Standard Ignition LSH121 Headlight Level Sensor - Rear Left
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Standard Ignition

Standard Ignition LSH121 Headlight Level Sensor - Rear Left

Brand Standard Ignition LSH121
Position Rear Left
Connector Type Plug In
Fits Lexus · 4 vehicles

Plug-in connector. Simplifies installation with a direct electrical connection.

Headlight level sensor. Monitors headlamp aim for proper leveling control.

Cross-references Standard Ignition LSH121, 16282411450 and HLS555 for the same application. See all 5.

$320.22Free shipping
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Headlight Level Sensor for Lexus LX570

Standard Ignition LSH121 is a plug-in headlight level sensor for rear left applications on the Lexus LX570. It is used to monitor suspension or body position so the headlamp leveling system can respond accurately to vehicle attitude changes.

Key Features

  • Headlight level sensor for rear left mounting position
  • Plug-in connector type for direct electrical connection
  • Fits 2008-2011 Lexus LX570, rear left
  • Standard Ignition LSH121 for OE-style sensor replacement
  • Cross-references HLS555 and HLSC20014 for the same application

Product Details

This Standard Ignition LSH121 headlight level sensor is built for 2008-2011 Lexus LX570 models with a rear left sensor location. The plug-in connector type supports straightforward integration with the vehicle’s existing wiring, helping restore proper headlamp leveling input when the original sensor is worn, damaged, or no longer reading position correctly. If you are searching for a rear left headlight level sensor for Lexus LX570 2008-2011, LSH121 is the direct part number to reference.

This part cross-references HLS555 and HLSC20014 for the same application.

What It Helps Address

  • Headlights that do not level correctly after load changes
  • Faulty sensor readings from a worn rear left level sensor
  • Warning conditions related to headlamp leveling input
  • Uneven or inconsistent headlight aim
  • Electrical connection issues at the sensor plug

Installation Notes and Tips

Verify the rear left mounting location before ordering and compare the connector style to the original sensor. Inspect the linkage, mounting points, and wiring harness for wear or corrosion during replacement. Confirm fitment for 2008, 2009, 2010, and 2011 Lexus LX570 models before installation.

Quality Assurance

Standard Ignition supplies replacement electrical components for vehicle repair applications. LSH121 is listed as a direct-fit headlight level sensor for the specified Lexus LX570 fitment.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011LexusLX570Rear Left—
2010LexusLX570Rear Left—
2009LexusLX570Rear Left—
2008LexusLX570Rear Left—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — LSH12116282411450HLS555HLSC20014HSL121