Get a new o-ring for the pressure valve holder, too, that's what is leaking if you have diesel on the outside of the pump.

The one on there is probably as hard as a rock, and you didn't even notice it!

Peter

__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!