This DELPHI wheel speed sensor (part code SS21031-12B1) is engineered to provide precise rotational speed data for your vehicle's anti-lock braking system (ABS) and electronic stability control (ESC). A malfunctioning speed sensor can lead to illuminated warning lights and compromised safety system performance. This sensor is designed as a direct replacement, ensuring easy installation and restoring optimal functionality to your vehicle's safety features. Rely on DELPHI for high-quality components that meet or exceed OE specifications.