Dorman 989 000 Ignition Lock Cylinder for Select Chevrolet GMC Models

Dorman Ignition Lock Cylinders are part of the Ignition Lock Assembly. The purpose of the Ignition Lock Cylinder is to provide a level of security that requires a coded metal Ignition Key in order for the vehicle Ignition Switch to be operated and energized, thereby allowing the vehicle to be started and operated. Failure is due to wear and tear from continual key rotation. Vehicle model years this part fits: Chevrolet Blazer: 1998 Chevrolet C1500: 1998 Chevrolet C2500: 1998, 1999, 2000 Chevrolet C3500: 1998, 1999, 2000, 2001, 2002, 2003, 2004 Chevrolet C3500HD: 1998, 1999, 2000, 2001, 2002 Chevrolet K1500: 1998 Chevrolet K2500: 1998, 1999, 2000 Chevrolet K3500: 1998, 1999, 2000 Chevrolet S10: 1998 GMC C1500: 1998 GMC C2500: 1998, 1999, 2000 GMC C3500: 1998, 1999, 2000 GMC C3500HD: 1998, 1999, 2000, 2001, 2002 GMC Jimmy: 1998 GMC K1500: 1998 GMC K2500: 1998, 1999, 2000 GMC K3500: 1998, 1999, 2000 GMC Sonoma: 1998