Shop 1999 Buick Century Oxygen Sensor (Rear). 2.5 LITER, auto trans. 9-2x; 2.0L; Rear Converter; Auto Auto, EMISSION, Trans - OEM Buick Part # 32005986

Oxygen Sensor.
Oxygen Sensor.

Oxygen Sensor

Fits 9-2X

2.5 LITER, auto trans. 9-2x; 2.0L; Rear Converter; Auto Trans.
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.