Buy OEM 2003 Lexus Part # 8917469105 (89174-69105). Air Bag Impact Sensor (Left, Front). Air Bag Crash Sensor - Repair or Replace An airbag or SRS light can sometimes indicate a problem

SENSOR, AIR BAG, FRONT LH

Fits LX 470

Air Bag Crash Sensor - Repair or Replace
An airbag or SRS light can sometimes indicate a problem with the impact sensor on your 2003 Lexus , particularly if it's been involved in a collision—at any speed. Have a technician inspect your vehicle's crash sensor.