jmh, wish I could help but as you see no one has replied. I'm pretty sure that the bulb/wiper slides into a track and the track is what is caulked. From some of my searches it looks to be many different profiles. I would feel comfortable replacing them myself if I was sure I had the correct ones.
2019 Alpine 3700fl
2016 Chevy Silverado 3500HD DRW High Country
"Best money we ever wasted"
2012 Wildcat 313RE traded in 5/2018