The 7.3L Powerstroke is well known for its dependable service and longevity. Preserve the life of your engine with the Mishimoto silicone coolant hose kit. The factory rubber hoses are prone to rapid deterioration from years of heat, pressure, and abuse. Mishimoto silicone coolant hoses are manufactured with a combination of high-grade silicone and four layers of heat-resistant embedded fibers to provide increased pressure tolerance and improved heat reduction. The Mishimoto 7.3 Powerstroke silicone hose kit is engineered to retain factory fitment and is available in black, blue, and red. As with all our products, this silicone coolant hose kit includes the Mishimoto lifetime warranty.