Nut. A Solid Metal or Block with a Threaded Hole in The which is used to tighten or Adjust The Fuel Door. Flange. Head Level Sensor.

FLANGE NUT CAP ASSY, BRAKE MASTER CYLINDER RESERVOIR FILLERFender NutFuel Filler Door NutHeadlight Level Sensor NutFog Light NutFuel Tank Shield Nut

Fits Forester, Impreza, Legacy, Outback, STI, Tribeca, WRX