Shop 2012 Cadillac Escalade EXT Oxygen Sensor (Rear, Lower). 2.4 liter. Sky; 2.4L; Rear (Position 2) EMISSION, Liter, Make - OEM Cadillac Part # 12598176 (12586646, 12603814, 213-3909, 2133909)

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

Oxygen Sensor

Fits Sky, Solstice

2.4 liter. Sky; 2.4L; Rear (Position 2). Solstice; Rear (Position 2); 2.4L.
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.