Buy OEM GENERAL MOTORS Part # 12591625 (10456215). Ignition Knock (Detonation) Sensor. 3.8 liter. All Models. All Models; 3.8L. Bonneville, LeSabre. Bonneville, LeSabre; 3.8L. Grand Prix

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

Ignition Knock (Detonation) Sensor

3.8 liter. All Models. All Models; 3.8L. Bonneville, LeSabre. Bonneville, LeSabre; 3.8L. Grand Prix. Grand Prix; 3.8L. Impala, Monte Carlo; 3.8L. LaCrosse; 3.8L. Lucerne; 3.8L. Park Avenue. Riviera.
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.