Komatsu 140-09-18111 Bolt
Weight: 0.1 lb
Warranty: SAME AS OEM WARRANTY
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Product Description
Komatsu 6553-21-8510 Seal
The Komatsu 6553-21-8510 seal is a high-quality replacement part designed specifically for Komatsu machinery. It is a crucial component that helps to ensure the efficient operation and longevity of your equipment.
This seal is manufactured to meet the highest industry standards, guaranteeing its reliability and durability. It is made from premium materials that are resistant to wear, corrosion, and extreme temperatures, ensuring optimal performance even in the most challenging operating conditions.
With its precise design and perfect fit, the Komatsu 6553-21-8510 seal provides an effective barrier against leaks and contaminants. It helps to maintain the integrity of crucial components, preventing damage and reducing the risk of costly repairs.
Installation of this seal is quick and hassle-free, thanks to its compatible design with Komatsu machinery. It is engineered to seamlessly integrate into the existing system, ensuring a secure and tight seal.
When it comes to replacement parts for your Komatsu equipment, it is crucial to choose only certified premium Komatsu parts. The Komatsu 6553-21-8510 seal is an authentic OEM part, guaranteeing the highest level of compatibility and performance.
Ensure the smooth and reliable operation of your Komatsu machinery by replacing worn-out seals with the Komatsu 6553-21-8510 seal. Trust in its quality and dependability to keep your equipment running at its best.
Komatsu 140-09-18111 Pin Specifications & Fitment
What it is: Heavy-equipment pin designed for tight-tolerance pivot joints where wear control and alignment matter.
- Part number: 140-09-18111
- SKU: KM-140-09-18111
- 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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