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

Solenoid

Sierra, silverado. Regular cab. 6 ft. box. 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

Purge Valve

Controls vapor flow from canister to engine

M.A.P Sensor

Without diesel, 4.8, 5.3 & 6.0L. Without diesel, 4.3L.

Upper Oxygen Sensor, Right

Double & crew cab. Tahoe, Yukon, Escalade. Left. Sierra, silverado. Upper. Right. Suburban, Yukon XL. Front. Escalade ESV. Regular cab. 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