Standard Ignition LSH129 Headlight Level Sensor - Front Left

Headlight Level Sensor for Lexus LS460 and LS600h

Standard Ignition LSH129 is a plug-in headlight level sensor used to monitor vehicle ride height and help maintain proper headlamp aim. It is a direct-fit electrical sensor for specific Lexus front-left applications, including Lexus LS460 and Lexus LS600h models.

Key Features

• Plug-in connector type for straightforward electrical connection
• Front left headlight level sensor application
• Fits 2009-2013 Lexus LS460, front left, w/o air suspension
• Fits 2008-2013 Lexus LS600h, front left
• Standard Ignition LSH129 replacement part

Detailed Description

Standard Ignition LSH129 is a headlight level sensor that supports the vehicle’s automatic headlamp leveling system by sending position data from the suspension area to the lighting control system. On Lexus LS460 and Lexus LS600h models, this sensor helps the system respond to changes in vehicle stance so headlamp aim stays properly adjusted during normal driving conditions. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues It May Solve

• Headlights pointing too high or too low
• Suspension-related leveling system warning concerns
• Inconsistent automatic headlamp adjustment
• Faulty sensor signal from the front-left leveling position

Installation Notes and Tips

Verify the vehicle application before ordering, especially for 2009-2013 Lexus LS460 front-left models, which are listed without air suspension. Confirm the connector style and mounting location match the original sensor before installation. After replacement, inspect the linkage and surrounding suspension components for wear or damage that could affect sensor readings.

Quality Assurance

Standard Ignition replacement sensors are built for OE-style fit and electrical connection on the listed applications. LSH129 is identified for direct replacement use on the specified Lexus front-left headlight leveling positions.