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Your cart is empty.Product Name: JIAD Bypass Kit (Coolant Hose Braiding - Stainless Steel) Thoroughbred Diesel Part #: FPE-CLNTBYPS-CUMMINS-6.7-SS 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 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 temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. 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 MY 2003+ include billet hose brackets. Why do I need a JIAD 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. The JIAD is one of the most important additions you make to improve the reliability and longevity of the Cummins platform.
Mason
Reviewed in the United States on February 11, 2025
Do not but this. Everything about this kit is trash go with fleece performance. You get what you pay for
Customer
Reviewed in the United States on July 29, 2024
Not happy doesn’t fit right Seal busted
Colt T.
Reviewed in the United States on March 21, 2024
Looks to be well-made, feels sturdy and heavy duty. Only downside is it’s missing the O-ring for where it needs to seal in the back of the cylinder head.
Shawn
Reviewed in the United States on November 20, 2023
Everything got taken care of.
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