Of all the components used in this assembly the Cover,front Fender,lh is the most expensive.
A sample from the products for the Flap include: Insulator,inner Flap,, Rivet,3.2x8, Rivet, Bracket,inner Flap,rh.
The component with the lowest price in the Flap schematic is the Washer,3.5x8x1.