RADIATORS FOR KOMATSU EQUIPMENT
RADIATORS FOR KOMATSU EQUIPMENT
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RADIATORS FOR KOMATSU EQUIPMENT
26 products
Radiators for Komatsu Equipment
Restore proper cooling to your Komatsu excavator, wheel loader, bulldozer, or compact equipment with a direct-fit replacement radiator from Quality Farm Supply. We stock OEM-spec radiators engineered to match original cooling capacity — minimizing downtime and keeping your Komatsu machine productive on the job site.
Why Replace Your Komatsu Radiator?
Komatsu equipment is designed for heavy-duty, continuous operation in demanding environments. That constant workload puts significant stress on the cooling system. A cracked core, leaking end tank, or clogged radiator can cause overheating that leads to engine damage, hydraulic system stress, and costly unplanned repairs. A quality replacement radiator is the most reliable, cost-effective solution.
Compatible Komatsu Models Include:
- Komatsu PC Series Excavators (PC20, PC30, PC35, PC40, PC45, PC50, PC55, PC60, PC75, PC78, PC88, PC100, PC120, PC130, PC138, PC160, PC180, PC200, PC210, PC220, PC240, PC270, PC290, PC300, PC350)
- Komatsu WA Series Wheel Loaders (WA100, WA150, WA180, WA200, WA250, WA270, WA320, WA380, WA430, WA470, WA500)
- Komatsu D Series Bulldozers (D20, D21, D31, D37, D39, D41, D51, D61, D65, D85, D155)
- Komatsu SK Series Skid Steer Loaders and compact equipment
Reference your OEM part number or Komatsu serial number for an exact match. Not sure what fits? Contact our team and we'll help you find the right radiator for your Komatsu machine.
AP Air
Komatsu Radiator for Komatsu 21U-03-3102
SKU:QFS-IR32061
Komatsu Radiator for Komatsu 21U-03-3102
Komatsu Radiator for Komatsu replaces OEM numbers 21U-03-31111, 21U-03-3102. Fits PC30MR-1 Mini Excavator. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Excavator: PC30MR-1 - Replaces OEM Numbers 21U-03-3102, 21U-03-31111
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 423-03-31212
SKU:QFS-IR32017
Radiator for Komatsu 423-03-31212
Radiator for Komatsu replaces OEM number 423-03-31212. Fits WA380-5 Wheel Loader. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Wheel Loader: WA380-5 - Replaces OEM Number 423-03-31212
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 423-03-21111
SKU:QFS-IR32018
Radiator for Komatsu 423-03-21111
Radiator for Komatsu replaces OEM number 423-03-21111. Fits WA350-3A, WA350-3-X, WA380-DZ-3, WA380-3 Komatsu Wheel Loaders. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Wheel Loader: WA350-3A, WA380-3, WA380-DZ-3 - Replaces OEM Number 423-03-21111
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 421-03-31551
SKU:QFS-IR32016
Radiator for Komatsu 421-03-31551
Radiator for Komatsu replaces OEM number 421-03-31551. Fits WA430, WA430-5, WA450-5L, WA470-5, WA480-5 Komatsu Wheel Loaders. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Wheel Loader: WA430-5, WA450-5L, WA470-5, WA480-5 - Replaces OEM Number 421-03-31551
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Komatsu Excavator Radiator for Komatsu 418-03-31113
SKU:QFS-IR32066
Komatsu Excavator Radiator for Komatsu 418-03-31113
Komatsu Excavator Radiator for Komatsu replaces OEM numbers 418-03-31113, 418-03-31106, 418-03-31107. Fits WA250 Wheel Loader. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Wheel Loader: WA200L-5, WA200PT-5L, WA200PTL-5, WA250-5L, WA250PT-5, WA250PT-5L, WA250PTL-5 - Replaces OEM Number 418-03-31113
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 417-03-21211
SKU:QFS-IR32050
Radiator for Komatsu 417-03-21211
Radiator for Komatsu replaces OEM number 417-03-21211. Fits WA150-3 Komatsu Wheel Loader. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Wheel Loader: WA150-3 - Replaces OEM Number 417-03-21211
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 416-03-21140
SKU:QFS-IR32051
Radiator for Komatsu 416-03-21140
Radiator for Komatsu replaces OEM number 416-03-21140. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Wheel Loader: WA100-3 - Replaces OEM Number 416-03-21140
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 22U-03-21111
SKU:QFS-IR32026
Radiator for Komatsu 22U-03-21111
Radiator for Komatsu replaces OEM number 22U-03-21111. Fits PC228US-3 Komatsu Excavator. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Excavator: PC228US-3, PC228USLC-3 - Replaces OEM Number 22U-03-21111
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 22B-03-12112
SKU:QFS-IR32032
Radiator for Komatsu 22B-03-12112
Radiator for Komatsu replaces OEM number 22B-03-12112. Fits PC128US-3 Excavators. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Excavator: PC128US-3 - Replaces OEM Number 22B-03-12112
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 22B-03-11111
SKU:QFS-IR32033
Radiator for Komatsu 22B-03-11111
Radiator for Komatsu replaces OEM number 22B-03-11111. Fits PC128US-2, PC128UU-2 Komatsu Excavators. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Excavator: PC128US-2, PC128UU-2, PC138USLC-2 - Replaces OEM Number 22B-03-11111
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 21W-03-42110
SKU:QFS-IR32049
Radiator for Komatsu 21W-03-42110
Radiator for Komatsu replaces OEM number 21W-03-42110. Fits PC78US-6 Komatsu Excavator. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Excavator: PC78US-6 - Replaces OEM Number 21W-03-42110
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Radiator for Komatsu 21W-03-41000
SKU:QFS-IR32036
Radiator for Komatsu 21W-03-41000
Radiator for Komatsu replaces OEM number 21W-03-41000. Fits PC78MR-6, PC78US-6, PC78UU-6 Komatsu Excavators. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Komatsu Excavator: PC78MR-6, PC78US-6, PC78UU-6 - Replaces OEM Number 21W-03-41000
Please verify the OEM reference number and equipment fitment before ordering.
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