This FEBI BILSTEIN wheel speed sensor, part number 40475, is engineered to provide accurate rotational speed data to your vehicle's anti-lock braking system (ABS) and electronic stability program (ESP). Ensuring the correct functioning of these critical safety systems is paramount. A faulty wheel speed sensor can lead to illuminated ABS or ESP warning lights on your dashboard, and compromised performance of these safety features. FEBI BILSTEIN is known for its commitment to quality and reliability, manufacturing parts that meet or exceed original equipment specifications. This sensor is built to withstand the demanding conditions of the road, offering durability and consistent performance.