Of all the components used in this assembly the Backup Lamp & Buzzer Switch is the most expensive.
Parts such as the Backup Lamp (optional): Clamp(l:125), Washer,lock, Spacer,backup Lamp, Backup Lamp & Buzzer Switch are included in the Ltf4wdx 1998 (w) Sweden New Zealand (e17 E27) Backup Lamp (optional) parts fiche.