Parts such as the Upper Casing: Washer, Plate (683), Pipe 1, Screw (6g8), Cover, Upper Casing are included in the T9.9elrb/elhb/exhb 2003 Upper Casing parts fiche.
Check out any of the thirty-nine Upper Casing components enlisted.
The lowest price component in this Upper Casing parts-list fiche is the Bolt(62y).