autoexact 34" Aluminum Radiator for Chevy GMC Cadillac Hummer – Direct-Fit 4.3L–6.2L, Multi-Louvered Core

If your Silverado, Sierra, Tahoe, Suburban, Yukon, Escalade or H2 is running hot or the original radiator has failed, the Autoexact 2370 offers a direct-fit, high-performance replacement. Built from premium aluminum with multi-louvered fins, flat-flow tubes and reinforced headers, this unit focuses on efficient heat transfer, leak resistance and corrosion protection while matching OEM mounting points for a no‑modification installation.

Which models and engines will this radiator fit?

This radiator is manufactured to suit a wide range of Chevy, GMC, Cadillac and Hummer vehicles from the late 1990s through 2014, covering common V6 and V8 displacements. Verify years and model designations against your vehicle’s spec to ensure proper compatibility before purchase.

• Fits Chevrolet Avalanche, Silverado 1500/2500/3500, Suburban, Tahoe across listed years
• Compatible with GMC Sierra 1500/2500/3500, Yukon/Yukon XL across listed years
• Works with Cadillac Escalade, Escalade ESV/EXT and Hummer H2 models in stated ranges
• Covers engines: 4.3L, 4.8L, 5.3L, 6.0L, 6.2L as noted in product specs

How does this radiator improve cooling performance?

Thermal management is improved through an aluminum core with multi-louvered fins and flat-flow B-type tubes that increase surface area and airflow. Combined with thermal expansion relief cuts and an anti-corrosion coating, the design helps maintain consistent coolant temperatures under load.

• Multi-louvered fins boost convective heat transfer
• Flat-flow B-type tubes guide coolant with minimal resistance
• Optimized channels enhance airflow through the core
• Protective coating reduces corrosion for longer effective life

Is the Autoexact 2370 durable and leak-resistant?

Durability is addressed through reinforced extrusion header tanks, precision welding, and high-quality seals that reduce leak risk. Each radiator undergoes pressure and leak testing during production to help ensure reliable, long-term operation once installed.

• Deep-extrusion header tanks for structural strength
• Precision welds and premium seals minimize leak points
• Manufacturing pressure testing verifies assembly integrity
• Corrosion-resistant materials extend service life

Will the radiator install easily and match OEM connections?

The Autoexact 2370 is produced to OEM-style dimensions and mounting layouts to allow direct replacement of the original radiator without cutting or custom brackets. It connects to factory hoses, fan shroud and cooler lines, making installation straightforward for experienced DIYers or mechanics.

• OEM-spec mounting points for bolt-on replacement
• Pre-positioned inlet/outlet and cooler ports
• Works with existing fan shroud and hose connections
• Designed for quick swap with no modifications

Who is this radiator for? If you own a compatible Chevrolet, GMC, Cadillac or Hummer from the specified model years and need a dependable, direct-fit replacement—whether due to leakage, core damage, or overheating—the Autoexact 2370 is tailored for technicians, fleet maintainers and DIY owners who want a durable aluminum upgrade. It’s particularly suited for trucks and SUVs that see towing, heavy use, or extended highway driving where efficient cooling is essential. Backed by a one-year warranty and dedicated customer support, it provides a practical balance of performance, fitment accuracy and long-term value.