This DELPHI Wheel Speed Sensor (part code SS21301-12B1) is designed to provide precise rotational speed information for each wheel. This data is crucial for the proper functioning of Anti-lock Braking Systems (ABS), Electronic Stability Control (ESC), and traction control systems. A faulty wheel speed sensor can lead to warning lights on your dashboard and compromised safety features. This sensor is manufactured to meet or exceed OE specifications, ensuring reliable performance and a direct fit for your vehicle.