Mack Radiators – Browse Replacement Parts

Do you need a new Mack 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 Mack 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 450952 Radiator for your 1950 Mack L5 Fire Truck.

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 Mack 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 
45095226.7525.31253.25RightRadiatorLeft CenterCenterNone
45127129.2526.254.125FrontRadiatorDualDualNone