On this parts fiche the Cap,od:11.5 is the most specified component.
Parts such as the Fuel Catch Tank (model W): Clip, Protector(14.5x15.5x600), Bracket,catch Tank, Hose,canister & Carb Purge are included in the Vl1500 Intruder 2000 (y) Usa (e03) Fuel Catch Tank (model W) parts fiche.