Mbrooks420, that listing is for a Dorman X576-049. Dorman lists that tank as for a 2000 Ford Explorer 2-door, not for a 2005 4-door Explorer. Dorman does not make a tank for the 2002-2005 third generation Explorers.
The Ford part number is 4L2Z-9002-CC. FordPartsGiant.com and TascaParts.com both list this as discontinued and no longer available. It looks like the only "OEM" tanks are going to new/old stock parts that are left in some warehouse somewhere.
Maybe someone else sells a compatible tank, but I haven't found a listing for one.