The Front Brake Caliper assembly is constructed from several parts from which the Caliper Assy (righ is the most expensive.
Some items from this specific schematic: Caliper Assy (righ, Bleed Screw Kit, Bolt, Washer Based(3vd), Pin, Slide.
Of all the components that make up this Front Brake Caliper the Support, Pad has the lowest price.