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

Komatsu FG25ST, FG30HT, Radiator

410142 Radiator

OE NUMBERS

410143
246048
SCSI246048
IR36048
546048
RP3EB04A5111
KO3EB04A5111
3EB04A5111
1010800000
C1010800000
8761212

Komatsu 450185 radiator drawing

Komatsu PC300-8 Radiator

450185 Radiator

OE NUMBERS

2070375120
C0510308010
17710048010
212023
11341
11417848010
2080371110

Komatsu 450278 radiator drawing

Komatsu Dump Truck HM350 Radiator

450278 Radiator

OE NUMBERS

17710731012
56B0321220
11458

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Part Number Height Width Depth Filler Neck Product Inlet Outlet Oil Cooler 
45069654.37516.8014.125 Radiator   
45080546.37518.3754.125 Radiator   
45082446.37518.3754.125 Radiator   
4515563213.54.125RightRadiatorLeft90 Degree RightNone
45179015.7516.81252.375CenterRadiatorLeft90 Degree RightNone
4509083213.54.125RightRadiatorLeft90 degree right sideNone
45021042.87516.754.125NoneRadiatorTop RightBottomNone
45044646.62522.1255Top LeftRadiatorRightBottomNA
45044746.62522.1255Top RightRadiatorLeftBottomNA
45077044.62515.3755NoneRadiatorTopBottomNone
45099538.87534.6254.125CenterRadiatorLeft CenterBottomNone
45110736.62516.81254.125NoneRadiatorTop RightBottom None
45125234.562534.6254.125Left CenterRadiatorRight CenterBottom19 1/2 and 8 9/16
45128550.516.81254.125NoneRadiatorTopBottomNone
4513613734.1254.125Left CenterRadiatorRIghtBottomDual Bottom Tank
4516233734.1254.125Left CenterRadiatorRIghtBottomDual Bottom Tank
45174054.513.81255NoneRadiatorTopBottomNone
45176637.37534.1254.125Left CenterRadiatorRightBottomBottom
45186438.87512.8755NoneRadiatorTopBottomNone
45033634.062521.252.8125NoneRadiatorTop leftBottom & Center rightNone
45021155.2516.754.125NoneRadiatorTop RightBottom CenterNone
45032150.37512.4985NONERadiatorTOP CENTERBOTTOM CENTERNONE
45068548.514.8754.125NoneRadiatorTop LeftBottom CenterNone
4502243917.754.125Top RightRadiatorTop RightBottom LeftNone
45024946.518.54.125TopRadiatorTop RightBottom LeftNone
45026434.518.755Top CenterRadiatorTop RightBottom LeftNone
45026737.375124.125Top CenterRadiatorTop RightBottom LeftNone
45032236.512.54.125Top CenterRadiatorTop RightBottom LeftNone
45033140.520.56253.6875Top CenterRadiatorTop RightBottom LeftNone
45056934.62528.752.625Top LeftRadiatorTop RightBottom LeftNone
4507033829.753.6875Top CenterRadiatorTop RightBottom LeftBottom
45140050.520.3755CenterRadiatorDual TopBottom LeftNone
45162838.529.753.6875Top CenterRadiatorTop RightBottom LeftBottom
45007632.62513.753.688TopRadiatorTop LeftBottom RightNone
45019727.68811.53.688Top centerRadiatorTop RightBottom RightNone
45027835.12520.3754.125NoneRadiatorTop RightBottom RightNone
45030538.375154.5Top RightRadiatorTop LeftBottom RightNone
45033534.062521.252.8125NoneRadiatorTop Right & Rear LeftBottom RightNone
45035829.58.06254.125Top CenterRadiatorTOP CENTERBottom RightNone
45035929.37512.53.75Top CenterRadiatorTop RightBottom RightNone
45039130.12527.254.125Top LeftRadiatorTop LeftBottom RightBottom
45047034.62535.1254.25Top RightRadiatorTop RightBottom RightBottom
45058532.562532.252.25Top CenterRadiatorTop RightBottom RightNone
45060641.532.18753.25CenterRadiatorTop LeftBottom RightNone
4506803412.54.125Top CenterRadiatorTop CenterBottom RightNone
45069034.625315TOP RIGHTRadiatorTOP RIGHTBOTTOM RIGHTBOTTOM
45101334.562534.6254.125Left CenterRadiatorRight CenterBottom RightBottom
45141237.2534.1254.125Left CenterRadiatorRightBottom RightBottom
45170438.62516.81255CenterRadiatorRightDualNone
45139950.520.3755CenterRadiatorTop RightDual BottomNone
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