3.4l. Without awd. Without extended. S-series. 4.3l. All. Exc.Extended Wheelbase. 4 door. 5.3L. Helps reduce harmful pollutants from entering the atmosphere Captures fuel vapors to be re-burned in the engine This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Purge Valve

Controls vapor flow from canister to engine

4.2L. 5.3L.

Ft Oxygen Sensor

Canyon, Colorado. Without 5.3l. Front. All models. 4.2l. Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Rear Oxygen Sensor

Canyon, Colorado. Without 5.3l. 4.2L. 2.2L, at converter. Malibu, Malibu Maxx. 2.2l. G6. 2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors