The Nut,flange,8mm is the lowest priced item on this Breather Tube-oil Filter schematic.
The twenty-three Civic Wagon 4wd 1986 (g) Wgn 4wd (ka,kl) Breather Tube-oil Filter component parts are all listed in this schematic.
A sample from the products for the Breather Tube-oil Filter include: Spacer,oil Filter, Grom,pcv Valve, Gauge Comp.,oil L, Paking,oil Filter.