Peterbilt Radiators – Browse Replacement Parts

Do you need a new Peterbilt radiator, or can it be repaired? How can you tell if the radiator is repairable or if you need a new one? Major coolant leaks are a common indicator that a new radiator is your best option. Active is here to help! We can help to bridge the gap in the current supply chain issues and get you the parts that you need!

The main component of your cooling system is the radiator, it keeps your engine at the optimal operating temperature. This is why it is so important to ensure that it is in working order.  While using your vehicle, you can be confident that should you need repair, we can help you through that! If your radiator is beyond any repair, Active Radiator has the most popular Peterbilt replacement parts in stock across the U.S. If we do not have it we will make it for you! For example, we have the 770009 Radiator for your 2000-2004 Peterbilt 387 side by side.

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 Peterbilt radiator replacement or schedule to bring us your radiator to evaluate for repair.



Part Number Height Width Depth Filler Neck Product Inlet Outlet Oil Cooler 
65001740.530.752NoneRadiatorLeftRightNone
6500184331.31252.25NoneRadiatorLeftRightNone
65003234.062539.56251.5NoneRadiatorLeft CenterBottom RightNone
77000133.527.43752.25NoneRadiatorLeftLeftNone
77000235292.25NoneRadiatorLeftRightNone
77000334.525.6251.5NoneRadiatorLeftRightNone
77000434.525.6252.25NoneRadiatorLeftRightNone
77000534.625162.25NoneRadiatorLeftRightNone
77000636.2534.52.25NoneRadiatorLeftRightNone
77000836.12526.06252NoneRadiatorCenterLeftNone
77000932.25232.25NoneRadiatorLeftRight / BottomNone
77001136.2534.52.25NoneRadiatorLeftRightNone
77001422.187538.52NoneRadiatorLeftRight / BottomNone
7700153439.43752NoneRadiatorLeftRight / BottomNone
77001636.937539.43752NoneRadiatorLeftRight / BottomNone
77001742.87539.43752NoneRadiatorLeftRight / BottomNone
77001936.2534.52.25NoneRadiatorLeftRightNone
7700213636.752NoneRadiatorLeftRight / BottomNone
77002240.530.31252.25NoneRadiatorTop LeftBottom RightNone
77002336.529.68752.25NoneRadiatorRight / TopLeft / BottomNone
77002436.529.68752.25NoneRadiatorRight / TopLeft / BottomNone
7700252225.1251.9375NoneRadiatorRightRightBottom
77002836.2534.52.25NoneRadiatorLeftRightNone
77002936.2534.52.25NoneRadiatorLeftLeft CenterNone
77003036.2534.52.25NoneRadiator   
77003136.2534.52.25NoneRadiator   
77003236.2534.51.5NoneRadiatorLeft Bottom LeftNone
77003336.2534.52.25NoneRadiatorLEFT ANGLEDRight 90 None
77003440.530.31252.25NoneRadiatorTop LeftBottom RightNone
77003536.2534.51.5NoneRadiatorLeftBottom RightNone
77003634.12534.52.25NoneRadiatorLeftLeftNone
77003736.2534.52.25NoneRadiatorLeftLeftNone
77003830.539.43752NoneRadiatorLeftRight / BottomNone
77003934.12534.52.25NoneRadiatorLeftLeftNone
77004036.2534.52.25NoneRadiatorLeftLeftNone
77004126.687539.43752NoneRadiatorLeftRightNone
77004436.2534.52.25NoneRadiatorLeftRightNone
77004536.2534.51.5NoneRadiatorLeftBottom RightNone
77004636.2534.52.25NoneRadiatorLeftRightNone
77004729.2534.52.25NoneRadiatorLeftRightNone
77004836.2534.52.25NoneRadiatorLeftLeftNone
77004925.7539.43752NoneRadiatorLeftRight / BottomNone
77005036.2534.52.625NoneRadiatorLeftRightNone
77005136.2534.52.625NoneRadiatorLeftRightNone
77005241.37534.3752.25NoneRadiatorLLNone
77005337.437538.752.81252.8125RadiatorCenterRightNone
77005529.2534.52.25NoneRadiatorLeftRightNone