[Vehicle Fitment]: Compatible with Audi A4/A4 Quattro 2002-2004, S4 2002---Front Left or Right, Driver or Passenger Side. [Reference Number]: 8E0927803A, ALS537. [Function]: Designed to improve the directional stability and steering ability of the vehicle when driving; Effectively transmit the speed of the wheels through the wire harness, back to the anti-lock brake system control module.. [Directly Fit]: OE Replacement ABS Wheel Speed Sensor, Easy installation; Excellent quality materials for a long service lifespan; Output signal stable and Fast response time..
