Mishimoto performance aluminum radiator for the 2004 Pontiac GTO is a direct-fit all-aluminum unit with TIG-welded end tanks and a fully brazed two-row core to increase cooling capacity by 0.64 L and reduce coolant temperatures by about 15°F. It includes an in-tank transmission cooler compatible with stock lines and a magnetic oil drain plug. The radiator is offered with Mishimoto's lifetime warranty for long-term reliability.
Mishimoto 2004 Pontiac GTO Performance Aluminum Radiator