Performance Radiator for Chevrolet C/K Trucks (1996-2000) 4.3L 5.0L 5.7L 6.5L 7.4L

Heavy-Duty All-Aluminum Performance Radiator for 1996-2000 Chevrolet C/K Trucks

What it Does: The Performance Radiator replaces the failure-prone factory heat exchanger on 1996-2000 Chevrolet C/K Trucks to maximize thermal dissipation and prevent coolant leaks under demanding hauling loads.

The Stock Chevrolet C/K Trucks Radiator Weakness

Factory GMT400 platform radiators rely on composite nylon end tanks crimped to an aluminum core with elastomer gaskets. Over years of thermal cycling, vibration, and operating pressure, the plastic inlet neck embrittles, and the mechanical crimp joints loosen, triggering severe coolant loss and overheating. Furthermore, factory core fin spacing easily collects debris and suffers from internal tube scale buildup, drastically reducing cooling efficiency during towing or extended idling.

The Engineering Solution

This high-efficiency replacement eliminates plastic failure points entirely by utilizing an all-aluminum construction with robust, 100% TIG-welded end tanks. The high-capacity aluminum tube-and-fin core improves fluid-to-air heat transfer and resists high system pressures. Engineered specifically for the GMT400 engine bay, it retains OE-spec mounting brackets, hose neck angles, and internal transmission oil cooler provisions, restoring thermal stability to high-displacement Vortec 5700 and Vortec 7400 powertrains without requiring modification.

Technical Specifications

Compatibility

• 1996-1999 Chevrolet C1500 / K1500 (4.3L V6, 5.0L V8, 5.7L V8, 6.5L Diesel)
• 1996-2000 Chevrolet C2500 / K2500 (5.0L V8, 5.7L V8, 6.5L Diesel, 7.4L V8)
• 1996-2000 Chevrolet C3500 / K3500 (5.7L V8, 6.5L Diesel, 7.4L V8)

Frequently Asked Questions

Does this fit the GMT400 C/K Trucks?
Yes, this is a direct fit for the 1996-2000 Chevrolet C/K Trucks equipped with the 4.3L, 5.0L, 5.7L, 6.5L, or 7.4L engine.

Does this radiator include internal transmission cooler lines?
Yes, it features integrated direct-fit internal cooler fittings configured for factory automatic transmission line connections.

The Chevrolet Truck Caliber

Engineered to handle the high thermal loads of heavy payload hauling and sustained highway towing, this all-aluminum cooling assembly delivers the rugged reliability required for the demanding work cycles of your Chevrolet truck.