Shop 2007 Cadillac Escalade EXT Oxygen Sensor. 4.2 liter. All Models; 4.2L; Front. Oxygen Sensor - EMISSION, Liter, Make - OEM Cadillac Part # 12592591

Ft Oxygen Sensor. Sensor, Heated Oxygen (O2) (POSN 1).
Oxygen Sensor.

Oxygen Sensor

Fits Envoy, Envoy XL, Rainier, Trailblazer, Trailblazer EXT

4.2 liter. All Models; 4.2L; Front.
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.