Keep your automatic headlamp aim tracking the road with the Standard Ignition Headlight Level Sensor LSH120. This sensor mounts at the rear left position and drops in as a direct-fit replacement for the 2003-2009 Lexus GX470 and 2003-2009 Toyota 4Runner. It reports the vehicle's ride height to the headlamp leveling system so the beams can be adjusted as suspension attitude and load change.
- Function: Senses the suspension/ride-height position and signals the headlight leveling control to keep the beam aim on target.
- Position: Cataloged for the rear left location on the listed applications.
- Direct-fit replacement: Installs on the listed Lexus and Toyota applications to replace a worn or damaged original sensor.
Signs this sensor may need replacing include headlights that aim too high or too low, auto-leveling headlamps that no longer adjust with vehicle load, or a headlight-leveling warning. Because these symptoms can have other causes, diagnose the system before replacing; if a failed level sensor is the cause, this replaces it.
Interchange: HSL120 · HLSC20006 · 8940860011 · HLS554 · 16282410331
Manufacturer part number LSH120.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this headlight level sensor do?
It senses the vehicle's ride-height position and signals the automatic headlamp leveling system, which adjusts beam aim as suspension attitude and load change.
Where is the LSH120 mounted?
It is cataloged for the rear left position on the listed applications.
Which vehicles does the LSH120 fit?
It is a direct-fit replacement for the 2003-2009 Lexus GX470 and 2003-2009 Toyota 4Runner. Check the Buyer's Guide tab to confirm fitment for your vehicle.
What are signs this sensor may need replacing?
Headlights aiming too high or low, auto-leveling that no longer responds to load changes, or a headlight-leveling warning. Diagnose the system first, since these can have other causes.
What other part numbers does this sensor replace?
It interchanges with HSL120, HLSC20006, 8940860011, HLS554, and 16282410331. Its own manufacturer part number is LSH120.
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