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Komatsu 600-863-4410 Starter
Regular price $958.39 USDRegular price$1,197.99 USDSale price $958.39 USDSale -
Komatsu 600-861-3410 Alternator
Regular price $620.99 USDRegular priceSale price $620.99 USD -
Komatsu 600-421-6240 Thermostat
Regular price $66.49 USDRegular priceSale price $66.49 USD -
Komatsu 04120-21766 V-Belt
Regular price $40.99 USDRegular priceSale price $40.99 USD -
Komatsu 04120-21751 V-Belt
Regular price $31.49 USDRegular priceSale price $31.49 USD -
Komatsu 04120-21746 V-Belt
Regular price $25.78 USDRegular priceSale price $25.78 USD -
Komatsu 600-861-6420 Alternator
Regular price $727.99 USDRegular priceSale price $727.99 USD -
Komatsu 707-44-95180 Piston Ring
Regular price $63.99 USDRegular price$79.99 USDSale price $63.99 USDSale -
Komatsu 707-44-11280 Piston Ring
Regular price $47.49 USDRegular priceSale price $47.49 USD -
Komatsu 707-44-10280 Piston Ring
Regular price $98.39 USDRegular price$122.99 USDSale price $98.39 USDSale -
Komatsu 6738-38-2111 Piston
Regular price $135.99 USDRegular priceSale price $135.99 USD -
Komatsu 6738-31-2031 Piston Ring
Regular price $58.99 USDRegular priceSale price $58.99 USD -
Komatsu 6271-81-8100 Turbocharger
Regular price $2,091.99 USDRegular priceSale price $2,091.99 USD -
Komatsu 6204-26-8100 Set Main Metal 100
Regular price $85.49 USDRegular priceSale price $85.49 USD -
Komatsu 600-863-3210 Starter
Regular price $1,017.99 USDRegular price$1,272.49 USDSale price $1,017.99 USDSale -
Komatsu 600-861-6410 Alternator
Regular price $542.99 USDRegular priceSale price $542.99 USD -
Komatsu 600-861-2110 Alternator
Regular price $884.39 USDRegular price$1,105.49 USDSale price $884.39 USDSale -
Komatsu 600-821-6120 Alternator
Regular price $884.39 USDRegular price$1,105.49 USDSale price $884.39 USDSale -
Komatsu 04120-21750 V-Belt
Regular price $31.99 USDRegular priceSale price $31.99 USD -
Komatsu 04120-21749 V-Belt
Regular price $19.55 USDRegular priceSale price $19.55 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.