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Komatsu CU3964141 Tube
Regular price $38.95 USDRegular priceSale price $38.95 USD -
Komatsu CU3902253 Valve Intake With Cotter
Regular price $9.94 USDRegular priceSale price $9.94 USD -
Komatsu CU116389 Washer
Regular price $31.53 USDRegular priceSale price $31.53 USD -
Komatsu CA0148942 Washer, Thrust
Regular price $63.75 USDRegular priceSale price $63.75 USD -
Komatsu CA0146945 Washer
Regular price $60.76 USDRegular priceSale price $60.76 USD -
Komatsu CA0139791 Valve
Regular price $46.29 USDRegular priceSale price $46.29 USD -
Komatsu CA0139657 Washer
Regular price $13.29 USDRegular priceSale price $13.29 USD -
Komatsu CA0140024 Washer
Regular price $8.65 USDRegular priceSale price $8.65 USD -
Komatsu CA0140023 Washer
Regular price $6.13 USDRegular priceSale price $6.13 USD -
Komatsu CA0138982 Washer, Thrust
Regular price $43.22 USDRegular priceSale price $43.22 USD -
Komatsu CA0138791 Valve
Regular price $40.59 USDRegular priceSale price $40.59 USD -
Komatsu CA0139103 Washer
Regular price $17.59 USDRegular priceSale price $17.59 USD -
Komatsu CA0138986 Washer, Thrust
Regular price $19.34 USDRegular priceSale price $19.34 USD -
Komatsu CA0139011 Washer, Thrust
Regular price $36.79 USDRegular priceSale price $36.79 USD -
Komatsu CA0129924 Washer
Regular price $19.00 USDRegular priceSale price $19.00 USD -
Komatsu CA0128631 Belleville Washer
Regular price $5.36 USDRegular priceSale price $5.36 USD -
Komatsu CA0125829 Washer
Regular price $4.05 USDRegular priceSale price $4.05 USD -
Komatsu CA0125830 Washer
Regular price $2.85 USDRegular priceSale price $2.85 USD -
Komatsu CA0134539 Washer
Regular price $84.13 USDRegular priceSale price $84.13 USD -
Komatsu CA0135366 Washer, Thrust
Regular price $6.79 USDRegular priceSale price $6.79 USD
Collection: Komatsu Parts
Komatsu Parts from WQC Parts are organized to help buyers identify reliable aftermarket replacement parts by part number, equipment family, system, and application. This collection focuses on replacement parts, service components, hardware, wear parts, and related assemblies used to support repair, maintenance, and uptime across heavy equipment applications.
Heavy equipment parts should be selected carefully because the same general description can apply to multiple machines, serial ranges, component groups, or diagram positions. Use this collection as a focused product group, then confirm the exact part number and machine details before ordering.
Komatsu Replacement Parts Applications
Products in this collection may support construction, mining, quarry, forestry, utility, road-building, and fleet maintenance applications. Depending on the machine and component group, fitment may depend on model series, serial range, installed arrangement, hydraulic configuration, engine arrangement, attachment package, or work-equipment setup.
How to Confirm Fitment
- Search by the original part number when available.
- Confirm the machine model, serial range, and component location.
- Check diagram position, quantity, and arrangement notes where parts-book information is available.
- Compare dashed and non-dashed part-number formats when searching.
- Contact WQC Parts with the part number, model, serial number, and photos when fitment is uncertain.
Why Quality Matters
Incorrect or low-quality replacement parts can lead to premature wear, leaks, downtime, poor fitment, repeat repairs, and damage to related components. Properly matched aftermarket parts help protect machine uptime and reduce avoidable repair cost.
Why Buy from WQC Parts?
- Aftermarket heavy equipment parts organized by part number, system, and machine family.
- Support for alternate part numbers and practical fitment review.
- Clear collection structure for faster product discovery.
- Reliable sourcing focused on keeping equipment working.