Shop 1999 Buick Century Oxygen Sensor. 4.2 LITER. 9-7x; 4.2L; Front. Oxygen Sensor - Repair or EMISSION, LITER, Make - OEM Buick Part # 12592591

Ft Oxygen Sensor.
Oxygen Sensor.

Oxygen Sensor

Fits 9-7x

4.2 LITER. 9-7x; 4.2L; 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.