This Tank, Oil is the most expensive of the items that make up this Rpservoir A Huile assembly.
Parts such as the Rpservoir A Huile: Damper, Locating 1, Damper, Locating 1, Oil Tank Cap Assy, Tank, Oil are included in the Sh50 1987 2kg France 272kg-351f2 Rpservoir A Huile parts fiche.
In this schematic the "Damper, Locating 1" is used most often.