The Mishimoto Dodge Ram 5.9L Cummins coolant hose kit is the ideal upgrade for the factory rubber hoses.We want you to get the absolute most from your Cummins so we constructed our hose kit from a combination of high-grade silicone and four layers of heat-resistant embedded fibers to provide superior reliability, durability, and performance.The Mishimoto silicone coolant hose kit exhibits perfect factory fitment and is available in black, blue, and red.As with all our products, this hose kit is protected by the Mishimoto lifetime warranty.