Parts such as the Backup Lamp (optional): Cushion No.2, Washer, Lens,back Up Lamp, Nut are included in the Ltf4wdx 1997 (v) Sweden New Zealand (e17 E27) Backup Lamp (optional) parts fiche.
The Backup Lamp (optional) is made up of components including this Backup Lamp & Buzzer Switch which is the most expensive.