The component with the lowest price in the FRONT BRAKE CALIPER schematic is the Cap.
Parts such as the Front Brake Caliper: Brake Disk, Bracket + Pin + Clip(kit), Screw, Breed, Pad, Caliper (set) are included in the Yq50l 2003 5wj3 Spain 1b5wj-300s2 Front Brake Caliper parts fiche.
Of all the components used in this assembly the Front Caliper Assy is the most expensive.