-
Komatsu 203-30-52190 Bushing
Regular price $31.67 USDRegular priceSale price $31.67 USD -
Komatsu 203-30-66330 Dust Seal
Regular price $49.94 USDRegular priceSale price $49.94 USD -
Komatsu 203-06-59321 Switch
Regular price $69.93 USDRegular priceSale price $69.93 USD -
Komatsu 203-70-31241 Bushing
Regular price $79.55 USDRegular priceSale price $79.55 USD -
Komatsu 203-70-24160 20Mm Spacer
Regular price $10.86 USDRegular priceSale price $10.86 USD -
Komatsu 203-70-24150 10Mm Spacer
Regular price $10.36 USDRegular priceSale price $10.36 USD -
Komatsu 203-46-56260 Pin
Regular price $205.49 USDRegular priceSale price $205.49 USD -
Komatsu 203-30-42260 Valve
Regular price $35.25 USDRegular priceSale price $35.25 USD -
Komatsu 6207-21-2121 Liner Cylinder
Regular price $133.59 USDRegular price$166.99 USDSale price $133.59 USDSale -
Komatsu 6207-38-3300 Crankpin Metal 0.75 0.50
Regular price $117.59 USDRegular price$146.99 USDSale price $117.59 USDSale -
Komatsu 6208-39-2100 Piston Ring 0.25
Regular price $67.49 USDRegular priceSale price $67.49 USD -
Komatsu 6204-27-8100 Set Main Metal 075
Regular price $77.99 USDRegular priceSale price $77.99 USD -
Komatsu 6736-36-3400 Crankpin Metal 0.75 1.00
Regular price $10.49 USDRegular priceSale price $10.49 USD -
Komatsu 6207-39-3300 Crankpin Metal 0.75 0.25
Regular price $117.59 USDRegular price$146.99 USDSale price $117.59 USDSale -
Komatsu 6207-37-3300 Crankpin Metal 0.75
Regular price $371.99 USDRegular price$464.99 USDSale price $371.99 USDSale -
Komatsu 6204-21-8100 Set Main Metal Std
Regular price $70.99 USDRegular priceSale price $70.99 USD -
Komatsu 707-44-14180 Piston Ring
Regular price $61.49 USDRegular priceSale price $61.49 USD -
Komatsu 707-44-10180 Piston Ring
Regular price $41.99 USDRegular priceSale price $41.99 USD -
Komatsu 0426-00952 Ball
Regular price $1.49 USDRegular priceSale price $1.49 USD -
Komatsu 6738-39-2111 Piston
Regular price $157.99 USDRegular priceSale price $157.99 USD
Collection: Komatsu PC138US Parts
Komatsu PC138US 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 PC138US 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.