1977-1987 Chevy/GMC Pickup Truck Aluminum Performance Radiator. AT Cars. 19 Inch high overall. For 21 inch high version, see GMT556A21.
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
- 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
- Old Part Number: RPE556A
Radiator Specs
- Core Height 17.2 inch
- Core Width 28.35 inch
- Overall Height 18.6 inch
- Overall Width 34.15 inch
- Overall Thickness 3 inch
- Tubes (2) 1.25 inch Tubes
COLD-CASE Radiators 77-87 Chevy/GMC Pickup Truck Aluminum Radiator AT Cold Case Radiators GMT556A
Specifications:
| Country of Origin | CHN |
| Sold As | Each |
| UPC | 846861016107 |
| Availability | Available |
| Thickness | 3.0 Inch |
| Universal | No |
| Fits | 77-87 GM Truck Pickup AT |
| Overall Width | 34.15 Inch |
| Old Part Number | RPE556A |
| Core Height | 17.2 Inch |
| Core Width | 28.35 Inch |
| Overall Height | 18.6 Inch |
| Fins Per Inch | 16 |
| Trans Cooler Fitting Size | 5/16 Inch Inverted Flare |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1979 | GMC | K2500 | ||
| 1980 | GMC | K2500 | ||
| 1981 | GMC | K2500 | ||
| 1982 | GMC | K2500 | ||
| 1983 | GMC | K2500 | ||
| 1984 | GMC | K2500 | ||
| 1985 | GMC | K2500 | ||
| 1986 | GMC | K2500 | ||
| 1979 | GMC | K1500 | ||
| 1980 | GMC | K1500 | ||
| 1981 | GMC | K1500 | ||
| 1982 | GMC | K1500 | ||
| 1983 | GMC | K1500 | ||
| 1984 | GMC | K1500 | ||
| 1985 | GMC | K1500 | ||
| 1986 | GMC | K1500 | ||
| 1979 | GMC | K2500 | High Sierra | |
| 1980 | GMC | K2500 | High Sierra | |
| 1981 | GMC | K2500 | High Sierra | |
| 1982 | GMC | K2500 | High Sierra | |
| 1983 | GMC | K2500 | High Sierra | |
| 1984 | GMC | K2500 | High Sierra | |
| 1985 | GMC | K2500 | High Sierra | |
| 1986 | GMC | K2500 | High Sierra | |
| 1979 | GMC | K1500 | High Sierra | |
| 1980 | GMC | K1500 | High Sierra | |
| 1981 | GMC | K1500 | High Sierra | |
| 1982 | GMC | K1500 | High Sierra | |
| 1983 | GMC | K1500 | High Sierra | |
| 1984 | GMC | K1500 | High Sierra | |
| 1985 | GMC | K1500 | High Sierra | |
| 1986 | GMC | K1500 | High Sierra | |
| 1979 | GMC | K1500 | Sierra Classic | |
| 1980 | GMC | K1500 | Sierra Classic | |
| 1981 | GMC | K1500 | Sierra Classic | |
| 1982 | GMC | K1500 | Sierra Classic | |
| 1983 | GMC | K1500 | Sierra Classic | |
| 1984 | GMC | K1500 | Sierra Classic | |
| 1985 | GMC | K1500 | Sierra Classic | |
| 1986 | GMC | K1500 | Sierra Classic | |
| 1979 | GMC | K2500 | Sierra Classic | |
| 1980 | GMC | K2500 | Sierra Classic | |
| 1981 | GMC | K2500 | Sierra Classic | |
| 1982 | GMC | K2500 | Sierra Classic | |
| 1983 | GMC | K2500 | Sierra Classic | |
| 1984 | GMC | K2500 | Sierra Classic | |
| 1985 | GMC | K2500 | Sierra Classic | |
| 1986 | GMC | K2500 | Sierra Classic | |
| 1979 | GMC | K1500 | Sierra Grande | |
| 1980 | GMC | K1500 | Sierra Grande | |
| 1981 | GMC | K1500 | Sierra Grande | |
| 1982 | GMC | K1500 | Sierra Grande | |
| 1979 | GMC | K2500 | Sierra Grande | |
| 1980 | GMC | K2500 | Sierra Grande | |
| 1981 | GMC | K2500 | Sierra Grande | |
| 1982 | GMC | K2500 | Sierra Grande |