GM Genuine Parts Vapor Canisters are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These vapor canisters are part of a vehicle's pollution control system and are used to help capture fuel vapors emanating from the fuel tank. They are a component of a vehicle's evaporative emission control (EVAP) system and helps prevent the fuel vapors from reaching the atmosphere while also maintaining proper fuel tank pressures.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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• Helps reduce fuel vapors from entering the atmosphere
• Helps capture fuel vapors to be consumed by the engine
• 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