FITS - Compatible with for Chrysler 300 2011-2014; Compatible with for Dodge Challenger 2011-2014, Charger 2011-2014---Front Left or Right, Driver or Passenger Side. REFERENCE NUMBER - 4779639AB, 4779639AD, 4779639AA, ALS2248, 5S12836, 2ABS2659, AB1012. DETERMINE LOCKING UP OR NOT FAST- Our ABS sensors are able to measure the rotational speed of the wheels and pass them fast to the car's Engine Control Module (ECM), based on which the ECM determines if the wheels are locking up.
