VWPASSAT B3/B4 (3A2, 35I) 1988-19971.9 TDI 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!