Komatsu 6631-21-4370 Bushing
Weight: 1.0 lb
Warranty: SAME AS OEM WARRANTY
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Product Description
The 6631-21-4370 bushing is a high-quality replacement part designed specifically for Komatsu machinery. Crafted with precision and durability in mind, this bushing ensures optimal performance and longevity for your equipment.
Engineered to meet or exceed OEM specifications, this bushing guarantees a perfect fit and seamless integration into your Komatsu machine. It is compatible with a wide range of models, making it a versatile choice for various applications.
Constructed from top-grade materials, this bushing offers exceptional strength and resistance to wear. Its robust design allows it to withstand heavy loads, extreme temperatures, and harsh environments, ensuring reliable performance even in the most demanding conditions.
With its precise dimensions and accurate machining, installation of this bushing is quick and hassle-free. It is designed to provide a secure and stable connection, reducing vibration and minimizing the risk of component failure.
Regular maintenance and replacement of worn-out bushings are essential to keep your Komatsu equipment operating at its best. By choosing the 6631-21-4370 bushing, you can be confident in the quality and reliability of your replacement part.
Upgrade your Komatsu machinery with the 6631-21-4370 bushing today and experience enhanced performance, increased productivity, and extended equipment lifespan.
Komatsu 6631-21-4370 Bushing Specifications & Fitment
What it is: Heavy-equipment bushing designed for tight-tolerance pivot joints where wear control and alignment matter.
- Part number: 6631-21-4370
- SKU: KM-6631-21-4370
- 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 machineTMs 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 weTMll 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 pinbushing 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.
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