Parts such as the Breather Chamber: Set,brthr Chamber, Tube,pcv, Clamp D 13.0 Tube, Tube B,brthr are included in the Civic 2000 (y) 4dr Dx (ka) Breather Chamber parts fiche.
The Bolt,flange,6x14 is the cheapest item from this partsfiche.
With two applications this Clamp,d15 Tube is the most specified part.