Buy 2003 Lexus GX 470 Suspension Ride Height Sensor (Left, Rear). Active Suspension System Height Electrical, SUSPENTION - OEM Lexus Part # 8940860011 (89408-60011)

SENSOR SUB-ASSY, HEIGHT CONTROL, REAR LH

Fits GX 470

Active Suspension System Height Sensor - Repair or Replace
If the ride height sensor has failed, you might not be able to adjust the ride height in your 2003 Lexus GX 470, or it may be stuck at minimum height.