The Honda WATER VALVE has nine products enlisted in the schematic.
The sub assemblies and components that make up this Water Valve include this Hose A Water In, the most expensive part.
Parts such as the Water Valve: Clamp, Water Hose 21, Hose Water Outlet, Hose A Water In, Hose B Water In are included in the Civic 2000 (y) 2dr Ex Abs (ka) Water Valve parts fiche.