The Side Cover is made up of components including this Battery Box Assy which is the most expensive.
Parts such as the Side Cover: Cover, Side 2, Mold, Fuel Tank, Grommet, Washer, Plate 8107731800 are included in the Xg250 2005 4d62 Belgium 1d4d6-332g1 Side Cover parts fiche.
On this parts fiche the Grommet(4dn) is the most specified component.