On this parts fiche the Collar C is the most specified component.
A sample from the products for the Cruise Valve/actuator include: Bolt,flange,6x20, Grommet,grip Canc, Holder B,coupler, Cable,comp Actuat.
The most reasonably priced component used on the Gl1500se Goldwing Special Edition 1991 (m) Finland / Kph Cruise Valve/actuator is the Screw,cross,5x12.