Fleece Performance Coolant Bypass Kit For 98.5-02 5.9L Cummins 1998-2010 Ram 3500 Bump Stop Extensions - Front

Bump Stop Extensions - Front and Rear

WeatherTech

15673’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques

Single Side Exit Built from heavy-duty Aluminized Steel our PLM Series performance exhaust systems offer a value price without compromising on the quality built into every component

As if you hadn't already made your decision

Fleece Performance Coolant Bypass Kit For 98.5-02 5.9L Cummins 1998-2010 Ram 3500 Bump Stop Extensions - FrontThe rear cylinders on the 5. 9 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 freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary thermostat, that unlike other brands, works based on