Shop 1997 Buick Century Oxygen Sensor (Upper, Lower). CANISTER & SENSORS, 3.0 liter. CANISTER & SENSORS CANISTER, SENSORS - OEM Buick Part # 12648137

Oxygen. Sensor. Snsr. Ft.
Oxygen Sensor.

Oxygen Sensor

Fits CT5, CT6

CANISTER & SENSORS, 3.0 liter. CANISTER & SENSORS, 3.0L twin-turbo. CT5; 3.0L; Upstream. CT6; 3.0L; Front.
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.