured using top-grade materials, guaranteeing exceptional strength and longevity.
Whether you need to replace a worn-out bushing or enhance the performance of your machinery, this reliable bushing assembly is the ideal choice. It is compatible with a range of Komatsu models, ensuring versatility and ease of installation.
The 21K-70-72211 bushing assembly is engineered to withstand heavy loads, extreme temperatures, and harsh operating conditions. It provides excellent resistance to wear, corrosion, and impact, ensuring optimal performance even in the most demanding environments.
Trust the certified premium Komatsu 21K-70-72211 bushing assembly to keep your equipment running smoothly and efficiently. Order yours today and experience the difference in performance and reliability!
Komatsu Bushing Specifications & Fitment
What it is: Heavy-equipment bushing designed for tight-tolerance pivot joints where wear control and alignment matter.
- Part number: See title
- SKU: KM-21K-70-72211
- Typical use: Boom/arm/bucket linkages, work equipment pivots, and high-wear joints.
Key measurements to confirm
To ensure correct fit, match the following measurements to your machine’s worn component or OEM spec:
- Inside Diameter (ID): ___
- Outside Diameter (OD): ___
- Overall Length: ___
Quality notes
- Designed for consistent clearance and long service life when installed with proper lubrication.
- Replace pins and bushings as a set when wear is uneven to prevent premature failure.
Installation tip
Measure the bore, pin, and bushing after press-fit. Use proper tooling and lubrication, and re-check end-play after assembly.
Need help confirming dimensions? Send your machine model and the measurements above and we’ll verify fitment.
Komatsu maintenance notes (quick guide)
- Early-life greasing: For excavators, Komatsu guidance calls for greasing work equipment pins every 10 hours for the first 50 hours, and greasing again after water work.
- Clearance control: Komatsu linkage manuals commonly specify pin–bushing clearance targets and a typical service limit around 1.0 mm for many joints, often managed with shims.
- Tracked machines: For undercarriage track joints, pin/bushing turning is condition- and wear-window dependent; abrasive sites can accelerate wear substantially.
WQ Certified™ Komatsu Pivot Standard
Standard: WQ-KOM-BUSH-01
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