Shop Cadillac Escalade EXT Oxygen Sensor (Rear, Lower). 2.4 liter. 2.4 LITER, w/o code: AUA. Sky; 2.4L Liter, EMISSION, AUA - OEM Cadillac Part # 12618011

Oxygen. Sensor.
1st Design. Oxygen Sensor. Assembly - Heated (O2) (POSN 2). Ft. Snsr.

Oxygen Sensor

Fits LaCrosse, Regal, Sky

2.4 liter. 2.4 LITER, w/o code: AUA. Sky; 2.4L; Rear (Position 2).
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.