GM Genuine Parts Secondary Air Injection Shut-Off Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These valves regulate the flow of secondary air into the exhaust system. 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). Product Features:Helps maintain controlled air flow to proper air injection componentsSome 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 MotorsGM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicleGM regularly updates production and service part designs to integrate new materials and technologies
