OE Quality
60-Day Returns

Standard Ignition US-399L Ignition Lock Cylinder
Reliable Ignition Lock Cylinder for Lexus IS300
The Standard Ignition US-399L ignition lock cylinder is designed specifically for Lexus IS300 models. This coded ignition lock cylinder comes with two keys and includes installation instructions to ensure a smooth replacement process.
- Coded ignition lock cylinder for enhanced security
- Includes two keys for convenience
- Installation instructions provided
- Designed for column mounting location
- Compatible with Lexus IS300 vehicles
Product Details and Features
The Standard Ignition US-399L ignition lock cylinder is engineered to meet the precise specifications of the Lexus IS300. This part is coded, which means it is programmed to work with your vehicle’s existing key system, providing a secure and reliable ignition solution. The package includes two keys, allowing for immediate use and a spare key for added convenience. Installation instructions are included to assist with proper mounting in the column location, although mounting brackets are not part of this kit.
Common Applications and Problem Solving
- Replacement for worn or damaged ignition lock cylinders
- Resolves issues with ignition key not turning or sticking
- Addresses problems with ignition security and key recognition
- Fixes ignition lock cylinder failures that prevent vehicle start
- Restores proper function to the ignition system in Lexus IS300
Installation Notes and Tips
Installation of the Standard Ignition US-399L ignition lock cylinder is intended for the column mounting location on the Lexus IS300. It is recommended to follow the included instructions carefully to ensure correct alignment and secure fitting. Since mounting brackets are not included, verify the existing hardware is in good condition before installation. Professional installation is advised if you are unfamiliar with ignition system components.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet OEM standards for fit and function. The US-399L ignition lock cylinder undergoes quality checks to ensure durability and reliable performance. This product includes a warranty that covers defects in material and workmanship, providing confidence in your purchase and long-term use.
| Brand | Standard Ignition |
| Part Number | US-399L |
| Coding | Coded |
| Instructions Included | Yes |
| Keys Included | Yes |
| Mounting Bracket(s) Included | No |
| Mounting Location | Column |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Lexus | IS300 | N/A | |
| 2004 | Lexus | IS300 | N/A | |
| 2003 | Lexus | IS300 | N/A | |
| 2002 | Lexus | IS300 | N/A | |
| 2001 | Lexus | IS300 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.