Collection: Pontiac GTO 2004-2006 Cooling Parts + Upgrades

Plan your cooling-system refresh with Pontiac GTO 2004-2006 cooling parts and upgrades. Whether you're replacing aging components or reviewing cooling needs for a modified engine, select parts around your exact vehicle configuration, available space, and driving conditions.

Match the radiator, fans, and connections

When comparing radiators, check core dimensions, overall thickness, mounting points, hose connection locations, and clearance around the fan assembly and engine accessories. Review compatibility with your existing shroud, expansion tank, and transmission-cooler connections where applicable. For electric fans, confirm mounting, electrical demand, wiring, and control requirements.

Choose compatible cooling components

For water pumps, thermostats, housings, and coolant hoses, review engine application, accessory-drive alignment, connection sizes, and routing. Check the manufacturer's coolant specifications and installation requirements. A lower-temperature thermostat alone should not be treated as a solution to an overheating problem; identify the underlying cause before choosing replacement parts.

Will these cooling parts fit my Pontiac GTO?

Confirm your 2004, 2005, or 2006 Pontiac GTO's engine identification, transmission, and existing modifications before ordering. Engine swaps, aftermarket accessories, and forced-induction piping can change available clearance or hose routing. Review each product's exact application notes rather than assuming every component fits the entire 2004-2006 range.

Check included hardware, required adapters, filling and bleeding procedures, and any fan-control calibration needs before installation. Plan the cooling system as a matched combination for your build.