The most reasonably priced component used on the Vzr1800z Boulevard M109r 2011 (l1) Usa Calif Canad (e03 E33 E28) Side Cover (vzr1800 L1 E3) is the Screw.
Of all the components used in this assembly the Cover,lwr,l is the most expensive.
A sample from the products for the Side Cover (vzr1800 L1 E3) include: Spacer(6.5x10x11.6), Washer(10.5x20x2.3), Bracket,lwr Cover,l, Cushion.