Vortex owners group recommended dealers for parts (friends of the group!):

Karen Ontel @ Jersey Jet Boats. (Technically a Scarab dealer, but extremely good at getting parts and helping with all Rotax boats, including Vortex!)
Web Site: https://jerseyjetboats.com/
Phone: (862) 221-0717
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Joe Celano @ Cecil Marine. (Officially a Chaparral dealer, can usually get you parts even others can’t find, including factory Chaparral parts.)
Web Site: https://www.cecilmarineonline.com/
Phone: (856) 629-4606
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Leonard Maraist @ New Orleans Powersports. (Also a Scarab dealer, but an amazing resource for all things Rotax and boats!)
Web Site: https://neworleanspowersports.com/
Phone: (504) 461-0011