This FEBI BILSTEIN wheel speed sensor, part number 173155, is engineered to provide precise rotational speed information for your vehicle's braking and stability systems. Proper functioning of the wheel speed sensor is crucial for the Anti-lock Braking System (ABS) and Electronic Stability Program (ESP) to operate effectively. A faulty sensor can lead to warning lights on your dashboard and compromised vehicle safety. FEBI BILSTEIN is known for its commitment to quality and durability. This sensor is designed to meet or exceed original equipment specifications, ensuring a reliable fit and long-lasting performance. Installation is straightforward, designed to be a direct replacement for your vehicle's original part.