Fuel filler systems and methods of assembling same

A fuel filler system for use in a vehicle, said system comprising:

• a fuel filler tube including an inner surface and a tube end;
• a closure device coupleable within said tube end, said closure device comprising an outer wall and at least one anti-removal structure extending from said outer wall;
• and
• a locking bracket coupled to the inner surface of the fuel filler tube at least partially within said tube end, said locking bracket comprising at least one circumferential section spaced radially inward from the inner surface, wherein said locking bracket defines at least one passage for facilitating proper alignment of the closure device with respect to the fuel filler tube during insertion of said closure device into said tube end, said at least one circumferential section at least partially defining said at least one passage;
• wherein said at least one anti-removal structure is configured to pass through said at least one passage during insertion of said closure device into said tube end.