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Komatsu 6221-51-8391 Hose
Regular price $31.10 USDRegular priceSale price $31.10 USD -
Komatsu 1242039H91 Kit, Lube Oil Pump
Regular price $288.19 USDRegular priceSale price $288.19 USD -
Komatsu CA0137958 Steering Cylinder
Regular price $3,182.88 USDRegular priceSale price $3,182.88 USD -
Komatsu 141-03-33220 Oil Cooler
Regular price $84.62 USDRegular priceSale price $84.62 USD -
Komatsu 111-63-22230 Cylinder Head U-Packing
Regular price $30.54 USDRegular price$38.18 USDSale price $30.54 USDSale -
Komatsu 6162-43-4210 Exhaust Valve
Regular price $57.04 USDRegular priceSale price $57.04 USD -
Komatsu 707-99-56190 Lift Cylinder Service Kit
Regular price $381.69 USDRegular price$477.11 USDSale price $381.69 USDSale -
Komatsu 6128-K6-2200 Gasket Kit, Water Pump
Regular price $181.62 USDRegular price$227.03 USDSale price $181.62 USDSale -
Komatsu 20Y-03-21290 Hose
Regular price $65.83 USDRegular priceSale price $65.83 USD -
Komatsu 1295445H1 Kit, Lubrication Oil Pump
Regular price $288.19 USDRegular priceSale price $288.19 USD -
Komatsu 20E-23-K1810 Cylinder, Steering
Regular price $1,644.15 USDRegular priceSale price $1,644.15 USD -
Komatsu 6127-61-2104 Oil Cooler Assy
Regular price $1,292.49 USDRegular priceSale price $1,292.49 USD -
Komatsu 6742-01-1500 Liner Cylinder
Regular price $144.39 USDRegular price$180.49 USDSale price $144.39 USDSale -
Komatsu 6164-41-4210 Exhaust Valve
Regular price $57.04 USDRegular priceSale price $57.04 USD -
Komatsu 707-98-36440 Blade Lift Cylinder Service Kit
Regular price $217.40 USDRegular price$271.75 USDSale price $217.40 USDSale -
Komatsu 6128-K6-2201 Gasket Kit, Water Pump
Regular price $181.62 USDRegular price$227.03 USDSale price $181.62 USDSale -
Komatsu 566-61-43250 Hose
Regular price $183.74 USDRegular priceSale price $183.74 USD -
Komatsu 6742-01-2590 Lube Oil Pump Kit
Regular price $288.19 USDRegular priceSale price $288.19 USD -
Komatsu 426-32-25502 Spring Cylinder
Regular price $1,543.74 USDRegular priceSale price $1,543.74 USD -
Komatsu 561-03-63101 Oil Cooler
Regular price $25,773.99 USDRegular priceSale price $25,773.99 USD
Collection: Komatsu Hydraulic Parts
Komatsu Hydraulic Parts from WQC Parts are organized to help buyers identify reliable aftermarket replacement parts by part number, equipment family, system, and application. This collection focuses on hydraulic cylinders, hoses, valves, motors, accumulators, swivels, and related components used to maintain hydraulic pressure, movement, control, and system reliability.
Heavy equipment parts should be selected carefully because the same general description can apply to multiple machines, serial ranges, component groups, or diagram positions. Use this collection as a focused product group, then confirm the exact part number and machine details before ordering.
Komatsu Hydraulic Parts Applications
Products in this collection may support construction, mining, quarry, forestry, utility, road-building, and fleet maintenance applications. Depending on the machine and component group, fitment may depend on model series, serial range, installed arrangement, hydraulic configuration, engine arrangement, attachment package, or work-equipment setup.
How to Confirm Fitment
- Search by the original part number when available.
- Confirm the machine model, serial range, and component location.
- Check diagram position, quantity, and arrangement notes where parts-book information is available.
- Compare dashed and non-dashed part-number formats when searching.
- Contact WQC Parts with the part number, model, serial number, and photos when fitment is uncertain.
Why Quality Matters
Incorrect or low-quality replacement parts can lead to premature wear, leaks, downtime, poor fitment, repeat repairs, and damage to related components. Properly matched aftermarket parts help protect machine uptime and reduce avoidable repair cost.
Why Buy from WQC Parts?
- Aftermarket heavy equipment parts organized by part number, system, and machine family.
- Support for alternate part numbers and practical fitment review.
- Clear collection structure for faster product discovery.
- Reliable sourcing focused on keeping equipment working.