The component with the lowest price in the FRONT FORK schematic is the Gasket (nas).
On this parts fiche the Metal,slide is the most specified component.
Parts such as the Front Fork: Guide,spring, Spring,rebound, Damper Assy, Front Fork Lh, Ring,piston are included in the Dr800s 1996 (t) (e04 E18 E22 E34 E37) Front Fork parts fiche.