<div data-store-description="v1"> <p>2003-2007 Silverado Sierra 2500 HD 3500 Aluminum Radiator Replacement. Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Aluminum Replacement Radiator</p> <p>Fits Models: - Chevrolet Silverado 2500 HD - Chevrolet Silverado 3500 - GMC Sierra 2500 HD - GMC Sierra 3500</p> <p>Model Years: - 2003–2007</p> <p>Submodels: - Common trims include WT (Work Truck), LT, LTZ - Chassis codes: GMT800, GMT900 - Body styles: Crew Cab, Extended Cab, Regular Cab</p> <p>Engine Options: - Common engine sizes include 6.0L V8 (LQ4), 6.6L Duramax V8 (LB7, LLY, LBZ), 8.1L V8 (L18)</p> <p>Description: This aluminum replacement radiator is designed for the 2003–2007 Chevrolet Silverado 2500 HD and 3500, as well as the GMC Sierra 2500 HD and 3500. It offers superior cooling performance and durability, ensuring your vehicle maintains optimal operating temperatures.</p> <p>Features: - High-quality aluminum construction for lightweight and efficient heat dissipation - Direct fit replacement for easy installation - Compatible with both automatic and manual transmission models - Designed to meet or exceed OEM specifications</p> <p>Part Number: DPI 2948</p>