Shop 2003 GMC Envoy XL Oxygen Sensor. 5.3 LITER. All Models; 5.3L; Front. SSR; Front. Oxygen Sensor - LITER, EMISSION, Make - OEM GMC Part # 12567127

Ft Oxygen Sensor. Sensor, Heated Oxygen (O2) (POSN 2).
Oxygen Sensor.

Oxygen Sensor

Fits Envoy XL, Envoy XUV, Rainier, SSR , Trailblazer EXT

5.3 LITER. All Models; 5.3L; Front. SSR; 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.