ITEM NAME:O2 Oxygen Sensor Upstream Air Fuel Ratio for Subaru Impreza Legacy Outback a.imagelink a:hover.imagelink {color:#4b4b4a;.Subaru Outback 2003-2004 4Cyl 2.5L engine. Subaru Impreza 2003-2004 4Cyl 2.5L engine;. Subaru Legacy 2003-2004 all engine;. 1 oxygen sensor 489807. Fits Subaru Baja 2004-2006 4Cyl 2.5L engine, 2003 all engine;.
