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COLD-CASE Radiators Aluminum Performance Radiator (01-05 6.6L Duramax Silverado 3500 HD)Find parts that fit my vehicle

Item SHS56448
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$685.54 each

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Radiator
      • Material: 100% TIG-Welded Aluminum Construction
      • High-Efficiency Dual 1-Inch Tubes
      • Increases Cooling Capacity Over OEM Radiator
      • Lightweight Yet Durable Design
      • Improves Heat Dissipation and Engine Longevity
      • Two-Hour Installation
      • Limited Lifetime Warranty
      • Fits 2001-2005 6.6L Duramax Silverado 3500 HD Models

      Description

      High-Efficiency Cooling for Heavy-Duty Duramax Engines. The COLD-CASE Radiators Aluminum Performance Radiator 2001-2005 6.6L Duramax Silverado 3500 HD is engineered to deliver superior cooling capacity for one of GM’s most demanding diesel platforms. Designed with oversized aluminum cores, this radiator ensures maximum heat dissipation, keeping your Duramax engine running cooler under towing, hauling, and high-performance conditions.

      All-Aluminum Construction for Strength and Longevity. Built entirely from aircraft-grade aluminum, the COLD-CASE Radiators Aluminum Performance Radiator 2001-2005 6.6L Duramax Silverado 3500 HD resists corrosion, cracking, and fatigue far better than traditional plastic-tank radiators. Its TIG-welded seams and reinforced tanks provide unmatched durability, making it a long-term upgrade for heavy-duty applications.

      Increased Core Thickness for Maximum Cooling. Featuring a high-capacity core with more surface area than OEM designs, the COLD-CASE Radiators Aluminum Performance Radiator 2001-2005 6.6L Duramax Silverado 3500 HD improves coolant flow and thermal efficiency. This design reduces the risk of overheating during extended towing or off-road use, ensuring consistent performance even under extreme load.

      Installation. Putting this COLD-CASE Radiators Aluminum Performance Radiator on your 6.6L Duramax Silverado 3500 HD takes 2 hours to install.

      Warranty. There is a limited lifetime warranty on this product.

      Application. The COLD-CASE Radiators Aluminum Performance Radiator fits 2001-2005 6.6L Duramax Silverado 3500 HD models.

      COLD-CASE Radiators GMT574A

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 2 Hours

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Aluminum Performance Radiator
      4.4

      Customer Reviews (78)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Silverado 3500

      • 6.6L V8 Duramax - 01, 02, 03, 04, 05