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Komatsu 415-15-15320 Gasket
Regular price $5.49 USDRegular priceSale price $5.49 USD -
Komatsu 6204-11-1440 Valve Seat Ex (Std)
Regular price $15.49 USDRegular priceSale price $15.49 USD -
Komatsu 6736-37-3400 Crankpin Metal 0.75
Regular price $16.99 USDRegular priceSale price $16.99 USD -
Komatsu 6731-61-4141 Tensioner -
Regular price $97.49 USDRegular priceSale price $97.49 USD -
Komatsu 6736-39-1221 Crankshaft Sleeve
Regular price $69.49 USDRegular priceSale price $69.49 USD -
Komatsu 6736-39-1140 Crankshaft Sleeve
Regular price $77.19 USDRegular price$96.49 USDSale price $77.19 USDSale -
Komatsu 6736-29-2110 Liner Cylinder
Regular price $43.99 USDRegular price$54.99 USDSale price $43.99 USDSale -
Komatsu 6736-21-8110 Set Main Metal Std
Regular price $97.35 USDRegular priceSale price $97.35 USD -
Komatsu 6731-71-6550 Gasket C
Regular price $7.99 USDRegular priceSale price $7.99 USD -
Komatsu 6207-71-5130 Pipe Injection No.3
Regular price $39.99 USDRegular priceSale price $39.99 USD -
Komatsu 6207-71-5121 Pipe Injection No.2
Regular price $39.99 USDRegular priceSale price $39.99 USD -
Komatsu 6207-11-3600 Nozzle Holder
Regular price $245.49 USDRegular priceSale price $245.49 USD -
Komatsu 6204-39-2203 Piston Ring 0.25
Regular price $60.49 USDRegular priceSale price $60.49 USD -
Komatsu 6204-39-2202 Piston Ring Assembly, .25Mm O/S
Regular price $65.49 USDRegular priceSale price $65.49 USD -
Komatsu 6204-31-3101 Connecting Rod
Regular price $130.49 USDRegular priceSale price $130.49 USD -
Komatsu 425-07-21180 Compressor Air
Regular price $1,645.49 USDRegular priceSale price $1,645.49 USD -
Komatsu 418-43-27550 Piston
Regular price $180.49 USDRegular priceSale price $180.49 USD -
Komatsu 1295986H1 Gasket
Regular price $16.99 USDRegular priceSale price $16.99 USD -
Komatsu 6736-21-8610 Set Main Metal Std
Regular price $97.35 USDRegular priceSale price $97.35 USD -
Komatsu 06122-01603 Bearing Seal
Regular price $3.47 USDRegular priceSale price $3.47 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.