Komatsu parts

Komatsu Replacement Parts for Heavy Equipment

Find replacement parts for Komatsu heavy equipment at Fab Heavy Parts. This collection includes components for selected Komatsu excavators, bulldozers, wheel loaders, and other machinery. Browse parts for engine maintenance, hydraulic repairs, electrical systems, fuel delivery, cooling, undercarriage assemblies, and machine controls.

Whether you're maintaining a working fleet or repairing a specific machine, use the product listings to narrow your search by part number, equipment model, and stated application.

Komatsu Engine and Fuel System Parts

Explore selected engine-related replacement components, including oil pumps, fuel injection pumps, starter motors, water pumps, and other engine parts. The collection includes oil pump 129900-32001 for specified Yanmar and Komatsu engine applications, as well as fuel injection pump 16006-51010 listed for specified Kubota and Komatsu engine applications. These examples have distinct applications, so confirm the engine model and part number on each listing before ordering. 

Hydraulic, Electrical, and Undercarriage Components

For hydraulic and machine-control repairs, the collection includes hydraulic pumps, pilot valves, throttle motors, and other control components. Listed examples include hydraulic pump 705-51-20390 for specified WA200 and WA250 wheel loader applications, and pilot valve 702-16-01180 / 702-16-01181 for selected Komatsu equipment. Other listings include track adjuster recoil assemblies and steer clutch and brake sets for specified dozer models. 

Find Parts for Your Komatsu Model

Komatsu parts vary by machine model, production series, engine configuration, and serial-number range. A component listed for one PC-series excavator, D-series dozer, or WA-series wheel loader should not be assumed to fit another model automatically.

If you cannot find the part you need, request a quote and provide the original part number, machine model, and relevant engine or serial-number details.