I would say if that dont work, call tousleyfordparts.com if they wont give you the part number, they will probably have the best price on it as they discount for forum users.
OEM FUEL PUMP SENDING UNIT 2005-2006 FORD SUPER DUTY 6.0L DIESEL #5C3Z-9275-BA
Description: Brand new OEM Fuel Pump and Sending Unit that is a direct factory replacement for the 2005-2006 Ford F-250/350/450/550 Super Duty with 6.0L Diesel Engine. Fits 142" Wheelbase with Stock Fuel Tank.
** Will also fit 156" Wheelbase if truck has Mid-Ship Fuel Tank.
Part Number: 5C3Z*9275*BA