Description: 4.3, 5.3, 6.2L. Location-Vapor Canister. Silverado, sierra. 5.3l. Silverado, sierra. 6.2l. Silverado, sierra. 2.7l. With regular cab. Without 8' box. Silverado, sierra. 4.3l.

Description: GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle's original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment vapor canister purge valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Description: GM Genuine Parts Vapor Canister Purge Pumps are designed, engineered, and tested to rigorous standards, and are backed by General Motors.  GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. 

Description: 2.7L.

Description: Upper. 2.7L. 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