Of all the components that make up this Carburetor the Screw,pan Head (646) has the lowest price.
This schematic depicts all components used in the Ew50 2003 5wk1 Holland 1b5wk-300f1 Carburetor partslist.
The Carburetor is made up of components including this Carburetor Assy 1 which is the most expensive.