If it does start reeking, you could just throw some Gorilla tape over it (I would not trust silicone sealer, or Plasti Dip, potentially getting into the fuel system).
It's cool that our in-tank pumps are so accessible, as on my Z28, the whole tank, and a bunch of other stuff had to be fully dropped out of the car, in order to get to the pump.
I never realized that Delphi made parts for Ford.