The sub assemblies and components that make up this Turn Signals (h1/a Optional) include this Lamp-signal, the most expensive part.
On this parts fiche the Screw-ovl Cntsnk,3x15 is the most specified component.
Parts such as the Turn Signals (h1/a Optional): Bulb 12v 8w, Washer-plain,6mm, Bolt,8x55, Lamp-signal are included in the Kh500a8 1976 Canada Turn Signals (h1/a Optional) parts fiche.