Buy Buick Century Oxygen Sensor (Rear, Lower). 5.3 liter, rear of converter. All Models; 5.3L; Rear Left, Right, Liter - OEM Buick Part # 12599866

Oxygen. Sensor. Ft. Snsr.
Calif. Oxygen Sensor.

Oxygen Sensor

5.3 liter, rear of converter. All Models; 5.3L; Rear. Express, Savana; Gas; Front. Rear. Rear of converter, 5.3L. Rear, 5.3 liter. Rear, 5.3L. W/O DIESEL.
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 Buick Century to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Buick genuine parts.