SAAB 9158200 Vacuum valve The catalog lists 4571964 as 9158200. Replaced by 9158200 Found in SAAB Og9-5 2002–2005 Engine › Exhaust gas recirculation · Position 3 SAAB Og9-3 1998–2002 Engine › EGR system · Position 2 SAAB Ng9-3 2003–2004 Engine › Exhaust gas recirculation · Position 3