Shop 2011 Cadillac Escalade EXT Oxygen Sensor (Rear, Lower). 4.3 LITER, front of converter. 4.3 LITER Converter, Front - OEM Cadillac Part # 12567254

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

Oxygen Sensor

Fits Blazer, Bravada, S10 , Sonoma

4.3 LITER, front of converter. 4.3 LITER, rear of converter. Front of converter. Rear of converter. S-Series; 4.3L; All.
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.