The Screw,flat,6x25 is the most widely applied product in the CIVIC 1983 (D) 4DR1500 (KA,KH,KL) REAR DOOR LOCKS ( six times ).
Parts such as the Rear Door Locks: Cover, L. Door Lock, Bolt,lock Striker, Handle Assy R Out, Handle Assy R Ins are included in the Civic 1983 (d) 4dr1500 (ka,kh,kl) Rear Door Locks parts fiche.
The component with the lowest price in the REAR DOOR LOCKS schematic is the Screw,flat,6x25.