1966 to 1967 Pontiac GTO with AC - Cold Case GPG38 Radiator Options

Upgrade your 1966–1967 Pontiac GTO, Tempest or LeMans with a Cold Case GPG38-family aluminum radiator for factory-air-conditioning applications. This family uses the taller core configuration for an AC radiator support, with OE-style stamped tanks for a factory-inspired appearance.

Choose your version

• GPG38: Manual transmission, polished aluminum finish.
• GPG38A: Automatic transmission, polished aluminum finish.
• GPG38AB: Automatic transmission, powder-coated black Night Rider finish, with 5/16-inch inverted-flare transmission cooler fittings. Supplier lists compatibility with the factory fan shroud.

Matching fan shroud

Pair your radiator with Fast Monty's Garage dual 14-inch fan shroud for the Cold Case GPG38. Designed for 1966–1967 Pontiac A-Body cars with AC and standard-tube GPG38 radiators, including GPG38, GPG38A and GPG38AB. Available in raw aluminum, matte black and custom-color options. Shroud sold separately; fans are not included.

This is not the shroud for the GPG38AS wide-tube radiator with 1.25-inch tubes.

Construction and features

• 100% TIG-welded aluminum construction
• Two rows of 1-inch tubes
• 16 fins per inch with corrugated fins for increased surface area
• OE-style tanks
• Pressure tested

Dimensions

Polished versions — GPG38 and GPG38A

• Core height: 17.5 inches
• Supplier-listed width: 25-1/8 inches; the descriptions do not identify this as core or overall width
• Overall height: 21-7/8 inches
• Overall thickness: 3 inches
• Upper hose connection: 1.5 inches
• Lower hose connection: 1-13/16 inches

Black Night Rider version — GPG38AB

• Core: 17.25 inches high × 25.13 inches wide, as listed in the specification section
• Overall height: 21.88 inches
• Overall thickness: 3 inches
• Upper hose connection: 1.5 inches
• Lower hose connection: 1.81 inches

Fitment notes

For 1966–1967 Pontiac GTO, Tempest and LeMans applications with a factory-AC radiator support. Confirm the support, transmission, mounting clearance and hose connections before ordering.

The GPG38AB introduction describes a 17.5-inch core, while its specification section lists 17.25 inches. Confirm the black version's core height before ordering; neither measurement has been substituted for the other.

Legacy part number listed for both polished versions: RPE38L.

Warranty: Limited Lifetime Warranty.

CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov