The seven Civic 1988 (j) 3dr Std (ka,kl) Water Hose component parts are all listed in this schematic.
The lowest price component in this Water Hose parts-list fiche is the Clamp D 12.5 Tube.
With a quantity of ten pieces, the Clamp D 12.5 Tube is the most used part in the WATER HOSE diagram.