Shop Buick Century Oxygen Sensor (Upper, Lower). 3.6 LITER. LaCrosse; 3.6L. Regal Sportback; 3.6L LITER, EMISSION - OEM Buick Part # 12669969

Oxygen. Sensor. Snsr. Ft.
Oxygen Sensor.

Oxygen Sensor

Fits LaCrosse, Regal Sportback, Volt

3.6 LITER. LaCrosse; 3.6L. Regal Sportback; 3.6L; Downstream. Regal Sportback; 3.6L; Upstream. Volt; Upper.
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.