ECMRAD Aluminum Radiator is produced and designed to provide maximum cooling efficiency to prevent engine cooling failure. It is made of full aluminum light-weight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. It has an increased durability over the factory plastic end tank radiator, and much inmprovwed engine cooling. Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications. This Radiator Compatible for: for Ford trucks equipped with the 6.0L Powerstroke 2003–2007 for Ford Powerstroke F250 F350 6.0L Turbo Diesel 03-07 for Ford Excursion 6.0L 2003 2004 2005 for Ford F-250 Super Duty 6.0L 2003 2004 for Ford F-350 Super Duty 6.0L 2003 2004 for Ford F-450 Super Duty 6.0L 2003 2004 for Ford F-550 Super Duty 6.0L 2003 2004 Radiator Size Details: 2-Row of tubes Core Racing Design Down Flow Or Cross Flow Type: Down Flow Size:30.2in x 34.5in Core Size:29.06in x 28.54in Inlet:1.77in Outlet:1.97in Tank Wall Thickness:0.08 Drain Plug Thread Size:M12 x 1.5 Please Check the Size Before You Buy! Package Included: 1 X 4-Row Aluminum Radiator w/ Radiator Cap