Part Number: 27540AG110 Product Type: ABS Wheel Speed Sensor / Sensor Assembly Position: Front Left / Driver Side Fitment Type: Direct Replacement Other Common Names: ABS Sensor, Front Speed Sensor Replacement Part Number: 27540AG111, 27541A Condition: Brand New Country/Region of Manufacture: China Applicable Brands and Vehicle Models: Subaru Forester 2009–2013 Subaru Impreza 2008–2011 Subaru Impreza WRX 2008–2014 Subaru Impreza STI 2008–2014In the following fault conditions, the ABS sensor usually needs to be replaced: 1. ABS Warning Light Stays On 2. Traction Control or Stability Control Warning Appears 3. Intermittent or Incorrect Wheel Speed Signal 4. ABS Activates Unexpectedly at Low Speed 5. Physical Damage to the Sensor or Cable 6. Corrosion or Contamination Affects Sensor Performance 7. Diagnostic Trouble Codes Confirm Sensor Failure 8. Loss of ABS, TCS, or ESC Function