The Mishimoto MMRAD-DMAX-06 Aluminum Performance Radiator is a direct-fit replacement for the leaking radiator in your 2006-2010 GM 6.6L Duramax LBZ/LMM. This performance radiator is manufactured from aircraft-grade aluminum with a 100% brazed aluminum core and polished end tanks for good looks. Offering increased cooling efficiency, this all-aluminum TIG-welded radiator provides a durable design that is perfect for the street or the racetrack. This Mishimoto Aluminum Performance Radiator retains stock mounting points and requires no modification for installation. As with all Mishimoto products, this radiator is covered by the Mishimoto exclusive lifetime warranty.