The Nut,hex Cap 6mm is the lowest priced item on this Ignition Coil schematic.
The Ignition Coil is made up of components including this Coil Comp, Plug Hole which is the most expensive.
With all the components that make up the CIVIC 2004 (4) 4DR EX (KA) IGNITION COIL assembly. The Coil Comp, Plug Hole is the most frequently specified with four applications.