1977-1987 Chevy/GMC Truck Aluminum Performance Radiator.
This is the radiator that is 21 Inch high overall. See GMT556A for the 19 Inch high version.
These COLD-CASE radiators are Tig welded 100 percent aluminum and absolutely beautiful. Don't buy a 3 or 4 row aluminum radiator! It doesn't cool as good as these oversize 2 row models. These radiators are original appearing and have the correct stamping. Once painted, you'd be hard pressed to find a difference over an original versus a COLD-CASE.
- 100 percent TIG welded
- All Aluminum
- 2 Rows of 1.25 Inch tubes
- Polished OE style tanks
- 16 fins per inch
- Corrugated fins that give more surface area and more thermal transfer
- Pressure tested
- For automatic trans
- Direct fitment for 77-87 GM Truck
Radiator Specs
- Core Height 18.8 Inch
- Core Width 28.35 Inch
- Overall Height 21 Inch
- Overall Width 34.33 Inch
- Overall Thickness 3 Inch
- Tubes (2) 1.25 Inch Tubes
- Upper Hose 1.50 Inch
- Lower Hose 1.75 Inch
18.8 Inch
Vendor Part Number: GMT556A21
1977 1987 GMC Jimmy
1977 1986 Chevrolet C10 Scottsdale
1977 1980 Chevrolet K5 Blazer Cheyenne
1977 1981 Chevrolet C10 Cheyenne
1977 1981 Chevrolet K10 Cheyenne
1977 1986 Chevrolet C10 Silverado
1977 1986 Chevrolet K10 Silverado
1977 1980 Chevrolet K10 Custom Deluxe
1977 1980 Chevrolet C10 Custom Deluxe
1977 1980 Chevrolet K5 Blazer Custom Deluxe
1977 1982 GMC Jimmy Sierra Grande
1977 1987 GMC Jimmy Sierra Classic
1977 1986 Chevrolet K10 Scottsdale
1977 1985 GMC Jimmy High Sierra
1978 1978 Chevrolet K5 Blazer Silverado
1978 1982 GMC Jimmy Street Coupe
1978 1980 Chevrolet C10 Big Ten
1980 1986 Chevrolet K5 Blazer Silverado
1981 1981 Chevrolet K10 Deluxe
1981 1981 Chevrolet C10 Deluxe
1981 1986 Chevrolet K5 Blazer Custom
1981 1986 Chevrolet K10 Custom
1981 1986 Chevrolet C10 Custom
1981 1981 Chevrolet K5 Blazer Deluxe
1984 1984 Chevrolet K5 Blazer Scottsdale