The OEM bolt holds the fuel injector to the cylinder head. A new bolt guarantees the right fit for precise torque, guaranteeing the job is completed correctly.
2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel: 2001, 2002, 2003, 2004
2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel: 2001, 2002, 2003, 2004