Engine Ignition Knock Sensor is a direct fit for the following:

2004-2006 Subaru Baja (2.5L-H4 Turbo)

2004-2005 Subaru Forester XT (2.5L-H4 Turbo)

2004-2006 Subaru Impreza WRX STI (EJ255)

2005-2006 Subaru Legacy GT (2.5L-H4 Turbo)

2005-2006 Subaru Outback XT (2.5L-H4 Turbo)

2.5L-H4 (EJ255) Engines Only!

Genuine Subaru Part Number: 22060AA111