It appears they only sell it with the entire fuel door.
Part number FJA3089AG
These guys let you search by part number : http://www.gaudinjaguarparts.com/par...&siteid=214626
I am out of town so I cannot look at my car...maybe someone else can chime in on how easy the clip is to remove from the door, because otherwise you would have to have the new door painted.
Also, it is still best to call whichever dealer you buy from and give them your VIN to be certain of the correct apart.
Also these guys also have lots of used parts:
Unlimited Stock of Parts for almost any make or model Jaguar