Buy OEM Pontiac Part # 19211437 (19178952, 19178953, 25162600, 25165118, 25166816, 25171581). Oxygen Sensor. Oxygen Sensor - Repair or Replace A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine

Ft Oxygen Sensor.
1 Wire. Calif. EGR Valve. Exc.Calif. Exc.Extended Build Date. For Connector Stamped #12117385. Oxygen Sensor. Vendor #AFS20. Vendor #AFS21. Vendor:ACDELCO.

Oxygen Sensor

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 Pontiac to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Pontiac genuine parts.