The Cold Case GMT555A is a direct-fit aluminum performance radiator for the 1963-1966 Chevy and GMC pickup truck with an automatic transmission. It uses an oversize 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch, built with 100 percent TIG-welded all-aluminum construction and polished OE-style tanks with heavy-duty 4-core mounts, and includes a transmission cooler with a 5/16 inch inverted flare fitting. This is the radiator only; the GMT555AK version adds a 16 inch fan.
- Type: aluminum performance radiator (automatic)
- Core: oversize 2-row, two 1.25 in tubes, 16 corrugated fins per inch
- Construction: 100 percent TIG-welded aluminum, polished OE-style tanks, heavy-duty 4-core mounts
- Overall size: 24.5 in W x 22.5 in H x 3 in D (core 22.75 x 17.4 in)
- Hoses: 1.5 in upper, 1.75 in lower
- Transmission cooler: 5/16 in inverted flare fitting
- Part number: GMT555A
Vehicle Applications
Direct fit on the following:
- 1963 Chevrolet Pickup (C10/C20)
- 1964 Chevrolet Pickup (C10/C20)
- 1965 Chevrolet Pickup (C10/C20)
- 1966 Chevrolet Pickup (C10/C20)
- 1963 GMC Pickup
- 1964 GMC Pickup
- 1965 GMC Pickup
- 1966 GMC Pickup
Cold Case also lists this radiator as fitting:
- 1961 Pontiac Grand Prix
- 1962 Pontiac Grand Prix
- 1963 Pontiac Grand Prix
- 1964 Pontiac Grand Prix
- 1961 Pontiac Bonneville
- 1962 Pontiac Bonneville
- 1963 Pontiac Bonneville
- 1964 Pontiac Bonneville
- 1961 Pontiac Catalina
- 1962 Pontiac Catalina
- 1963 Pontiac Catalina
- 1964 Pontiac Catalina
FAQ
What vehicles does the Cold Case GMT555A fit?
It is a direct fit for the 1963-1966 Chevy and GMC pickup truck.
Does this include a fan?
No. This is the radiator only. The GMT555AK version adds a 16 inch electric fan.
What other vehicles does it fit?
Cold Case also lists it as fitting the 1961-1964 Pontiac Grand Prix, Bonneville, and Catalina.
How many rows is the core?
An oversize 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch.
