This DELPHI wheel speed sensor, part code SS21283-12B1, is designed to provide precise rotational speed information for each wheel. This data is crucial for the proper functioning of your vehicle's Anti-lock Braking System (ABS) and Electronic Stability Control (ESC) systems. A malfunctioning speed sensor can lead to warning lights on your dashboard and compromised safety features. Engineered for reliable performance and durability, this sensor ensures your vehicle's safety systems operate as intended.