In this schematic the "Damper,generator Driven" is used most often.
The component with the lowest price in the ALTERNATOR schematic is the Screw 4x6.
Parts such as the Alternator: Housing,generator Gear Damper, Frame,end, Cover(2), Alternator Assy are included in the Gsf1200sa 1997 (v) (e02 E04 E17 E18 E22 E24 E25 E34) Alternator parts fiche.