Shop 2021 Audi A5 Ignition Knock (Detonation) Sensor. 4.2 LITER, 2004-07, black. A8, S8; 4.2L; Black. Black, LITER, Make - OEM Audi Part # 077905377F (077-905-377-F, 077905377D)

Ignition Knock (Detonation) Sensor.
820mm Harness. Ignition Knock (Detonation) Sensor.

Ignition Knock (Detonation) Sensor

Fits A8, Phaeton

4.2 LITER, 2004-07, black. A8, S8; 4.2L; Black.
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 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.