Cold Case Radiator Chevy C10 77-87 2-Row 21” Aluminum 1.25”/ 1.5” Outlet Auto Trans W/ Dual 12” Fans
Highlights
- Dual 14" Fans
- Oversized Tubes
- Direct-Fit Design
- All-Aluminum Build
Cold Case Radiators 2-Row 21” Aluminum Radiator with Dual 12” Fans and 1.25” Oversized Tubes for 1977-1987 Chevy C10s with 1.5” Lower Hose and Automatic Transmission.
This radiator (GMT556A21-1K) enhances the cooling capabilities of your vintage 1977-1987 Chevy C10. It provides maximum heat dissipation and long-term reliability. The radiator uses 100% TIG-welded aluminum for better durability while maintaining a factory-style look thanks to its polished stamped tanks. The two oversized 1.25” cooling tubes and corrugated fins significantly improve thermal efficiency. Dual 12” electric fans housed in an all-metal shroud ensure consistent airflow and stable engine temperatures.
Features and Benefits:
- Direct-fit replacement
- 100% TIG-welded construction
- Polished factory-style tanks
- (2) oversized 1.25" cooling tubes
- 16 fins per inch for high efficiency
- Corrugated fin design for improved heat transfer
- Dual 12" electric cooling fans
- All-metal dual-fan shroud
- Integrated transmission cooler fittings
- Pressure tested for reliability
Specifications:
- Core height: 18.8"
- Core width: 28.35"
- Overall height: 21"
- Overall width: 34.33"
- Overall thickness: 3"
- Upper hose: 1.25"
- Lower hose: 1.5"
- Trans cooler fitting: 5/16" inverted flare
Vehicle Fitment:
- 1977-1987 Chevy C10s
- For 1.5” lower hose applications
- Fits models with automatic transmissions
California Residents: Proposition 65 Warning
Related Categories: C10 Radiators, C10 Restomod Heating & Cooling












