Parts such as the E-9: Oil Seal (hitachi, Cap,terminal, Rotor Core Comp, Housing,out Put ( are included in the Gl1500se 1999 (x) Japan Sc22-110 E-9 parts fiche.
With a quantity of five pieces, the Nut,flange,5mm is the most used part in the E-9 diagram.
Of all the components used in this assembly the Ac Generator Assy is the most expensive.