I am sorry to say that we do not carry the vent cover you are looking for. The only cover we have from Dometic is the # DMC37FR which is made for a 23-3/8" long x 6-1/2" wide cutout. So this is not going to match what you have at all. At this point I believe your best bet will be to contact Dometic directly to see if they have a replacement available. view full answer...