Dorman 502-551 Diesel Fuel Injector Pump Compatible with Select Chevrolet/GMC Models

This diesel fuel injection pump has been thoroughly remanufactured using an exclusive process to ensure optimum quality and reliability. Critical components are replaced and clearances are verified after cleaning, reassembly and testing. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet C4500 Kodiak: 2003, 2004] – [Chevrolet C5500 Kodiak: 2003, 2004] – [Chevrolet Silverado 2500 HD: 2001, 2002, 2003, 2004] – [Chevrolet Silverado 3500: 2001, 2002, 2003, 2004] – [GMC C4500 Topkick: 2003, 2004] – [GMC C5500 Topkick: 2003, 2004] – [GMC Sierra 2500 HD: 2001, 2002, 2003, 2004] – [GMC Sierra 3500: 2001, 2002, 2003, 2004]