2015 LEXUS GS350 FRONT LEFT ABS SPEED SENSOR. LEXUS GS350 2013-2015. 2013 LEXUS GS350 FRONT LEFT ABS SPEED SENSOR. 2014 LEXUS GS350 FRONT LEFT ABS SPEED SENSOR. The ABS wheel speed sensor is a vital component of the Anti-lock Braking System (ABS) and plays a crucial role in maintaining safe braking performance.