<p>Includes: - Ignition Lock Cylinder</p> <p>Fits Models: - Chevrolet Silverado 1500 HD</p> <p>Model Years: - 2003</p> <p>Submodels: - Common trims include WT (Work Truck), LS, LT, and LTZ. Chassis code is GMT800. Body style is Crew Cab and Extended Cab.</p> <p>Engine Options: - Common engine sizes include 4.8L V8 (LQ4), 5.3L V8 (LM7), and 6.0L V8 (LQ4).</p> <p>Description: This ignition lock cylinder is designed specifically for the 2003 Chevrolet Silverado 1500 HD. It replaces the original part to ensure proper ignition functionality and security for your vehicle.</p> <p>Features: - Direct replacement for easy installation - Durable construction for long-lasting performance - Ensures proper ignition operation - Compatible with factory key systems</p> <p>Part Numbers: - ALX-PAU-RB-924-725-CLB11</p>