Cold Case Radiator Chevy C10 77-87 2-Row 21” Aluminum 1.25”/ 1.5” Outlet Auto Trans W/ Dual 14” Fans

This radiator (GMT556A21-1SK) upgrades the cooling performance of your 1977-1987 Chevy C10. It ensures maximum heat dissipation and long-term reliability. The radiator uses 100% TIG-welded aluminum for exceptional 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 14” 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 14" 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