Original equipment throttle bodies often fail when moisture and oil intrusion foul the internal electronics. This Dorman OE FIX throttle body features Dorman Sensor Shield technology, a proprietary butterfly shaft seal to prevent future failures from this contamination. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Avalanche 2500: 2002] - [Chevrolet B7: 1999, 2000, 2001, 2002] - [Chevrolet C3500HD: 2001, 2002] - [Chevrolet C4500 Kodiak: 2003] - [Chevrolet C5500 Kodiak: 2003] - [Chevrolet C6500 Kodiak: 1999, 2000, 2003] - [Chevrolet C7500 Kodiak: 1999, 2000, 2003] - [Chevrolet C8500 Kodiak: 2003] - [Chevrolet C8500: 2003] - [Chevrolet Express 3500: 2001, 2002] - [Chevrolet P30: 1998, 1999] - [Chevrolet Silverado 2500 HD: 2001, 2002] - [Chevrolet Silverado 3500: 2001, 2002] - [Chevrolet Suburban 2500: 2001, 2002] - [GMC B7: 1999, 2000, 2001, 2002] - [GMC C3500HD: 2001, 2002] - [GMC C4500 Topkick: 2003] - [GMC C5500 Topkick: 2003] - [GMC C6500 Topkick: 1999, 2000, 2003] - [GMC C7500 Topkick: 1999, 2000, 2003] - [GMC C8500 Topkick: 2003] - [GMC P3500: 1998, 1999] - [GMC Savana 3500: 2001, 2002] - [GMC Sierra 2500 HD: 2001, 2002] - [GMC Sierra 3500: 2001, 2002] - [GMC Yukon XL 2500: 2001, 2002]