GMC Envoy Oxygen Sensor - Select Year

Quality: OEM
- Before Catalyst - Pre Converter (Position 2) - w/ Pre Converter (Position 2) -

Quality: OEM
Position: Rear
- After Catalyst - At Catalyst Outlet) - Before Catalyst - Before Catalyst & After Catalyst - Engine - L61 - Position 2 -

Quality: OEM
- After Catalyst - At Catalyst Outlet) - Before Catalyst - Before Catalyst & After Catalyst - Engine - L61 - Position 2 -

Quality: OEM
Position: Front
- Position 1 (In Exhaust Manifold) -

Quality: OEM
- Position 1 (In Exhaust Manifold) -

- Before Catalyst - California - Canada Built - Front - 2 Required Rear - 1 Required - Front - 2 Required Rear - 2 Required - Late Production - Pre Converter (Position 2) - Stamped 12559850 - w/ Canada Built - w/ Canada Built w/ Regular or Flex Fuel Engine - w/ Mexicio or Canadian Built Vehicle
(After Catalyst) - w/ Mexico or Canadian Built Vehicle
(VIN "T")
(After Catalyst) - w/ Pre Converter (Position 2) -

- Before Catalyst - Position 1 (In Exhaust Manifold/ Crossover) -

Quality: OEM
- After Catalyst - Before Catalyst - California - Canada Built - Front - 2 Required Rear - 1 Required - Front - 2 Required Rear - 2 Required - Late Production - Pre Converter (Position 2) - Stamped 12559850 - w/ Canada Built - w/ Canada Built w/ Regular or Flex Fuel Engine - w/ Mexicio or Canadian Built Vehicle
(After Catalyst) - w/ Mexico or Canadian Built Vehicle
(VIN "T")
(After Catalyst) - w/ Pre Converter (Position 2) -

Quality: OEM
- After Catalyst - Before Catalyst - Position 1 (In Exhaust Manifold/ Crossover) -