Coolant Bypass Kit for 2013-2018 Ram with 6.7L Cummins 2015.5-66-duramax 4" Aluminized Steel

4"  Aluminized Steel

OE Part Numbers: 5263316

R8210105AA

This kit is designed for use with or without a low pressure lift pump

FASS Fuel Systems PF3001 Particulate Filter (PF3001)

Coolant Bypass Kit for 2013-2018 Ram with 6.7L Cummins 2015.5-66-duramax 4" Aluminized SteelThe Fleece Performance coolant bypass for the 2013 2018 RAM with 6. 7L Cummins seamlessly integrates with your truck for an OE fit and finish. FEATURES Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 6. 7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out