GM Genuine Parts Vapor Canister Vent Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These vapor canister vent valves control the flow of outside air in and out of the charcoal canister. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Allows ending computer to check the EVAP system for leaks
• Helps control fresh air flow to the canister
• Sends fuel vapors to the engine for reburn
• Helps control fuel tank pressure
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies