Parts such as the Ignition Coil-battery: Regulator Assy, Washer,spring 5mm, Battery, Regulator Assy.(n are included in the Civic 1981 (b) 4dr1500 (ka,kh,kl) Ignition Coil-battery parts fiche.
Check out any of the twenty Ignition Coil-battery components enlisted.
On this parts fiche the Plug, Vent is the most specified component.