Heres the part number and link for the "2005": YL5Z-99112A15-AA
I bought mine from a Genuine Ford Parts Website - Clearance section, but I'm having a hard time re-finding the link. I'll post it if I find it again. I want to say it was in the $60 range.
Try a Google search for the part number: YL5Z-99112A15-AA