ECCPP New Aluminum Radiator 2139 fits for 1997-2004 Ford Mustang GT 1In Thickness with warranty If you don't make sure whether this item fits to you, message us Every radiator is subjected to an aging and endurance test in order to validate its performance under extreme weather conditions Aluminum Core Material,and plastic Tank Material Vehicle test-fitted prior to market release, ensuring perfect drop-in fit Plastic-aluminum radiators are brazed with the state-of-the-art Nocolok furnace process