I only have a D2 5J book but the motor is the same, they changed the fuel pump design in 1939 so it looks like you need
5B9692 Gasket (on the base)
4B5666 Gasket
4B9051 Seal (2 needed for pump shaft sealing)
7B0305 Seal
Hope that helps.
Mike
Thanks Mike that is what I needed.