The component with the lowest price in the Flap schematic is the Screw.
A sample from the products for the Flap include: Rivet, Screw, Cover,rear Fender,lwr, Stay,rr,lh.
The Kaf620-raf Mule4010 2010 Usa / Trans4x4 Flap consists of twelve pieces with the Flap,rr,lh being the most expensive.