Shop 2004 Buick Century Oxygen Sensor (Rear, Lower). 3.6 LITER, at converter. Equinox, Torrent; 3.6L; At EMISSION, Converter - OEM Buick Part # 12596688

Oxygen. Sensor.
Oxygen Sensor. Assembly - Heated (O2) (POSN 2). Ft. Snsr.

Oxygen Sensor

Fits Equinox, Torrent

3.6 LITER, at converter. Equinox, Torrent; 3.6L; At 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.