Mishimoto high performance aluminum radiator for a 2004 Pontiac GTO, LS1 5.7L. Fits both automatic and manual transmission cars. Made to fit directly in place of your OEM radiator. No modifications required. Includes Mishimoto’s limited lifetime warranty.
-Direct fit for the 2004 Pontiac GTO
-Reduces coolant temperatures by +15°F (+6°C)
-Large two-row brazed aluminum core increases fluid capacity by 0.64 L and provides ideal coolant temperatures on and off the track
-All-aluminum construction with TIG-welded end tanks provides optimal heat dissipation and reliability
-Applicable for both manual and automatic vehicles
-Includes magnetic drain plug
-Mishimoto Lifetime Warranty
32.60″ x 18.65″ x 5.55″
26.55″ x 17.00″
Tank Wall Thickness
Drain Plug Thread Size
Drain Plug Thread Length
1.5mm Purchase Includes
Magnetic Drain Plug
Mishimoto Lifetime Warranty
2004 Vauxhall Monaro (5.7L Engine Only)
01–04 Holden Monaro (5.7L Engine Only)
This item is for manual and automatic transmission vehicles. This radiator will fit with Svede and other aftermarket OTR cold-air intakes.
Due to the added thickness of the Mishimoto radiator, the clip securing the radiator cover to the electric fan shroud will need to be trimmed for proper fitment. The remaining clips securing the radiator cover to the core support will sufficiently secure it in position.