Does your cabin entry door look like this?
#17 shows a Searay cabin entry door "using this as an example the model isn't the same but it seems to be the best pic I could find of a parts schematic. I'm assuming the door slides from left to right.

These images below are off at 2009 310 Sundancer I couldn't find DA
7 | 1758602 |
| TRACK, ALUM ANOD SLIDE ASSY 43"UPR/50"LWR TLR | |
It retails for 200.00 from Searay It says they have 1 in stock.
Grab the full HIN# for the boat and contact your local Searay dealer. Have them confirm with Searay this is indeed the correct part that you're looking for. Also have them ask if the #7 includes the rollers or if they're on the door. It's hard to tell from the picture but the top down arrow pointing to that straight piece is #7 as well, and it looks like this is the part that has the rollers, and the lower portion is just a channel the door slides in. Also pictures of what you need are a good idea to ensure you get what you're looking for.
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