FOR 01-05 GMC SIERRA SILVERADO 2500 HD 3500 6.6L AT 3-ROW FULL ALUMINUM RADIATOR. This Aluminum Core Radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. Its lightweight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. This Aluminum Radiator is at least 40% more efficient than stock ones.Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient. OEM Replacement for the Stock Unit. High Quality Full T-6061 Aluminum Construction Core. Lightweight Direct Bolt-On OEM Fitment or Replacement. Fits Automatic Transmission Models Without Engine Oil Cooler. Professional Installation is Highly Recommended. Installation Instruction is NOT Included. Video will open in a new window. DOMESTIC LOWER 48 US STATES. We are not responsible for incorrect or undeliverable addresses. Some of the packages cannot be delivered to a PO Box. Package will be held until a valid physical address is provided. For emissions related items, please check with your local jurisdiction for emission specific requirements before purchasing. All items do not come with installation instruction unless otherwise specified. The item "FOR 01-05 GMC SIERRA SILVERADO 2500 HD 3500 6.6L AT 3-ROW FULL ALUMINUM RADIATOR" is in sale since Wednesday, December 11, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Cooling Systems\Radiators & Parts". The seller is "speed_daddy" and is located in City of Industry, CA. This item can be shipped worldwide.