The component with the lowest price in the FRONT COVER schematic is the Screw-washer,5x12.
A sample from the products for the Front Cover include: Cover,l.fr.*y106*, Cover,r.fr.*g122*, Cover,r.fr.*y106*, Cover,rr.c*rp130*.
The Front Cover is made up of components including this Cover,l.fr.*g122* which is the most expensive.