Air-Fuel Ratio Oxygen Sensor
is a direct fit for the following:
2004-2008 Subaru Forester XT Turbo
2006-2007 Subaru Impreza WRX 2.5L-H4 Turbo
2004-2007 Subaru Impreza WRX STI
Genuine Subaru Part Number:
22641AA450