The component with the lowest price in the SIDE COVERS schematic is the Screw,6x14.
A sample from the products for the Side Covers include: Grommet,side Cover, Cover-side,lh,c.w.red, Screw,6x14, Grommet.
five components are listed in the schematic for this Z550g2 Gt550 1984 United Kingdom Fr Fg Side Covers .