1. Product Overview
The ATRACYPART Ignition Switch Lock Cylinder with Keys is a direct replacement component designed to restore proper ignition function in compatible vehicles. This product addresses common issues such as worn-out original ignition switches that may cause sticking or failure. It is engineered to meet OEM specifications, ensuring reliable performance and maintaining the vehicle's anti-theft functions.

Image 1.1: The Ignition Switch Lock Cylinder with its accompanying keys.
2. Key Features
- Direct OEM Replacement: Engineered to be an exact fit and function replacement for the original ignition switch, addressing wear and failure.
- Premium Quality Construction: Manufactured from high-quality materials, including brass contact points, to ensure long operating life and excellent performance.
- Enhanced Durability: Rigorously tested to ensure high quality and better durability, providing reliable operation.
- Anti-Theft Function Retention: Designed to retain the vehicle's original anti-theft features.
- Easy Installation: Designed for straightforward installation, often requiring no special tools.
- Includes Multiple Keys: Comes with three new keys for immediate use.

Image 2.1: Overview of product features and typical installation location.

Image 2.2: Detailed views highlighting the wear resistance and durable construction of the cylinder.
3. Compatible Vehicles
This ignition switch lock cylinder is compatible with a wide range of General Motors vehicles. Please verify your vehicle's specific year, make, and model against the list below and compare with the provided OE replacement numbers to ensure proper fitment. The details of car parts can vary significantly by year.
OE Replacement Numbers: 924-796, 19120038, 15919460, 15794826

Image 3.1: Comprehensive list of compatible vehicle models and years.
Compatible Models List:
- Chevy:
- 2007-2014 Silverado 1500/2500/3500
- 2007-2014 Suburban 1500/2500
- 2008-2014 Express 1500/2500/3500/4500
- 2009-2016 Impala
- 2005-2006 Uplander
- 2008-2013 Cheyenne
- 2007-2013 Avalanche
- 2007-2014 Tahoe
- GMC:
- 2007-2014 Savana 1500/2500/3500/4500
- 2007-2014 Sierra 1500/2500/3500
- 2007-2014 Yukon
- 2007-2013 Yukon XL 1500/2500
- Cadillac:
- 2004-2009 SRX
- 2007-2014 Escalade
- Buick:
- 2009 LaCrosse
- 2009-2011 Lucerne
- Hummer:
- 2008-2009 H2
4. Package Contents
Upon opening the package, please ensure all components are present and undamaged.
- 1 x Ignition Switch Lock Cylinder
- 3 x Keys

Image 4.1: Contents of the product package.
5. Installation
The ATRACYPART Ignition Switch Lock Cylinder is designed for easy installation and typically does not require special tools. However, automotive repair can be complex. If you are not confident in performing the installation yourself, it is highly recommended to seek assistance from a qualified automotive technician.
General Installation Guidance:
- Safety First: Disconnect the vehicle's battery before beginning any work on electrical components to prevent accidental short circuits or injury.
- Access the Ignition Cylinder: Depending on your vehicle model, you may need to remove trim panels around the steering column to access the ignition switch assembly. Refer to your vehicle's service manual for specific instructions.
- Remove Old Cylinder: Follow your vehicle's specific procedure for releasing and removing the old ignition lock cylinder. This often involves inserting the key and turning it to a specific position while depressing a release pin.
- Install New Cylinder: Insert the new ATRACYPART ignition lock cylinder into the housing, ensuring it seats correctly and the release pin engages.
- Test Functionality: Before reassembling the trim, reconnect the battery and test the new ignition cylinder with the provided keys to ensure it operates smoothly through all positions (OFF, ACC, ON, START).
- Reassemble: Carefully reassemble all removed trim panels and components.
Note: This ignition cylinder is designed without a transponder chip. Therefore, no key programming is required for this specific component. If your vehicle's original key had a transponder chip for engine immobilization, you may need to transfer the chip to the new key or use a separate key for remote functions if applicable. This product only replaces the mechanical lock cylinder.

Image 5.1: Proper installation ensures reliable connection and function.
6. Operation
Operating the new ignition switch lock cylinder is straightforward and functions identically to your vehicle's original part.
- Insert Key: Insert one of the provided keys fully into the ignition lock cylinder.
- Turn to Position: Turn the key clockwise to the desired position:
- OFF/LOCK: Engine off, steering wheel locked (if applicable). Key can be removed.
- ACC (Accessory): Powers accessories like radio, windows, etc., without starting the engine.
- ON/RUN: All electrical systems are powered, and the engine is ready to start or is running.
- START: Engages the starter motor to crank the engine. The key will spring back to the 'ON/RUN' position once released.
Ensure the key turns smoothly and without excessive force. If you encounter resistance, do not force the key; ensure it is fully inserted and the steering wheel is not locked under tension.
7. Maintenance
The ATRACYPART Ignition Switch Lock Cylinder is designed for long-term durability and typically requires minimal maintenance. However, following these general guidelines can help ensure its longevity:
- Keep Keys Clean: Avoid getting dirt or debris on your keys, as this can transfer into the lock cylinder and cause wear or sticking over time.
- Avoid Excessive Force: Do not force the key if it resists turning. Ensure the key is fully inserted and the steering wheel is not under pressure (gently wiggle the steering wheel while turning the key if it's stuck in the lock position).
- Lubrication (If Necessary): If the lock mechanism feels stiff over time, a small amount of graphite lubricant or a specialized lock lubricant (not oil-based lubricants) can be applied to the key and inserted into the cylinder. Consult a professional if unsure.
- Regular Inspection: Periodically check the key for signs of wear or bending. A worn key can damage the internal tumblers of the lock cylinder.

Image 7.1: Regular inspection and proper care contribute to product longevity.
8. Troubleshooting
If you encounter issues after installing your new ignition switch lock cylinder, consider the following common scenarios:
| Problem | Possible Cause | Solution |
|---|---|---|
| Key does not turn or is stiff. | Steering wheel locked under tension; incorrect key insertion; debris in cylinder. | Gently wiggle the steering wheel while turning the key; ensure key is fully inserted; inspect for debris. |
| Engine does not start after turning key. | Battery issue; starter motor issue; fuel system issue; vehicle's anti-theft system (if separate from cylinder). | Check battery terminals and charge; consult a mechanic for other system checks. Note: This cylinder does not contain a chip, so it does not require programming for engine start. If your vehicle has a separate transponder system, ensure that system is functioning correctly with your vehicle's original key or a properly programmed transponder. |
| Key cannot be removed in OFF position. | Cylinder not fully seated; shifter not in Park (P) or Neutral (N). | Ensure cylinder is fully installed; confirm shifter is in Park or Neutral. |
If troubleshooting steps do not resolve the issue, it is recommended to consult a certified automotive technician.
9. Specifications
| Specification | Detail |
|---|---|
| Model Number | 924-796 |
| OE Replace # | 924-796, 19120038, 15919460, 15794826 |
| Product Dimensions (L x W x H) | 2.76 x 2.17 x 2.76 inches |
| Item Weight | 4.66 ounces |
| Manufacturer | ATRACYPART |
| Operation Mode | Manual |
| Contact Type | Normally Open |
| Connector Type | Plug In |
| Terminal Type | Screw |
| Circuit Type | 1-way |
| Actuator Type | Rotary |
| Contact Material | Brass |
| International Protection Rating | IP00 |
10. Warranty and Support
ATRACYPART stands behind the quality of its products.
12-Month Warranty:
This Ignition Switch Lock Cylinder comes with a 12-month warranty from the date of purchase. If for any reason you are not fully satisfied with the product, or if it experiences a defect within the warranty period, you are eligible for a carefree replacement or refund.
Customer Support:
For any questions, concerns, or warranty claims, please contact ATRACYPART customer support through the Amazon messaging system. Provide your order details and a clear description of the issue to facilitate a quick resolution.