The most reasonably priced component used on the Gl1200d Goldwing 1987 (h) E-8 Oil Pump is the Screw,cross 5x12.
With a quantity of three pieces, the Screw Cross 6x28 is the most used part in the E-8 OIL PUMP diagram.
Parts such as the E-8 Oil Pump: Dowel,pin,8x14, O Ring,29.5x2.2, Bolt,flange,6x18, Rotor,pump Outer are included in the Gl1200d Goldwing 1987 (h) E-8 Oil Pump parts fiche.