Brand New Rear Left Abs Wheel Speed Sensor For 2002-2004 Audi A6Replace your prone to fail wheel speed sensors with this new direct replacement sensor. Symptoms of a malfunctioning ABS/SPEED sensor include having your ABS improperly engage or not engage ABS light staying on and poor braking performance. The factory ABS sensors have been known to fail and unfortunately the dealers' solution to this problem is cleaning the sensors rather than replacement which most often results in the reoccurrence of the same ABS problem. Includes 1 sensor with harness connector.Manufacturer: AIP Electronics100% New ConstructionHigh Quality OEM Replacement PartFit and Quality GuaranteedReady for Install Straight out of the boxChannelSaleTech-specs4B0927807L 4B0927807C 5S10473 SU11926 FSE51480