The XDP X-TRA Cool Direct-Fit Replacement Radiator XD296 is the perfect replacement for the old leaking radiator in your 2003-2009 Dodge 5.9L/6.7L Cummins. While the X-TRA Cool Radiator may look like a factory replacement, it's far from it! The XDP's X-TRA Cool Radiators are built with techniques used in the semi-truck and HD industry. Unlike the OEM radiator, the extra steps taken during manufacturing provide you with the durability and strength to protect your engine.