SENSOR ASSEMBLY-KNOCK Ignition Knock (Detonation) Sensor
Fits WRX (2006 - 2019)
Knock Sensor
A failed Knock Sensor will often have no noticeable symptoms beyond a check engine light or engine ping or knock, but it does cause your Subaru to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Subaru genuine parts.