Some items from this specific schematic: Cable W/v Contl, Motor Assy Mode, Nut,flange,8mm, Heater Unit Assy.
This schematic depicts all components used in the Civic 1998 (w) 4dr Gx (ka) Heater Unit partslist.
The most reasonably priced component used on the Civic 1998 (w) 4dr Gx (ka) Heater Unit is the Screw Tapping 5x12.