<p>Includes: - Ignition Lock Cylinder</p> <p>Fits Models: - GMC K1500 - GMC K2500 - GMC K3500</p> <p>Model Years: - 1990–1991</p> <p>Submodels: - Common trims include base, SL, and SLE - Chassis codes: C/K series - Body styles: Regular Cab, Extended Cab, Crew Cab</p> <p>Engine Options: - Common engine sizes include 4.3L V6, 5.0L V8, 5.7L V8 - Engine codes: L35, L31, L05</p> <p>Description: This ignition lock cylinder is designed for GMC K1500, K2500, and K3500 models from 1990 to 1991. It ensures proper ignition function and vehicle security, making it an essential replacement part for maintaining your truck's performance.</p> <p>Features: - Direct fit for specified GMC models - Durable construction for long-lasting use - Easy installation with standard tools - Restores ignition functionality - Compatible with original key systems</p> <p>Part Numbers: - ALX-PAU-RB-924-791-CLA4</p>