AUDI90 B3 (893, 894, 8A2) 1987-19912.3 E 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!