call a Yanmar Authorized dealer they can recommend the the right filters once you give them the engine model number and serial number.
However, I do have this engine on my boat. I have a different Racor water/fule separator/filter. But if you have a 110 Racor, this is what found for the filter:
As far tricks for minimzing air, before reinstalling the new fuel primary filter, have some fresh diesel and back fill the new filter as much as you can as to minimze air. Do this on the secondary also. What I mean by backfilling is to fill the cup that the filters sit in with fuel, then screw them in. A little will over spill, so have rags to catch the over spill.