HomeElectrical, Lighting and Body > SensorsStandard Ignition LSH123 Headlight Level Sensor - Front Right
Part #: LSH123

Standard Ignition LSH123 Headlight Level Sensor - Front Right

Front Right
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$299.05Free Shipping
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus, RX350 and RX450h
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Headlight Level Sensor LSH123

The Standard Ignition Headlight Level Sensor LSH123 is designed specifically for Lexus RX350 and RX450h models. This sensor features a plug-in connector type, ensuring straightforward installation and reliable electrical connection for your vehicle's headlight leveling system.

  • Compatible with Lexus RX350 and RX450h models
  • Plug-in connector type for easy installation
  • Part number LSH123 for precise identification
  • Ensures accurate headlight leveling for improved visibility
  • Manufactured by Standard Ignition, a trusted automotive parts brand

Detailed Product Description

The Standard Ignition Headlight Level Sensor LSH123 plays a critical role in maintaining proper headlight alignment on Lexus RX350 and RX450h vehicles. By detecting the vehicle’s pitch and adjusting the headlight beam accordingly, this sensor helps maintain optimal road illumination and reduces glare for oncoming traffic. The plug-in connector type simplifies the replacement process, minimizing installation time and reducing the risk of connection issues. This sensor is engineered to meet OEM specifications, providing consistent performance and durability under various driving conditions.

Common Applications and Issues Addressed

  • Corrects headlight misalignment caused by vehicle load changes
  • Prevents uneven headlight beam height that can impair night driving
  • Resolves dashboard warning lights related to headlight leveling system faults
  • Improves safety by maintaining proper headlight aim
  • Eliminates flickering or inconsistent headlight adjustments

Installation Notes and Tips

  • Ensure the vehicle is parked on a level surface before installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Use the plug-in connector to secure the sensor firmly in place
  • Verify sensor alignment and calibration after installation
  • Consult the vehicle’s service manual for specific torque specifications and procedures

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The Headlight Level Sensor LSH123 undergoes rigorous quality control testing to guarantee performance and durability. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.

BrandStandard Ignition
Part NumberLSH123
Connector TypePlug In

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2013LexusRX350Front Right
2013LexusRX450hFront Right
2012LexusRX350Front Right
2012LexusRX450hFront Right
2011LexusRX350Front Right
2011LexusRX450hFront Right
2010LexusRX350Front Right
2010LexusRX450hFront Right

* 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:

8940548010HLS558HLSB10007HSL123HST042

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.