ACDelco Vapor Canister Vent Valve - 214-2164 - O'Reilly Auto Parts Fuel Vapor Canister Valve This valve, when opened, allows air to pass in and out of the vapor canister vent. ACDelco® 214-2320 - GM Original Equipment™ Vapor Canister Purge Valve This original equipment vapor canister vent valve has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. This valve, when opened, allows air to pass in and out of the vapor canister vent. This original equipment vapor canister vent valve has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors An ACDelco GM Original Equipment Vapor Canister Vent Valve is an emission control component and is a GM-recommended replacement for your vehicle’s original component. Vapor Canister Valve ACDelco GM OE/GM Genuine Parts 214-2164 International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.