The most reasonably priced component used on the Gs1000s 1979 (n) Usa (e03) Rear Caripers is the Washer,lock.
Parts such as the Rear Caripers: Caliper Assy,rr, Bleeder, Pin,pad, Seal,piston are included in the Gs1000s 1979 (n) Usa (e03) Rear Caripers parts fiche.
The Suzuki REAR CARIPERS has seventeen products enlisted in the schematic.