Shop 2005 Cadillac Escalade EXT Oxygen Sensor (Rear). 2002-04, 4.0 liter. 2003-06, 4.0 liter. Jeep; Rear Liter, EMISSION, Make - OEM Cadillac Part # 5139021AA (05139021AA, 56044598AA, 56044647AA)

Oxygen Sensor. SensorPKG.
Cylinder 4,5,6. Oxygen Sensor.

Oxygen Sensor

Fits Grand Cherokee, Wrangler

2002-04, 4.0 liter. 2003-06, 4.0 liter. Jeep; Rear; 4.0L; After Converter.
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.