AUDITT Roadster (8N9) 1999-20061.8 T quattro 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!