According to the factory specifications. Perfect match for the car. Easy installation. Stable characteristics, high reliability. Perfect fitment with no modification required.<br><br>Name:Oxygen sensor Part Number:22641-AA180 22641AA180 Applicable models: For Subaru Forester 4 Cyl 2.5L DOHC EMPI NA, 4 Cyl 2.5L SOHC EMPI NA 2006-2010 For Subaru Forester 2.5L 4AT X 2009, 2010 For Subaru Forester 2.5L 4AT X Limited 2009, 2010 For Subaru Forester 2.5L 4AT X Premium Plus 2009, 2010 For Subaru Forester 2.5L AT X 2006, 2007, 2008 For Subaru Forester 2.5L AT XT Sports 2008 For Subaru Forester 2.5L MANUAL X 2006, 2007, 2008, 2009, 2010 For Subaru Forester 2.5L MANUAL X Premium Plus 2009, 2010 For Subaru Forester 2.5L MANUAL XT Sports 2008 For Subaru Impreza 4 Cyl 2.0L DOHC EMPI TURBO, 4 Cyl 2.5L SOHC EMPI NA 2006-2011 For Subaru Impreza STI 4 Cyl 2.0L DOHC EMPI TURBO, 4 Cyl 2.5L SOHC EMPI NA 2006-2011 Please check the fitment carefully before buying. It is an excellent fitment and high quality. Great Quality and Great Fitment Colour:As Shown Material:Plastic+Metal<br><br>Package Contents: 1 * Oxygen sensor<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.