Buy OEM Mercury Part # 7T4Z12A699A (7T4Z-12A699-A, 7T4Z12A699AB). Ignition Knock (Detonation) Sensor. Knock Sensor - Repair or Replace A failed Knock Sensor will often have no noticeable symptoms beyond

Sensor. Knock. Engine. KNOC. Ignition (Detonation).
Ignition Knock (Detonation) Sensor. To 01/18/2022.

Ignition Knock (Detonation) Sensor

Knock Sensor - Repair or Replace
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 Mercury to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Mercury genuine parts.