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Komatsu 20Y-03-31121 Oil Cooler
Regular price $1,754.99 USDRegular priceSale price $1,754.99 USD -
Komatsu 196-03-13120 Cover Oil Cooler
Regular price $1,017.99 USDRegular priceSale price $1,017.99 USD -
Komatsu 196-03-13130 Cover Oil Cooler
Regular price $1,038.49 USDRegular priceSale price $1,038.49 USD -
Komatsu 208-03-71121 Oil Cooler Assy
Regular price $8,762.49 USDRegular priceSale price $8,762.49 USD -
Komatsu 6127-61-0000 Oil Cooler Kit
Regular price $58.49 USDRegular priceSale price $58.49 USD -
Komatsu 6134-61-2113 Cover Oil Cooler
Regular price $616.99 USDRegular priceSale price $616.99 USD -
Komatsu 6732-62-2110 Cooler
Regular price $248.15 USDRegular priceSale price $248.15 USD -
Komatsu 6735-61-2220 Cover Oil Cooler
Regular price $319.99 USDRegular priceSale price $319.99 USD -
Komatsu 6754-61-2110 Cooler
Regular price $120.99 USDRegular priceSale price $120.99 USD -
Komatsu 6127-61-2104 Oil Cooler Assy
Regular price $1,292.49 USDRegular priceSale price $1,292.49 USD -
Komatsu 1294761H1 Core Cooler
Regular price $263.11 USDRegular priceSale price $263.11 USD -
Komatsu 17M-03-45111 Oil Cooler
Regular price $19,057.99 USDRegular priceSale price $19,057.99 USD -
Komatsu 20G-03-32130 Oil Cooler
Regular price $6,276.49 USDRegular priceSale price $6,276.49 USD -
Komatsu 1294761H2 Core Cooler
Regular price $263.11 USDRegular priceSale price $263.11 USD -
Komatsu 20Y-03-21121 Oil Cooler
Regular price $3,325.49 USDRegular priceSale price $3,325.49 USD -
Komatsu 20Y-03-21610 Oil Cooler A
Regular price $2,728.99 USDRegular priceSale price $2,728.99 USD -
Komatsu 20Y-03-21720 Oil Cooler A
Regular price $2,728.99 USDRegular priceSale price $2,728.99 USD -
Komatsu 20Y-03-K1220 Oil Cooler
Regular price $3,514.99 USDRegular priceSale price $3,514.99 USD -
Komatsu 1240670H1 Core Cooler
Regular price $263.11 USDRegular priceSale price $263.11 USD -
Komatsu 206-03-51121 Oil Cooler
Regular price $3,495.99 USDRegular priceSale price $3,495.99 USD
Collection: KOMATSU COOLERS AND RADIATORS
KOMATSU COOLERS AND RADIATORS
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 coolers and radiators 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 coolers and radiators below or contact WQParts for assistance identifying the correct replacement for your Komatsu machine.