
Coolant Bypass Kit for 2003-2018 5.9L 6.7L Cummins Dodge Ram 2500 3500
Fitment: 2003-2007 Dodge Ram 5.9L Cummins (Only Manual Transmission); 2007.5-2018 Dodge Ram 6.7L Cummins (Manual & Automatic Transmissions). Why do I need a Coolant Bypass? One of the biggest issues on the 6.7L Cummins is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature / over-pressure condition. This one of the most important additions you make to improve the reliability and longevity of the Cummins platform. Coolant Bypass Kit Features: Lowers coolant temperature at the rear cylinders Ensures consistent temperatures across all cylinders Prevents damaging coolant pressure build up Complete kit comes with braided hose and AN O-ring fittings to ensure a leak-free installation. Kits for 2003+ include billet hose brackets. Fitment Notes: For 2007.5-2018 Dodge Cummins 6.7L Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 6.7L Cummins suffer from a lack of co