I may have an option but we do not have a confirmed replacement fender for your 2010 Thor Komfort Travel Trailer M-283TS.
We do offer a wide variety of fenders that may work for you, but you will need to measure your current fender to confirm the fit.
For example the Tandem Axle Trailer Fender # HP47VR is made for tandem axle trailers with 14"-15" wheels and measures 71-1/2" long x 9" wide x 20-1/2" tall.
If you can measure your current fender and let me know the dimensions, I would... view full answer...