The most reasonably priced component used on the Civic 2004 (4) 4dr Ex (ka) Abs Modulator is the Nut,flange,8mm.
With a quantity of three pieces, the Damper is the most used part in the ABS MODULATOR diagram.
Some items from this specific schematic: Damper, Bracket Comp.,mod, Bolt-wash.,6x16, Damping Screw.