We had the same yellowing effect and struggled with finding replacements as well. Ours were intact, so we wound up removing them and painting...
Doesn't look very comfortable for sitting...
Our Tournament 340 is configured the same way, which adds some complexities.
We're replacing our chartplotter and will need to install that on a piece of king starboard to then add into the dash on our 2001 Tournament 340....
On our 340 we had to cut out a section of the back panel of the compartment under the sink to access the port side vents. On the STB side, we had...
Agreed on the Sikaflex. We just replaced all the old caulking that was yellowing with that, including all along the rub rails, top and bottom.
