APDTY 081123 RABS ABS Anti-Lock Brake Rear Differential Axle Wheel Speed Sensor Fits Various 1990-2011 Dodge Ford Lincoln Mazda Mercury (Check Compatibility Chart To Ensure Proper Fitment) Mounts In The Center Of The Rear Differential Axle Housing Magnetic Sensor Measures The Axle Speed To Inform The ABS Anti-Lock Brake Computer Simple Bolt On Installatoin, No Programing Required Solves C1229 C1230 C1237 DTC Diagostic Trouble Code From A Failed Speed Sensor Replaces F3TZ 2L373-A, F85Z 2L373-AB, DY1123, BRAB130, ALS177