Cold Case Radiators - GMT556A - 77-87 Chevy/GMC Pickup Truck Aluminum Radiator AT

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

17.2 Inch


Vendor Part Number: GMT556A

1979 1986 GMC K1500
1979 1986 GMC K2500
1979 1986 GMC K2500 High Sierra
1979 1986 GMC K1500 High Sierra
1979 1986 GMC K1500 Sierra Classic
1979 1986 GMC K2500 Sierra Classic
1979 1982 GMC K2500 Sierra Grande
1979 1982 GMC K1500 Sierra Grande