Shop Buick Century Oxygen Sensor (Rear, Lower). CANISTER & SENSORS, 4.2L twin-turbo, bank 2 sensor 1 Bank, CANISTER, SENSORS - OEM Buick Part # 12679686

Sensor. Oxygen. Ft. Snsr.
Oxygen Sensor.

Oxygen Sensor

Fits CT6

CANISTER & SENSORS, 4.2L twin-turbo, bank 2 sensor 1. CT6; 4.2L; Bank 2 Sensor 1.
Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.