The most reasonably priced component used on the Civic 1998 (w) 2dr Ex Abs (ka) Breather Chamber is the Bolt,flange,6x14.
With a quantity of two pieces, the Clamp D 12.5 Tube is the most used part in the BREATHER CHAMBER diagram.
Some items from this specific schematic: O-ring, 20.6x2.7, Grom, Pcv Valve ., Clamp D 12.5 Tube, Valve Assy,pcv.