strainer gasket

I have a 2004 Amberjack 290 with 350MPI inboards and v-drives. I have the parts manual and was able to find all three Sea ray part numbers for the seawater strainers in the boat. SRPN: 144717 (3/4"), 161521 (1"), 144741 (1.25") does anyone have a cross reference number for these to Perko or any...