The Cold Case GPF18AB is the black powder-coated version of the GPF18A, a direct-fit aluminum performance radiator for the 1970-1981 Pontiac Firebird, including Trans Am, with an automatic transmission. It uses a 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch, built with 100 percent TIG-welded aluminum, and has a 5/16 inch inverted flare transmission cooler fitting. It is compatible with the factory fan shroud.
- Type: aluminum performance radiator (automatic)
- Finish: black powder-coat
- Core: 2-row, two 1.25 in tubes, 16 corrugated fins per inch
- Construction: 100 percent TIG-welded aluminum
- Core size: 27.5 in W x 18.4 in H
- Overall size: 33.2 in W x 18.8 in H x 3 in D
- Hoses: 1.57 in upper, 1.57 in lower; 5/16 in inverted flare trans fitting
- Compatible with the factory fan shroud
- Part number: GPF18AB
Vehicle Applications
Direct fit on the following (automatic):
- 1970 Pontiac Firebird
- 1971 Pontiac Firebird
- 1972 Pontiac Firebird
- 1973 Pontiac Firebird
- 1974 Pontiac Firebird
- 1975 Pontiac Firebird
- 1976 Pontiac Firebird
- 1977 Pontiac Firebird
- 1978 Pontiac Firebird
- 1979 Pontiac Firebird
- 1980 Pontiac Firebird
- 1981 Pontiac Firebird
FAQ
What is the Cold Case GPF18AB?
The black powder-coated version of the GPF18A radiator for the 1970-1981 Pontiac Firebird, including Trans Am, automatic.
Does it fit a Trans Am?
Yes. It fits the 1970-1981 Pontiac Firebird and Trans Am.
Is it compatible with the factory shroud?
Yes. It is compatible with the factory fan shroud.
Does it have a transmission cooler fitting?
Yes. It has a 5/16 inch inverted flare transmission cooler fitting.

