The Rivet is the most widely applied product in the KVF750-HDF BRUTE FORCE 750 4X4I EPS 2013 USA Flap ( sixteen times ).
The Washer,3.5x8x1 is the lowest priced item on this Flap schematic.
A sample from the products for the Flap include: Cover,top Inner,rr, Cover,top Inner,fr, Cover,side Inner,lh, Seal,20x300x20.