five components are shown in this Civic 2004 (4) 2dr Hx (ka) Ignition Coil exploded diagram.
Some items from this specific schematic: Nut,hex Cap 6mm, Plug Hole Seal, Coil Comp,plug Ho, Coil Comp, Plug Hole.
With a quantity of four pieces, the Coil Comp, Plug Hole is the most used part in the IGNITION COIL diagram.