The Bilstein B8 TerraSport is a rear shock absorber for the 2009–2013 Subaru Forester, part number 24-320252. It is the single-unit rear replacement in Bilstein's B8 TerraSport line. Choose it when you want a Bilstein rear damper matched to this specific application rather than a generic universal shock. Confirm fitment against your trim and drivetrain before ordering.