Filler pocket ring. inner. PartQualifier: inner. A component which prevents leaks at the Fuel Pocket. A Ring that holds the Fuel Pocket to its mounting point. Fuel Filler Neck Mount Plate Gasket. Fuel Filler Neck Seal. Fuel Tank Cap Seal. Fuel Tank Filler Neck Retaining Ring. Part cannot be reused/reinstalled. Included with: Filler Pocket, Fuel Pocket, Hinge assembly, Lid assembly, Shield.