SAAB 9128022 Vacuum valve The catalog lists 4782058 as 9128022. Replaced by 9128022 Found in SAAB Og9-5 2002–2005 Engine › Exhaust gas recirculation · Position 2 SAAB Og9-3 1998–2002 Engine › EGR system · Position 2 SAAB Og9-3 1998–2002 Engine › APC system · Position 6 SAAB Ng9-3 2003–2004 Engine › Exhaust gas recirculation · Position 2