biggest issues with outside uk purchases is the middle men who all claim to know whats what, heres links to uk suppliers showing part numbers if it helps
http://www.fordpartsuk.com/shop/ford..._f_1145749.htm
or whole kit on ebay which also shows part numbers
http://www.ebay.co.uk/itm/Genuine-Fo...gAAOxyWt5SZmJy
and with idler wheel
http://www.ebay.co.uk/itm/Genuine-Fo...IAAOxyoahSZmOF