This Blower Sub Assy is the most expensive of the items that make up this Heater Blower assembly.
In this schematic the "Screw Tapping 5x16" is used most often.
Parts such as the Heater Blower: Nut Wash, 6mm, Bush,, Blower Sub Assy, Screw Tapping 5x12 are included in the Civic 1993 (p) 2dr Ex (ka,kl) Heater Blower parts fiche.