This FAE wheel speed sensor, part number 78313, is designed to provide accurate rotational speed data for your vehicle's Anti-lock Braking System (ABS) and Electronic Stability Program (ESP). A malfunctioning wheel speed sensor can lead to illuminated ABS or ESP warning lights, and compromised safety system functionality. FAE sensors are manufactured to meet or exceed OE specifications, ensuring reliable performance and durability. Proper installation is crucial for optimal function.