Shop Buick Century Ignition Knock (Detonation) Sensor. #2. 2.0 LITER. 2.0 LITER TURBO. 2.0 LITER TURBO LITER, TURBO, Retainer - OEM Buick Part # 55503494

Ignition Knock (Detonation) Sensor. Sensor Assembly - Knock.
Ignition Knock (Detonation) Sensor. Incl.Harness.

Ignition Knock (Detonation) Sensor

Fits Acadia, Blazer, CT4, CT5, CT6, Envision, XT4, XT5, XT6

#2. 2.0 LITER. 2.0 LITER TURBO. 2.0 LITER TURBO, type 2. 2.0 LITER TURBO, w/retainer. 2.0 LITER, w/bolt. 2.0 LITER, w/wire. 2021-25, #2. CT6; 2.0L. Envision; w/Retainer. XT4; Rear. XT5; 2.0L; w/ Retainer. XT6; 2.0L; w/Retainer.
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.