This Fleece Performance replacement thermostat housing is a perfect match for 1998.5 - 2007 Dodge Ram 2500/3500 with 5.9L Cummins and 2013 - 2018 Ram 2500/3500 with 6.7L Cummins. It's a direct replacement for the thermostat elbow. You can customize your coolant routings using the auxiliary port threaded for a -10AN (7/8'-14) fitting, and it comes with a port plug (FPE - SP - 7814). This housing also replaces Cummins part numbers 5283433 and 3943297. It's included in our coolant bypass kits FPE - CLNTBYPS - CUMM - 0712 and FPE - CLNTBYPS - CUMM - 1318. Enjoy a 6 - month limited parts - only warranty.

Using this thermostat housing is easy. Just remove the old thermostat elbow and replace it with this one. It's a direct fit for your vehicle. When installing, make sure to connect the coolant hoses properly to the auxiliary port if you plan to use it. For maintenance, check the housing regularly for any signs of leaks. If you notice any coolant leakage, it might be time to replace the gaskets. Also, keep the port plug in place when not using the auxiliary port. Remember, this product comes with a 6 - month limited parts - only warranty, so if you have any issues within this period, contact us.