Performance Radiator with Shroud for Chevrolet C/K Trucks (1975-1986) 4.1L 4.8L 5.0L 5.7L

Direct-Fit High-Efficiency Performance Radiator with Shroud for 1975-1986 Chevrolet C/K Trucks

What it Does: The Performance Radiator with Shroud replaces the failure-prone factory copper-brass or aging core on 1975-1986 Chevrolet C/K Trucks to maximize thermal heat rejection, eliminate coolant leaks, and prevent heat soak during heavy towing or idling.

The Stock Chevrolet C/K Trucks Thermal Bottleneck

Factory Squarebody C/K cooling systems relied heavily on traditional soldered copper-brass cores or early crimped modular designs that deteriorate rapidly from galvanic corrosion, vibration-induced fatigue, and internal calcification. Over decades of heat cycles, OEM solder seams crack, leading to recurring coolant loss. Furthermore, factory mechanical fan clutches slip with age and fail to pull adequate CFM across the core at low vehicle speeds, causing rapid coolant temperature spikes when idling or working under heavy bed loads.

The Engineering Solution

This cooling upgrade features an all-aluminum tube-and-fin core paired with 100% TIG-welded end tanks, eliminating failure-prone epoxy bonds and fragile crimped seams entirely. Structural aircraft-grade aluminum optimizes heat dissipation efficiency while cutting overall front-axle dry weight. Matched with an integrated aluminum fan shroud and dedicated electric cooling fan assembly, airflow is evenly channeled across the entire surface area of the core rather than dissipating within the engine bay. The internal transmission oil cooler provisions maintain factory plumbing routing for reliable fluid stabilization.

Technical Specifications

Compatibility

• 1975-1986 Chevrolet C10 (4.1L 250ci, 4.8L 292ci, 5.0L 305ci, 5.7L 350ci)
• 1975-1986 Chevrolet C20 (4.1L 250ci, 4.8L 292ci, 5.0L 305ci, 5.7L 350ci)
• 1975-1986 Chevrolet C30 (4.8L 292ci, 5.7L 350ci)
• 1975-1986 Chevrolet K10 (4.1L 250ci, 5.0L 305ci, 5.7L 350ci)
• 1975-1986 Chevrolet K20 (4.1L 250ci, 4.8L 292ci, 5.0L 305ci, 5.7L 350ci)
• 1975-1986 Chevrolet K30 (4.8L 292ci, 5.7L 350ci)

Frequently Asked Questions

Does this fit the Squarebody C/K Trucks?
Yes, this is a direct fit for the 1975-1986 Chevrolet C/K Trucks equipped with the Small Block Chevy or factory inline-six engines.

Does this unit retain the internal automatic transmission fluid cooler?
Yes, it features integrated brass transmission cooler ports compatible with factory transmission lines.

The Chevrolet Durability Standard

Squarebody work trucks are built to pull heavy equipment and run for decades in punishing environments. This cooling assembly delivers the heavy-duty thermal capacity, structural rigidity, and non-corrosive aluminum durability required to keep your truck running cold under peak towing and trail conditions.