Tiffin Radiators – Browse Replacement Parts

When you move your motorhome, are you seeing coolant on the ground? 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 you to get the parts for even the older models of Tiffin Motorhome.

While using your Tiffin radiator, you can be confident that should you need repair, we can help you through that! If your Tiffin radiator is beyond any repair, Active Radiator has the most popular OE quality Tiffin replacement parts in stock across the U.S.  For example, we have the 450578 for your Tiffin Motorhome, as we know how important it is to stay on the road.

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 Tiffin radiator replacement.

Tiffin 450578 radiator drawing

Tiffin / Spartan Motorhome Radiator

450578 Radiator



Tiffin 450799 radiator drawing

Tiffin Motorhome Radiator

450799 Radiator



View Product Browser With Pictures

Part Number Height Width Depth Filler Neck Product Inlet Outlet Oil Cooler 
31017645.37519.1256.25NoneRadiator  None
4505784320.253.6875NoneRadiatorTop LeftBottom RightNone
45079943.3816.0416.25 Radiator