Komatsu Radiators – Browse Replacement Parts

Have you noticed your engine is overheating? If you suspect your equipment’s radiator may be malfunctioning, it’s important to have an experienced technician do an inspection and perform any necessary repairs. Our technicians here at Active Radiator have experience repairing a wide range of commercial equipment including the older models of Komatsu forklifts, dozers and more.

Sometimes a repair is not possible and the headaches in todays market where many Komatsu models now have lengthy backorders or are obsolete make for unnecessary stress in daily business operations. Active has a solution! We carry the most popular Komatsu replacement parts in stock at our facilities across the US.  For example, we have the 450264 for your Komatsu D61 Dozer.

Experience the Active advantage today! We’ll help get your equipment back in service quickly with minimal downtime.  Find a location near you to buy a Komatsu radiator replacement.

Komatsu 410142 radiator drawing

410142 Radiator

Komatsu 450185 radiator drawing

450185 Radiator

Komatsu 450278 radiator drawing

450278 Radiator


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Part Number Height Width Depth Filler Neck Product Inlet Outlet Oil Cooler 
45001227.5252.25TopRadiatorRightRightNone
45003134.562529.52.25TopRadiatorRightLeftNone
45004132.562529.52.25TopRadiatorRightLeftNone
45006529.512.54.125TopRadiatorRightRightNone
45006933.512.81254.5TopRadiatorLeftRightNone
45007133.437518.68754.5TopRadiatorLeftRightNone
45007632.62513.753.688TopRadiatorTop LeftBottom RightNone
45009932.562529.52.25TopRadiatorRightLeftNone
45011844.513.3755NoneRadiatorEndEndNone
4501194320.54.125TopRadiatorLeftEndNone
4501204320.54.125TopRadiatorRightEndNone
45016036.7520.3755Top CenterRadiatorUpper RightLower LeftNone
45018237.37511.753.6875Top CenterRadiatorLeftLower RightNone
45018541.516.753.688Top Left CenterRadiatorRightLeftNone
45018827.513.53.6875TopRadiatorRightRightNone
45019140.56316.3753.6875Top centerRadiatorTop RightLeft and RightNone
45019240.56316.3753.6875Top CenterRadiatorLeft and RightLower LeftNone
45019727.68811.53.688Top centerRadiatorTop RightBottom RightNone
45019946.62518.55TopRadiatorLeftRightNone
45020246.62518.54.125TopRadiatorRightLeftNone
45021042.87516.754.125NoneRadiatorTop RightBottomNone
45021155.2516.754.125NoneRadiatorTop RightBottom CenterNone
45022226.87510.754.125TopRadiatorRightRightNone
4502243917.754.125Top RightRadiatorTop RightBottom LeftNone
45024737.37512.4984.125Top CenterRadiatorTop RightTop LeftNone
45024946.518.54.125TopRadiatorTop RightBottom LeftNone
45026434.518.755Top CenterRadiatorTop RightBottom LeftNone
45026737.375124.125Top CenterRadiatorTop RightBottom LeftNone
45027835.12520.3754.125NoneRadiatorTop RightBottom RightNone
45030538.375154.5Top RightRadiatorTop LeftBottom RightNone
45032150.37512.4985NONERadiatorTOP CENTERBOTTOM CENTERNONE
45032236.512.54.125Top CenterRadiatorTop RightBottom LeftNone
45032333.437518.68754.5TopRadiatorLeftRightNone
45032436.7511.754.125TopRadiatorLeftRightNone
45032552.521.93754.125Top LeftRadiatorRightLeftNone
45033140.520.56253.6875Top CenterRadiatorTop RightBottom LeftNone
45033534.062521.252.8125NoneRadiatorTop Right & Rear LeftBottom RightNone
45033634.062521.252.8125NoneRadiatorTop leftBottom & Center rightNone
45035829.58.06254.125Top CenterRadiatorTOP CENTERBottom RightNone
45035929.37512.53.75Top CenterRadiatorTop RightBottom RightNone
45038138.687516.754.5Top RightRadiatorBottom LeftLeftNone
45039130.12527.254.125Top LeftRadiatorTop LeftBottom RightBottom
45040052.516.8753.75NoneRadiator Bottom  
45044646.62522.1255Top LeftRadiatorRightBottomNA
45044746.62522.1255Top RightRadiatorLeftBottomNA
45047034.62535.1254.25Top RightRadiatorTop RightBottom RightBottom
45047536.7511.754.125TopRadiatorRightLeftNone
45049540.56316.3753.6875Top centerRadiatorTop RightLeft and RightNone
45049640.56316.3753.6875Top CenterRadiatorLeft and RightLower LeftNone
45051817.7515.43751.875 RadiatorLeftRightNone
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