-
Komatsu 6221-21-2211 Liner
Regular price $202.77 USDRegular priceSale price $202.77 USD -
Komatsu 6222-23-2210 Liner
Regular price $202.77 USDRegular priceSale price $202.77 USD -
Komatsu 6222-21-2211 Liner
Regular price $202.77 USDRegular priceSale price $202.77 USD -
Komatsu 6115-21-2210 Liner
Regular price $209.59 USDRegular priceSale price $209.59 USD -
Komatsu 6142-21-2210 Cylinder Liner
Regular price $131.63 USDRegular priceSale price $131.63 USD -
Komatsu 6742-01-2860 Liner Cylinder
Regular price $196.49 USDRegular priceSale price $196.49 USD -
Komatsu 6162-25-2210 Liner Cylinder
Regular price $315.99 USDRegular priceSale price $315.99 USD -
Komatsu 6207-21-2121 Liner Cylinder
Regular price $166.99 USDRegular priceSale price $166.99 USD -
Komatsu 6240-21-2220 Liner Cylinder
Regular price $398.99 USDRegular priceSale price $398.99 USD -
Komatsu 6610-21-2212 Cylinder Liner
Regular price $132.99 USDRegular priceSale price $132.99 USD -
Komatsu 6138-21-2220 Liner Cylinder
Regular price $201.49 USDRegular priceSale price $201.49 USD -
Komatsu 6114-21-2211 Cylinder Liner
Regular price $251.99 USDRegular priceSale price $251.99 USD -
Komatsu 6211-22-2210 Cylinder Liner
Regular price $210.99 USDRegular priceSale price $210.99 USD -
Komatsu 6711-31-211Lknt8 Liner Kit
Regular price $347.99 USDRegular priceSale price $347.99 USD -
Komatsu 6207-21-2120 Liner
Regular price $177.49 USDRegular priceSale price $177.49 USD -
Komatsu 6151-21-2220 Liner
Regular price $227.49 USDRegular priceSale price $227.49 USD -
Komatsu 6150-21-2220 Liner
Regular price $227.49 USDRegular priceSale price $227.49 USD -
Komatsu 6150-21-2212 Liner
Regular price $227.49 USDRegular priceSale price $227.49 USD -
Komatsu 6150-21-2210 Liner
Regular price $227.49 USDRegular priceSale price $227.49 USD -
Komatsu 6128-21-A222 Cylinder Liner
Regular price $395.49 USDRegular priceSale price $395.49 USD
Collection: KOMATSU LINERS
KOMATSU LINERS
Komatsu diesel engines are built for durability, high torque output, and long operating cycles in construction and mining environments. Engine components must maintain precise tolerances, proper lubrication control, and stable combustion conditions to support reliable performance under load.
WQParts supplies high-quality aftermarket komatsu liners engineered for heavy-duty applications where uptime, durability, and fitment accuracy are critical. Our engine components are selected to support dependable operation across mid-size construction fleets and large production equipment.
Why Engine Component Quality Matters
Engine systems operate under extreme heat, pressure, and mechanical stress. Inferior components can lead to oil consumption, compression loss, overheating, or premature internal wear. Properly manufactured replacement parts help restore performance and extend service life.
- Maintains compression and combustion efficiency
- Supports proper lubrication and cooling
- Reduces internal friction and wear
- Protects crankshaft, camshaft, and valvetrain components
- Helps prevent costly engine overhauls
Designed for Severe-Duty Operation
Komatsu engines frequently operate in dusty, high-load, and high-temperature conditions. Aftermarket engine parts must be dimensionally accurate and manufactured from materials suitable for sustained duty cycles. WQParts focuses on components selected for reliability in real-world operating environments.
Common Signs of Engine Component Wear
- Loss of power under load
- Excessive oil consumption
- Hard starting or rough idle
- Increased exhaust smoke
- Unusual knocking or vibration
Why Choose WQParts?
WQParts supports contractors, fleet managers, and rebuild shops with aftermarket Komatsu engine components designed for dependable performance.
- Aftermarket parts selected for heavy equipment applications
- Fitment assistance to help confirm compatibility
- Competitive pricing for maintenance and rebuild programs
- Fast fulfillment to reduce downtime
Browse our selection of komatsu liners below or contact WQParts for assistance identifying the correct replacement for your Komatsu machine.