Performance Radiator for Chevy GMC CK Series C-Series (1988-1995) 5.0L 5.7L

Heavy-Duty 3-Row Performance Radiator for 1988-1995 Chevrolet, GMC C/K Trucks, Suburban

Upgraded Cooling Solution: Replaces the restrictive and failure-prone factory radiator to significantly lower engine coolant temperatures and increase thermal capacity for improved towing performance.

The Stock GMT400 Thermal Weakness

The factory radiators found in GMT400 chassis trucks are infamous for heat soak and structural failure under heavy load. The stock plastic end tanks degrade rapidly over decades of thermal cycling, causing hairline cracks and debilitating pressure leaks. Furthermore, the OEM single or dual-row core design lacks the adequate fluid volume and surface area required to effectively dissipate heat from the SBC Gen I engines, especially when the vehicle is burdened with heavy payloads, towing on steep inclines, or navigating slow-moving traffic in high-ambient temperatures.

The Engineering Solution

This heavy-duty, 3-row, all-aluminum performance radiator rectifies these OEM shortcomings by introducing a high-capacity architecture. Constructed from premium TIG-welded aluminum, it completely eliminates the failure-prone plastic end tanks, substituting them with fully welded structural tanks for superior integrity and pressure retention. The robust 3-row core design (20.87" W x 17.24" H x 1.65" T) drastically increases internal coolant volume and maximizes the fin surface area exposed to incoming airflow. This engineered airflow dynamic significantly accelerates thermal exchange, providing an estimated 30% increase in cooling capacity over the standard OEM unit. Designed for both automatic and manual transmissions, this unit ensures your classic GMT400 maintains optimal operating temperatures, preventing critical engine damage from overheating. Critical Fitment Note: Ensure your factory core length is 530mm, not 720mm, prior to installation.

Technical Specifications

Compatibility

• Chevrolet C1500 5.0L V8 305ci 1988-1993
• Chevrolet C1500 4.3L V6 262ci 1988-1993
• Chevrolet C1500 5.7L V8 350ci 1988-1993
• Chevrolet C1500 Suburban 5.7L V8 350ci 1992-1995
• Chevrolet C2500 4.3L V6 262ci 1988-1993
• Chevrolet C2500 5.0L V8 305ci 1988-1993
• Chevrolet C2500 5.7L V8 350ci 1988-1993
• Chevrolet C2500 Suburban 5.7L V8 350ci 1992-1995
• Chevrolet C3500 All Configurations 1988-1991
• Chevrolet C3500HD 5.7L V8 350ci 1991
• Chevrolet K1500 4.3L V6 262ci 1988-1993
• Chevrolet K1500 5.0L V8 305ci 1988-1993
• Chevrolet K1500 5.7L V8 350ci 1988-1993
• Chevrolet K1500 Suburban 5.7L V8 350ci 1992-1995
• Chevrolet K2500 5.0L V8 305ci 1988-1993
• Chevrolet K2500 4.3L V6 262ci 1988-1993
• Chevrolet K2500 5.7L V8 350ci 1988-1993
• Chevrolet K2500 Suburban 5.7L V8 350ci 1992-1995
• Chevrolet K3500 5.7L V8 350ci 1988-1993
• Chevrolet Suburban 1500 5.7L V8 350ci 1995
• GMC C1500 5.7L V8 350ci 1988-1993
• GMC C1500 5.0L V8 305ci 1988-1993
• GMC C1500 4.3L V6 262ci 1988-1993
• GMC C1500 Suburban 5.7L V8 350ci 1992-1995
• GMC C2500 5.7L V8 350ci 1988-1993
• GMC C2500 4.3L V6 262ci 1988-1993
• GMC C2500 5.0L V8 305ci 1988-1993
• GMC C2500 Suburban 5.7L V8 350ci 1992-1995
• GMC C3500 5.7L V8 350ci 1988-1993
• GMC C3500HD 5.7L V8 350ci 1991
• GMC K1500 5.0L V8 305ci 1988-1993
• GMC K1500 4.3L V6 262ci 1988-1993
• GMC K1500 5.7L V8 350ci 1988-1993
• GMC K1500 Suburban 5.7L V8 350ci 1992-1995
• GMC K2500 4.3L V6 262ci 1988-1993
• GMC K2500 5.0L V8 305ci 1988-1993
• GMC K2500 5.7L V8 350ci 1988-1993
• GMC K2500 Suburban 5.7L V8 350ci 1992-1995
• GMC K3500 5.7L V8 350ci 1988-1993
• Compatible with Automatic & Manual Transmissions

The Chevrolet, GMC Towing Standard

Whether you are restoring a classic GMT400 OBS truck, hauling heavy machinery, or navigating steep grades with a payload, this robust aluminum radiator ensures the legendary durability and unwavering thermal reliability expected from America's premier workhorses.