replacing decals on all 4 sides of trailer

I would check into having graphics painted on

Or remove the decals and leave it blank...that's what we did

Take detailed pictures and an outfit like this can custom make decals for you...This way you can remove the old ones and match up the "fade spots" with the new ones...

It will cost you, and they are a challenge to apply without wrinkles and bubbles if you have never done it

There are lots of outfits out there that do this (google "RV decals, graphics, wraps, etc.)...

>>>>LINK...Here is just one

Check eBay. There are a number of different RV model replacement decals offered there. Yours may or may not be. Have no idea about quality.

Just paint it.

I think the only option is to have them custom made. The best option is to just buy off the shelf graphics for cars and vans and apply your own unique scheme. Unless you have serious fade markings...