Parts such as the Oil Pan: Washer, Gasket(10x14x3.6) (nas), Gasket,oil Pan (mca), Nut are included in the Gs750en 1977 (b) Usa (e03) Oil Pan parts fiche.
The sub assemblies and components that make up this Oil Pan include this Pan,oil, the most expensive part.
The lowest price component in this Oil Pan parts-list fiche is the Bolt.