Spark. Helps reduce harmful pollutants from entering the atmosphere Captures fuel vapors to be re-burned in the engine Manufactured to GM OE specification for fit, form, and function

Pressure Sensor Cover

Tank & mounting. 6.0L. 1.5L turbo. 3.6L. Fuel tank & pump. 2.5L. 2.0L turbo. 1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Purge Valve

Spark.

M.A.P Sensor

This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors

Upper Oxygen Sensor

Spark. Position 1. 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

Lower Oxygen Sensor

Manual trans. Spark. Position 2. 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