Ignition Switch Front Door Lock Cylinders for Chevy Silverado GMC Sierra 03 07
Available to Order
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This Ignition Switch & Front Door Lock Cylinder kit replaces the worn ignition cylinder and front door lock cylinders on 2003-2007 Chevy Silverado and GMC Sierra trucks. The set restores key-operated security and smooth starting when original components fail. The Ignition Switch & Front Door Lock Cylinders are keyed alike, providing convenient single-key operation for the ignition and both front doors.
Key Features & Performance
- Complete set includes ignition lock cylinder and two front door lock cylinders
- Keyed alike with two matching keys for one-key ignition and door access
- Original-style keyway and wafer tumblers provide reliable, long-lasting operation
- Ignition switch incorporates electrical contacts for start, run, and accessory positions
- Directly replaces factory lock cylinders without modification to the steering column or door handles
- Helps resolve common issues like key sticking, no-crank conditions, and door lock binding
Fitment & Compatibility
- 2003-2007 Chevrolet Silverado 1500
- 2003-2007 Chevrolet Silverado 2500HD / 3500HD
- 2003-2007 GMC Sierra 1500
- 2003-2007 GMC Sierra 2500HD / 3500HD
Common Uses
- Replacing a worn ignition cylinder that causes key sticking or intermittent no-start
- Fixing door locks that fail to turn or no longer accept the original key
- Restoring a single-key system after key loss or lock damage
- Rebuilding lock systems on theft-recovery or high-mileage vehicles
- Preventative replacement during steering column or door handle repairs
Technical Specifications
- Kit Includes: 1 Ignition Lock Cylinder, 2 Door Lock Cylinders, 2 Keys
- Compatible Models: Chevrolet Silverado (2003-2007) / GMC Sierra (2003-2007)
- Lock Type: Wafer tumbler lock cylinders
Frequently Asked Questions
Q: Will this ignition switch work if my truck has a Passlock anti-theft system? A: The lock cylinder can be installed, but the Passlock sensor may require a relearn procedure. Check your vehicle's security system requirements before installation.
Q: Do these lock cylinders come keyed alike? A: Yes, all cylinders are keyed alike and include two identical keys so a single key operates the ignition and both front doors.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.