AUDIA8 D2 (4D2, 4D8) 1994-20052.8 i EngineExhaust 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!