If you do order anything from ebay, check all the pictures and info.
If anything doesn't match, don't buy it. Many times I've seen glowplugs advertised as BERU/ZD-11, and they'll use a stock photo from the real stuff, but actually be selling Chinese junk.
These appear to be genuine Motorcraft.
Look at this on eBay http://www.ebay.com/itm/201250880023