Parts such as the Front Cushion: Pipe R.slide, Seat,fr.cush.spg., Spring,rebound, Dust Seal,fr.fork are included in the Cf50p Japanese Home Market (cf50-370) Front Cushion parts fiche.
Of all the components used in this assembly the Pipe.r.slide is the most expensive.
Check out any of the nineteen Front Cushion components enlisted.