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Komatsu 426-56-21490 Power Window Switch
Regular price $107.96 USDRegular priceSale price $107.96 USD -
Komatsu 425-15-22720 Plate
Regular price $173.66 USDRegular price$217.08 USDSale price $173.66 USDSale -
Komatsu 425-32-22680 Plate
Regular price $153.94 USDRegular price$192.42 USDSale price $153.94 USDSale -
Komatsu 424-15-12720 Plate
Regular price $82.59 USDRegular priceSale price $82.59 USD -
Komatsu 421-06-35111 Pressure Switch
Regular price $991.40 USDRegular priceSale price $991.40 USD -
Komatsu 424-46-12172 Rear Bushing
Regular price $89.77 USDRegular priceSale price $89.77 USD -
Komatsu 423-43-37650 Relief Valve
Regular price $807.27 USDRegular priceSale price $807.27 USD -
Komatsu 423-33-31351 Plate
Regular price $171.97 USDRegular priceSale price $171.97 USD -
Komatsu 421-33-11280 Plate
Regular price $476.94 USDRegular priceSale price $476.94 USD -
Komatsu 423-20-33111 Propeller Shaft
Regular price $2,370.34 USDRegular priceSale price $2,370.34 USD -
Komatsu 423-33-31331 Plate
Regular price $179.38 USDRegular priceSale price $179.38 USD -
Komatsu 423-33-31340 Plate
Regular price $191.11 USDRegular priceSale price $191.11 USD -
Komatsu 419-18-31102 Pump
Regular price $13,590.58 USDRegular priceSale price $13,590.58 USD -
Komatsu 419-18-31103 Pump
Regular price $13,590.58 USDRegular priceSale price $13,590.58 USD -
Komatsu 419-18-31106 Pump
Regular price $13,590.58 USDRegular priceSale price $13,590.58 USD -
Komatsu 419-18-31105 Pump
Regular price $13,590.58 USDRegular priceSale price $13,590.58 USD -
Komatsu 419-15-12310 Plate
Regular price $10.72 USDRegular priceSale price $10.72 USD -
Komatsu 419-18-31104 Pump
Regular price $13,590.58 USDRegular priceSale price $13,590.58 USD -
Komatsu 419-15-12190 Seal - Forward Piston Ring
Regular price $25.00 USDRegular priceSale price $25.00 USD -
Komatsu 3926126 Rear Crank Sleeve Kit
Regular price $73.26 USDRegular price$91.58 USDSale price $73.26 USDSale
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.