The 2nd Air assembly is constructed from several parts from which the Valve Assembly,second Air is the most expensive.
twenty-eight components are shown in this Vl1500 Intruder 1999 (x) Usa (e03) 2nd Air exploded diagram.
Parts such as the 2nd Air: Bolt, Plate,2nd Air Heat Guard, Hose,2nd Air Valve, Cushion are included in the Vl1500 Intruder 1999 (x) Usa (e03) 2nd Air parts fiche.