Fuel pump
The actual pump motor inside the FDM is the same; the valve head on top of the FDM, and the strainer on the bottom are the same; the fuel lever sender electrical portion is the same. The FDM reservoir, and the plate with the tubes, and the float, and the float arm are different for each tank. For more info, read all the captions in this photo album:
(phone app link)
(phone app link)

