Silverado, sierra. Long bed. 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

Express, savana. Cargo, passenger van. Without diesel. Long bed. Silverado, sierra. 8 ft. box. 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

Vapor Canister Purge Solenoid

Incl.Hose. Location-Vapor Canister. Silverado, sierra hybrid. Controls fresh air flow to the canister Sends fuel vapors to the engine for re-burn Helps control fuel tank pressure This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

ACDelcoâ„¢ Oxygen Sensor, Left

All models. 6.0l. All models. 8.1l. Right. All models. 4.8l. All models. 4.3l. Rear, 8.1l. Silverado, sierra. 5.3l. 6.0L, front of converter. Front of converter, 8.1l. Hummer H2.

Oxygen Sensor, Right

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

Oxygen Sensor, Left

All models. 6.0l. Left. 3/4, 1 ton. Left. 1/2 ton. With crew cab pick-up. Rear of converter, 6.0l. 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