SUBARU GENUINE PARTS. You get 2!
ONE - OEM Subaru Rear Disc Brake Rotor Water and Dust Plug. Subaru part number 26642AE000. Will fit 2008-2016 Subaru Outback, Crosstrek, Impreza, Forester, and Legacy.
This is factory original rubber plug so your rear emergency/parking brake shoes can be adjusted. These are not cheap, plastic aftermarket caps.
Missing rear brake adjustment plugs will allow water and dirt into the drums causing rust, damage, and/or noise. Thanks for looking!