Shop OEM GENERAL MOTORS Part # 19178745 (12585549). Oxygen Sensor (Rear, Lower). 3.4 LITER, at converter. 3.4 liter, to converter. Oxygen Sensor - Repair or Replace A failed Oxygen Sensor

Sensor. Oxygen.
Oxygen Sensor. Assembly, Heated (O2). Ft. Snsr.

Oxygen Sensor

Fits Alero, Grand Am

3.4 LITER, at converter. 3.4 liter, to converter.
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.