Shop Cadillac Escalade EXT Oxygen Sensor (Rear, Lower). Oxygen Sensor - Repair or Replace A failed Manifold, LITER - OEM Cadillac Part # 12559850

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

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