Mishimoto has released a performance aluminum radiator for the 2001–2005 Chevrolet/GMC 6.6L Duramax. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100% aluminum core and polished end tanks. The Mishimoto 6.6L Duramax Performance Radiator offers increased cooling efficiency, and the all-aluminum TIG-welded construction provides a rugged design that can take the abuse of any environment or terrain. Pair your Mishimoto 6.6L Duramax Performance Radiator with our silicone coolant hose kit for the ultimate combination in cooling performance and reliability. As with all our Duramax performance parts, this aluminum radiator is protected by the Mishimoto lifetime warranty.