AUDIA4 B8 Avant (8K5) 2007-20152.0 TFSI i Fuel Mixture FormationExhaust Emission ControlSecondary Air InjectionSecondary Air Suction System Article Availability Price PIERBURG 7.21610.00.0 Substitutes Valve, secondary air intake suction Operating Mode: ElectricValve type: Switch ValveVoltage: 12V No results found!