autoexact 34-inch Aluminium Radiator for Chevy Silverado GMC Yukon 4.3–6.2L Direct-Fit High-Capacity

The Autoexact 2370 is a direct-fit, all-aluminum 34" replacement radiator engineered to restore reliable cooling for compatible GM trucks and SUVs without modifications.

This high-capacity radiator replaces worn or leaking units in a wide range of Chevrolet, GMC, Cadillac and Hummer models. Built with multi-louvered fins, flat-flow B-type tubes and reinforced header tanks, the Autoexact 2370 focuses on efficient heat transfer, corrosion resistance and leak-free operation. It arrives ready to swap into the existing cooling system and is pressure-tested to meet demanding driving and towing conditions.

Which vehicles will this radiator fit?

The Autoexact 2370 was engineered to match OEM mounting points and hose connections for numerous GM platforms. It fits many model years of Silverado, Sierra, Suburban, Tahoe, Yukon, Escalade and Hummer H2 with the listed engine sizes, so you can replace the radiator without cutting or rerouting factory lines.

• Chevrolet: Silverado, Suburban, Tahoe, Avalanche (selected years)
• GMC: Sierra, Yukon, Yukon XL (selected years)
• Cadillac: Escalade, Escalade ESV, Escalade EXT; Hummer H2
• Compatible with 4.3L, 4.8L, 5.3L, 6.0L, 6.2L engines where specified

How does this radiator improve cooling and longevity?

Performance comes from its full-aluminum construction and heat-optimized core design. Multi-louvered fins and flat-flow tubes increase airflow and surface contact so heat moves out of the coolant faster, while anti-corrosion coatings and thermal expansion cuts reduce long-term fatigue.

• All-aluminum core for faster heat transfer
• Multi-louvered fins and B-type tubes for improved airflow
• Anti-corrosion coating extends service life
• Thermal expansion cuts minimize stress-related damage

Is installation straightforward and truly a direct replacement?

Yes — the 2370 is manufactured to OEM fitment tolerances so it connects to the existing hoses, fan shroud and cooler lines without modifications. The deep-extrusion header tanks and precision welds are assembled to align with factory mounting points for a smooth swap.

• OEM spec dimensions and mounting locations
• Compatible with stock fan shroud and hose connections
• Precision-welded seams reduce leak risk after installation
• Ideal for both professional shops and experienced DIYers

What quality assurances and support do you get?

Each radiator is pressure- and leak-tested to verify integrity before shipment, and corrosion-resistant finishes help protect the assembly in real-world conditions. The product includes a 1-year warranty plus responsive customer service to address fitment or quality questions.

• Rigorous leak and pressure testing prior to shipping
• Corrosion-resistant coating for extended durability
• 1-year limited warranty backed by human support
• Designed and built for repeated heavy-duty use

Who this is for: Drivers and fleet owners who need a reliable, OEM-fit replacement radiator for GM trucks and SUVs—especially those that tow, haul or operate in hot climates. It’s suited for mechanics and knowledgeable DIYers who want a durable, corrosion-resistant all-aluminum core that installs without cutting or custom adapters. If your vehicle matches the listed models and engine sizes and you need to restore cooling performance and prevent overheating, the Autoexact 2370 provides a direct, long-lasting solution.