The sub assemblies and components that make up this Seat/luggage Box include this Seat Comp. Single T3, the most expensive part.
A sample from the products for the Seat/luggage Box include: Rubber,seal, Seat Catch Comp, Stopper Rubber,st, Washer,plain,6mm.
On this parts fiche the Nut,flange,6mm is the most specified component.