The Cold Case GMT558A is a direct-fit aluminum performance radiator for the 1967-1972 Chevy and GMC C and K series pickup 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 correct stamping, and includes a transmission cooler with a 5/16 inch inverted flare fitting. It is built with 4-core radiator mounts; trucks with 3-core mounts require a bracket modification. Cold Case lists this part for 1967-1976 GM trucks, so verify your mount before ordering.
- 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
- Overall size: 34 in W x 18.6 in H x 3 in D (core 28.35 x 17.25 in)
- Hoses: 1.5 in upper, 1.77 in lower
- Transmission cooler: 5/16 in inverted flare fitting
- Mounts: built with 4-core mounts; 3-core mount trucks require bracket modification
- Part number: GMT558A
Vehicle Applications
Direct fit on the following (automatic):
- 1967 Chevrolet C/K Pickup
- 1968 Chevrolet C/K Pickup
- 1969 Chevrolet C/K Pickup
- 1970 Chevrolet C/K Pickup
- 1971 Chevrolet C/K Pickup
- 1972 Chevrolet C/K Pickup
- 1967 GMC C/K Pickup
- 1968 GMC C/K Pickup
- 1969 GMC C/K Pickup
- 1970 GMC C/K Pickup
- 1971 GMC C/K Pickup
- 1972 GMC C/K Pickup
Also fits with modification:
- 1973-1976 Chevrolet and GMC pickups, and trucks with 3-core radiator mounts, require a bracket modification (verify dimensions before ordering)
FAQ
What vehicles does the Cold Case GMT558A fit?
It is a direct fit for the 1967-1972 Chevy and GMC C and K series pickup with an automatic transmission.
Does it fit 1973-1976 trucks?
Cold Case lists this part for 1967-1976 GM trucks, but it is built with 4-core mounts. Trucks with 3-core mounts require a bracket modification, so verify your mount before ordering.
Is it built for automatic or manual?
This is the automatic-transmission version and includes a transmission cooler.
How many rows is the core?
An oversize 2-row core with two 1.25 inch tubes and 16 corrugated fins per inch.
