Shop 2005 Buick Century Sensor. Oxygen. (Rear, Lower). 1.6 LITER, SENSORS. Equinox, Terrain; 1.6L Diesel EMISSION, Make, NOX - OEM Buick Part # 55515865 (55501907)

A Sensor which detects the amount of Nox in the exhaust system. Oxygen Sensor. Ft. Nitrogen Oxide (NOx). Snsr.

Fits Equinox, Terrain

1.6 LITER, SENSORS. Equinox, Terrain; 1.6L Diesel; NOX; Rear.
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.