Description: An ABS sensor is a wheel speed sensor that helps your car's ABS system know when to engage. The ABS system is designed to kick in during emergency braking situations to help prevent your wheels from locking up. This, in turn, helps you maintain control of your vehicle and avoid accidents. Specifications: Type: ABS Wheel Speed Sensor Placement on Vehicle: Front Left & Right Interchange Part Number: ALS2622 Package Includes: 2 Pcs ABS Wheel Speed Sensor Fitment: .