The 30mhw/erw/ehw 1998 Bottom Cowling consists of twenty-nine pieces with the Cowling, Bottom being the most expensive.
Some items from this specific schematic: Bolt, With Washer(6b0), Emergency Signal Light Assy, Coller (6e9), Washer, Plate(6j8).
The lowest price component in this Bottom Cowling parts-list fiche is the Bolt, Flange(6j8).