SKP SK904120 Fuel Injector Sleeve

Fuel Injector Sleeve for GM HD Diesel Applications

SKP SK904120 is a fuel injector sleeve for select Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models from 2001-2004. It is a direct-fit service part for the injector bore area, with sleeve and seal application notes listed for the covered vehicles.

Key Features

• Fuel injector sleeve for air and fuel delivery service
• Fits 2001-2004 Chevrolet Silverado 2500 HD, N/A, Sleeve and Seal
• Fits 2001-2004 Chevrolet Silverado 3500, N/A, Sleeve and Seal
• Fits 2001-2004 GMC Sierra 2500 HD, N/A, Sleeve and Seal
• Fits 2001-2004 GMC Sierra 3500, N/A, Sleeve and Seal
• Cross-references 522046 and 904120 for the same application
• Part number SK904120 for catalog and service matching

Detailed Description

SKP SK904120 is built for diesel fuel system service where injector sleeve replacement is required. It serves the injector bore interface on the listed Chevrolet Silverado HD and GMC Sierra HD trucks, helping restore proper sealing and injector location in the cylinder head. For buyers searching for a fuel injector sleeve for 2001-2004 Chevrolet Silverado 2500 HD or a fuel injector sleeve for 2001-2004 GMC Sierra 3500, SK904120 matches the confirmed fitment shown here. The part number SK904120 also cross-references 522046 and 904120 for the same application.

What It Helps Address

• Fuel seepage around the injector sleeve area
• Injector bore wear or damage during service
• Sealing issues at the injector sleeve interface
• Hard-start or rough-running concerns tied to injector sealing problems
• Service replacement needs on GM HD diesel injector bores

Installation Notes and Tips

Confirm engine and injector-bore service requirements before installation. Clean the bore thoroughly, inspect the sealing surfaces, and follow the vehicle service procedure for sleeve and seal replacement. Verify fitment by year, make, model, and application notes before ordering SK904120.