Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Mishimoto top heater hose upgrade for 2007.5–2024 Ram 6.7L Cummins replaces the leak-prone factory quick-disconnect with an O-ring-less -10AN connection to improve reliability and coolant flow. The kit ships with pre-applied thread sealant for a leak-free joint and is designed for a direct fit to the engine. It’s backed by Mishimoto’s Lifetime Warranty for Cummins owners seeking a durable fix.
Mishimoto 2007.5+ Ram 6.7L Cummins Top Heater Hose Upgrade
