OE Quality
60-Day Returns

Standard Ignition LX-859 Ignition Control Module
Reliable Ignition Control Module for Lexus and Toyota Vehicles
The Standard Ignition LX-859 ignition control module is designed to provide consistent performance for select Lexus and Toyota models. Engineered to meet OEM specifications, this module ensures proper ignition timing and engine management for your vehicle.
- Compatible with Lexus GS300, IS300, SC300, SC400, and Toyota Supra models
- Part number LX-859 for precise identification and fitment
- Designed to regulate ignition coil firing for optimal engine performance
- Manufactured by Standard Ignition, a trusted name in ignition components
Product Details and Functionality
The LX-859 ignition control module plays a critical role in managing the ignition system by controlling the timing and firing of the ignition coil. This ensures that your Lexus GS300, IS300, SC300, SC400, or Toyota Supra maintains smooth engine operation and efficient combustion. The module is engineered to meet or exceed original equipment standards, providing reliable operation under various driving conditions.
Compatible Vehicles and Common Applications
- Restores proper ignition timing and coil firing in Lexus GS300 and IS300 models
- Addresses ignition control issues in Lexus SC300 and SC400 vehicles
- Suitable replacement for ignition control modules in Toyota Supra models
- Helps resolve engine misfires, stalling, and rough idling related to ignition faults
- Improves overall engine responsiveness and drivability
Installation Notes and Tips
When installing the Standard Ignition LX-859 ignition control module, ensure the vehicle’s ignition system is properly diagnosed to confirm module failure. Disconnect the battery before removal to prevent electrical damage. Follow manufacturer torque specifications for mounting hardware and verify all electrical connections are secure to avoid intermittent issues.
Quality Assurance and Warranty Information
Standard Ignition manufactures the LX-859 ignition control module to meet strict quality standards. While specific warranty details are not provided here, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship. Consult the product packaging or manufacturer documentation for exact warranty terms.
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Lexus | GS300 | N/A | To 2/04 | ||
| 2003 | Lexus | GS300 | N/A | |||
| 2003 | Lexus | IS300 | N/A | |||
| 2002 | Lexus | GS300 | N/A | |||
| 2002 | Lexus | IS300 | N/A | |||
| 2001 | Lexus | GS300 | N/A | |||
| 2001 | Lexus | IS300 | N/A | |||
| 2000 | Lexus | GS300 | N/A | |||
| 2000 | Lexus | SC300 | N/A | |||
| 2000 | Lexus | SC400 | N/A | |||
| 1999 | Lexus | GS300 | N/A | |||
| 1999 | Lexus | SC300 | N/A | |||
| 1999 | Lexus | SC400 | N/A | |||
| 1998 | Lexus | GS300 | N/A | |||
| 1998 | Lexus | SC300 | N/A | |||
| 1998 | Lexus | SC400 | N/A | |||
| 1998 | Toyota | Supra | 3.0L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.