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Komatsu 600-863-4510 Starter
Regular price $958.39 USDRegular price$1,197.99 USDSale price $958.39 USDSale -
Komatsu 600-821-7240 Alternator
Regular price $1,013.99 USDRegular price$1,267.49 USDSale price $1,013.99 USDSale -
Komatsu 600-813-6210 Starter
Regular price $1,349.49 USDRegular priceSale price $1,349.49 USD -
Komatsu 419-44-12510 Piston
Regular price $182.99 USDRegular priceSale price $182.99 USD -
Komatsu 417-43-17120 Piston
Regular price $344.99 USDRegular priceSale price $344.99 USD -
Komatsu 113-43-23420 Knob
Regular price $17.99 USDRegular priceSale price $17.99 USD -
Komatsu 04121-21750 V-Belt
Regular price $57.16 USDRegular priceSale price $57.16 USD -
Komatsu 6736-39-3400 Crankpin Metal 0.75 0.25
Regular price $25.59 USDRegular price$31.99 USDSale price $25.59 USDSale -
Komatsu 6204-28-8100 Set Main Metal 050
Regular price $77.99 USDRegular priceSale price $77.99 USD -
Komatsu 6736-38-3400 Crankpin Metal 0.75 0.50
Regular price $10.19 USDRegular priceSale price $10.19 USD -
Komatsu 6204-31-2202 Piston Ring Set
Regular price $57.49 USDRegular priceSale price $57.49 USD -
Komatsu 6204-29-8100 Set Main Metal 025
Regular price $77.99 USDRegular priceSale price $77.99 USD -
Komatsu 1261672H1 Gasket, Flan
Regular price $2.99 USDRegular priceSale price $2.99 USD -
Komatsu 1240576H1 Gasket,T
Regular price $6.49 USDRegular priceSale price $6.49 USD -
Komatsu 20Y-979-3110 Air Compressor
Regular price $1,433.99 USDRegular priceSale price $1,433.99 USD -
Komatsu 1294351H1 Oil Gasket
Regular price $29.99 USDRegular priceSale price $29.99 USD -
Komatsu 1241286H1 Gasket
Regular price $7.99 USDRegular priceSale price $7.99 USD -
Komatsu 1240783H3 Gasket
Regular price $93.99 USDRegular priceSale price $93.99 USD -
Komatsu 1240377H1 Tappet
Regular price $20.99 USDRegular priceSale price $20.99 USD -
Komatsu 1240201H1 Gasket
Regular price $7.99 USDRegular priceSale price $7.99 USD
Collection: Komatsu WA120 Parts
Komatsu WA120 Parts from WQC Parts is organized to help buyers find aftermarket Komatsu replacement parts by machine model, part number, and application. Use this collection to review related parts, then confirm final fitment by checking the Komatsu part number, machine model, serial range, and component arrangement before ordering.
Komatsu WA120 Parts Applications
Parts in this collection may support heavy equipment repair, maintenance, and uptime across construction, mining, quarry, road-building, utility, forestry, and fleet applications. Fitment can vary by serial range, installed arrangement, hydraulic configuration, engine arrangement, or attachment package.
How to Confirm Fitment
- Search by the original Komatsu part number when available.
- Compare dashed and non-dashed part-number formats.
- Confirm model, serial number, diagram position, and quantity.
- Contact WQC Parts with the part number, model, serial number, and photos when fitment is uncertain.
Why Choose WQC Parts?
WQC Parts focuses on WQ Certified aftermarket Komatsu parts, organized product data, and practical support for keeping heavy equipment working.