DWVO 34" Radiator for 1999–2013 Silverado 1500 (No EOC) — Full-Aluminum Direct-Fit with Trans Cooler

This full aluminum radiator is a direct-fit replacement designed for Silverado, Suburban, Tahoe, Avalanche, Escalade and compatible GMC and Hummer V8/V6 models. Built with a 34-inch core, high-density multi-louvered fins and TIG-welded tanks, the unit matches OEM dimensions and mounting points to simplify swap-in installation while offering corrosion-resistant coatings for long service life.

Will this radiator fit my Silverado 1500 without modification?

Yes — the DWVO 34" radiator is manufactured to OE specifications for models listed and replaces OEM part number 22840117 and several common replacement numbers. It is intended for vehicles without the EOC system and uses the original mounting locations and hose connections.

• Direct OEM fit for 1999–2013 Silverado 1500 (no EOC)
• Matches OEM part 22840117 and replacement CU2423
• Pre-drilled mounting points and inlet/outlet locations
• No trimming or custom brackets required for specified models

How durable and reliable is this DWVO replacement radiator?

This radiator combines an aluminum core with PA66 GF30 inlet/outlet tanks and TIG-welded seams for enhanced strength. The high-density fins improve heat transfer while a protective coating helps resist corrosion and environmental wear.

• Aluminum core for efficient heat dissipation
• TIG-welded connections to reduce leak risk
• PA66 GF30 composite tanks for impact resistance
• Protective finish to slow corrosion and extend life

What comes in the box and what tools or parts are needed to install it?

The package contains one complete DWVO radiator and a user manual; the radiator cap is not included. Foam padding protects corners in transit. Professional installation is recommended to ensure proper bleed, torque, and hose routing.

• Included: 1 DWVO complete radiator and user manual
• Not included: radiator cap, coolant, or installation hardware beyond factory reuse
• Recommended: basic hand tools, coolant, and torque wrench for clamp and bracket torque specs
• Professional installation suggested for optimal bleeding and leak checks

How does this radiator affect cooling and transmission oil temperatures?

The radiator includes an integrated aluminum transmission oil cooler to help maintain transmission temperatures under load. The multi-louvered fin design improves coolant-to-air heat exchange, helping stabilize engine operating temperatures during typical driving and towing.

• Integrated aluminum transmission oil cooler included
• High-density fins increase surface area for faster cooling
• Designed to handle daily driving and moderate towing demands
• Coated core reduces risk of premature degradation

Who is this for? The DWVO 34" radiator is aimed at owners and mechanics restoring cooling performance on Chevy and GMC full-size trucks and SUVs built between 1999 and 2013 (without EOC). It’s a practical choice for those who want an OEM-spec replacement with durable construction and a built-in transmission cooler, suitable for routine use, fleet maintenance, or a repair shop replacement job. If you need exact compatibility, check your vehicle’s model year, engine size (4.3L–6.2L ranges listed), and OEM part numbers before purchase to confirm fitment.