The most expensive part in this assembly is the Alternator Assy.
The thirty-four Gsf1200 2000 (y) (e02 E04 E18 E22 E24 E25 E34) Alternator component parts are all listed in this schematic.
Parts such as the Alternator: Gear,generator Driven, Alternator Assembly, Screw 4x6, Stud Bolt are included in the Gsf1200 2000 (y) (e02 E04 E18 E22 E24 E25 E34) Alternator parts fiche.