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Komatsu 21Y-70-14780 Spacer, 20Mm
Regular price $12.14 USDRegular priceSale price $12.14 USD -
Komatsu 20Y-70-31430 Spacer, 10Mm
Regular price $18.30 USDRegular priceSale price $18.30 USD -
Komatsu 20Y-43-12115 Spring Assembly
Regular price $137.07 USDRegular priceSale price $137.07 USD -
Komatsu 21Y-70-14820 Spacer, 20Mm
Regular price $12.84 USDRegular priceSale price $12.84 USD -
Komatsu 20Y-70-31381 Spacer
Regular price $12.94 USDRegular priceSale price $12.94 USD -
Komatsu 21D-09-74500 Spring Washer
Regular price $0.46 USDRegular priceSale price $0.46 USD -
Komatsu 21T-06-17110 Switch, Engine Oil Pressure
Regular price $373.39 USDRegular priceSale price $373.39 USD -
Komatsu 21U-70-31310 Spacer
Regular price $10.36 USDRegular priceSale price $10.36 USD -
Komatsu 20Y-70-11370 Spacer - 0059 In Thick
Regular price $13.30 USDRegular priceSale price $13.30 USD -
Komatsu 20Y-70-11320 Spacer, T=08mm
Regular price $9.33 USDRegular priceSale price $9.33 USD -
Komatsu 20Y-70-11390 Spacer - 0031 In Thick
Regular price $10.32 USDRegular priceSale price $10.32 USD -
Komatsu 21D-09-74480 Spring Washer
Regular price $0.45 USDRegular priceSale price $0.45 USD -
Komatsu 21D-09-74130 Spring Washer
Regular price $0.34 USDRegular priceSale price $0.34 USD -
Komatsu 20Y-70-14780 Spacer
Regular price $12.14 USDRegular priceSale price $12.14 USD -
Komatsu 20Y-70-14770 Spacer
Regular price $10.36 USDRegular priceSale price $10.36 USD -
Komatsu 20Y-26-22230 Thrust Washer
Regular price $11.64 USDRegular priceSale price $11.64 USD -
Komatsu 20Y-26-22220 Thrust Washer
Regular price $11.82 USDRegular priceSale price $11.82 USD -
Komatsu 20K-23-31970 Spring
Regular price $5.37 USDRegular priceSale price $5.37 USD -
Komatsu 20Y-06-21710 Switch
Regular price $67.59 USDRegular priceSale price $67.59 USD -
Komatsu 21D-09-74120 Spring Washer
Regular price $0.33 USDRegular priceSale price $0.33 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.