The most reasonably priced component used on the C90st Cub 1999 (x) Mexico / Csw Ss Rear Cushion is the Washer,plain,12mm.
This Rear Cushion diagram displays the required parts for the C90st Cub 1999 (x) Mexico / Csw Ss Rear Cushion.
On this parts fiche the Washer,sprkt Sett is the most specified component.