Bosch part 0986 AH0 602 - 424 Land Rover Discovery.
Nigel
Thats a generic 12 volt 30 amp 5 pin diode relay available from any good auto electric outlet. I would be tempted to buy a couple of 40 amp diode protected ones then they can be swapped out for any other on a Morgan, not to mention being less stressed in fuel pump application.