A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your Duramax cooling system with the Mishimoto 6.6L Duramax Silicone Coolant Hose Kit for the perfect combination of performance and durability. Mishimoto diesel coolant hoses are manufactured with high-grade silicone and five layers of heat-resistant embedded fibers to provide increased pressure and temperature tolerance. The Mishimoto Duramax coolant hose kit is ideal for use on both stock and modified trucks for any environment or terrain.

This Duramax coolant hose kit also has billet CNC-machined quick-disconnect ends for a direct factory fitment with absolutely no cutting required. These Duramax coolant hoses complemiment and mate perfectly with the factory radiator, creating a cooling system that will last the lifetime of your truck. Like all of our Duramax performance parts, the Mishimoto 6.6L Duramax Silicone Coolant Hose Kit includes the Mishimoto Lifetime Warranty and is offered in black, blue, or red.