Caterpillar Radiators – Browse Replacement Parts

Is your engine overheating? The radiator could be the cause. How can you tell if the radiator is repairable or if you need a new one? Major fluid leaks are a common indicator that a new radiator is your best option. Active is here to help! We can help to provide parts for both your new and older models of Caterpillar.

While using either your light or heavy construction equipment whether it be generators or otherwise, you can be confident that should you need repair, we can help you through that! If your Caterpillar radiator is beyond any repair, Active Radiator has the most popular Caterpillar replacement parts in stock across the U.S. For example, we have the 450560 radiator for your 336E Excavator backhoe trackhoe cooling unit , and we also have the associated oil cooler and charge air cooler so we can meet all your needs!   

Caterpillar Radiators

Caterpillar radiators allow heavy-duty vehicles to run in harsh environmental conditions and long-term service. They are specifically designed to protect Caterpillar engines from overheating and other damages caused by the continual motion of air through engine components. Caterpillar radiators provide supreme performance efficiency, outstanding heat transfer capabilities, and superior durability. This ensures that Caterpillar engine parts remain safe, even when powering over long distances or in intense weather conditions. Caterpillar radiators are ideal for a wide range of construction equipment and on-highway trucks that require reliable operation and long lifespan.

Caterpillar Equipment Radiators are specifically designed to provide superior cooling performance for Caterpillar Heavy Equipment. The top-of-the-line engineering and construction ensures every Caterpillar Equipment Radiator meets Caterpillar’s stringent specifications and provides powerful, reliable cooling results in the toughest conditions. Caterpillar Radiators are designed and manufactured with the highest quality materials, innovative design, and state-of-the art manufacturing processes. 

With their advanced technology and rigorous testing, Caterpillar Radiators provide unbeatable reliability and durability that customers have come to expect from Caterpillar heavy equipment parts. Caterpillar radiators are built with premium materials to achieve best-in-class corrosion resistance as well as a long service life in any operating condition. Whether you’re looking to replace an existing part or purchase a new radiator for your Caterpillar equipment, it’s worth investing in the highest quality for maximum equipment performance.

Active Radiator offers a wide variety of Caterpillar radiators and parts for Caterpillar engines so you can gain peace of mind in your business and projects. Protect your investments and install high quality Caterpillar aftermarket parts today!

Caterpillar Equipment Radiators

Caterpillar equipment radiators are reliable, durable and cost-effective solutions for a wide range of Caterpillar industrial equipment. Our selection of Caterpillar aftermarket equipment radiators utilize All-Metal Single Core Design and are designed with superior materials to provide peak performance in Caterpillar machines that operate in harsh environments. 

Caterpillar equipment radiators can withstand extreme temperatures, as well as corrosion, customer abuse and other external physical impacts to ensure they keep running with little or no maintenance. Additional features like built-in pressure relief valves, variable mounting flanges and double sided core fins guarantee Caterpillar equipment radiators are the best choice for reliable cooling systems inside Caterpillar industrial machines.

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 Bobcat radiator replacement.

Caterpillar 450128 radiator drawing

Caterpillar Equipment Radiator

450128 Radiator

OE NUMBERS

450128ST
11589
GEN105
MN42213287003
MN42200048810P
2486F103
3694471
4321410
2368741
2367766
245960

Caterpillar 450290 radiator drawing

CAT 345 Excavator Radiator

450290 Radiator

OE NUMBERS

BT2302966
2108161
2108164
2302966
3836407
3836408
117539

Caterpillar 450702 radiator drawing

Caterpillar 3412 Genset Radiator

450702 Radiator

OE NUMBERS

450702BT
8N4885
7E4255
7E4264
SCSI7981
SCSI7981SC
4N8995
10R0745
5737675

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Part Number Height Width Depth Filler Neck Product Inlet Outlet Oil Cooler 
45121126.2525.31255LeftRadiatorRightRightNone
45103939.37525.1254.5625NoneRadiatorCenterCenterNone
45004222.375252.25TopRadiatorLeftRightNone
45012624.75252.25TopRadiatorLeftRightNone
45106934.5254.125NoneRadiator  None
45109822.437524.753.75NoneRadiatorRightRightNone
45109919.87524.753.75NoneRadiatorRightLeftNone
45201422.37524.68752.8125RightRadiatorLeft90* RightNone
45041527.524.52.25Top CenterRadiatorLeftRightNA
45153924.937524.54.1875NoneRadiatorLeftRightNone
45159024.937524.54.18752NoneRadiatorRightLeftNone
45167919.937524.54.1875RightRadiatorRightLeftNone
45169128.524.54.1875RightRadiatorRightRightNone
45061320.524.3753.25Center TopRadiatorRight TopLeft BottomNone
45092322.437524.31252.8125RightRadiatorRightLeft 90 Degree Down 
4510402524.31253.75NoneRadiatorRightLeftNone
45197626.37524.31254.125LeftRadiatorRightRightNone
45117044.12524.1255.875NoneRadiator  None
45153527.87523.81254.125LeftRadiatorRightRightBottom
45079734.523.694.125 Radiator   
45046634.523.54.5Top LeftRadiatorLeftLeft BottomNA
45064533.37523.31254.125Top RightRadiatorRightCenterNone
4511724823.18755.875NoneRadiator  None
45078031.6322.835 Radiator   
45093633.522.81255NoneRadiatorRightBottomNone
45111224.062522.81254.125LeftRadiatorCenterLeftBottom Grill Side
45201237.522.81255NoneRadiatorRightCenterNone
45004524.87522.54.1875NoneRadiatorRightRightNone
4502932222.253.0625Top LeftRadiatorTop Offset LeftBottom LEftNone
45159528.7522.254.125NoneRadiatorLeftRightNone
45180622.522.254.125NoneRadiatorLeftRightNone
45136521.62522.18753.6875Left CenterRadiatorCenterRightBottom
45010122222.25TopRadiatorLeftLeftNone
45013522.5223.875TopRadiatorLeftRightNone
45047122.521.8754.125Top LeftRadiatorLeft of CenterLeft 
45127927.87521.8754.125LeftRadiatorRightLeftBottom
45111127.87521.81254.125LeftRadiatorRightLeftBottom
45109222.437521.56254RightRadiatorRightRightNone
45012221.62521.53.5TopRadiatorLeftRight15.375
45084227.62521.254.125LeftRadiatorRightLeftNone
45103744.062520.43753.3125CenterRadiatorLeft CenterLeft CenterNone
45138324.87520.43753.875NoneRadiatorRightLeftNone
4516252520.43753.875RightRadiatorRightLeftNone
45087947.37520.3754.125LeftRadiatorRightRightNone
45026617.187519.93752.75Top CenterRadiatorTop LeftBottom LeftNone
45190128.562519.7953.875RightRadiatorRightLeftNone
45056047.2519.31255.75NoneRadiatorCenter TopCenter BottomNone
45168735.12518.93756LeftRadiatorRightRightNone
4520393618.8755.5CenterRadiatorRightLeftNone
45105836.12518.68756.25CenterRadiator   
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