This is a Genuine Ford Alarm Siren for a Ford Focus Mk1 (2002-2005).
The part number for this is 4433020 / 2M5V-19G229-BB.
Stock Location - SHELF
This will complete as shown in pictures.
Please note, this is Brand New Genuine OEM Ford old stock, but may the odd mark from storage.
Unfortunately I do not have access to correct fitment guides so I stress that you must check part numbers.
Please try to match part numbers as and where possible to avoid disappointment.