Shop 2003 GMC Sierra 2500 Oxygen Sensor (Rear). 6.0 liter, front of converter. All Models; 4.3L; Front Front, Converter, Liter - OEM GMC Part # 12572705

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

Oxygen Sensor

6.0 liter, front of converter. All Models; 4.3L; Front. All Models; 4.8L; Front. All Models; 6.0L; Front. All Models; 8.1L; Front. All Models; 8.1L; Rear; Right. Front of converter, 6.0L. Front of converter, 8.1L. Front, 6.0 liter. Front, 6.0L. Front, 8.1 liter. Front, 8.1L. Rear of converter, 8.1L. Rear, 8.1 liter. Rear, 8.1L. Silverado, Sierra; 5.3L; 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.