That was the number in one of my manuals, not even sure it still works. I have had some luck with rebuild kits from pplmotorhomes also.
Happy Camping, Safe travels and may our paths cross someday!
40' 2000 Monaco Windsor, ISC350 Cummings w/Allison 3000 6 speed and Jeep Cherokee toad. We're all old but, we keep on trucking!