It sounds like you are looking for a replacement passenger side tail light for your 2016 Coleman Lantern 274bh trailer by Dutchmen. If that is the case, we have exactly what you are looking for! From my research, it looks like those trailers came with incandescent lights, but could've been upgraded to LED, so I'll give you both options.
For an incandescent light, you will want part # RVSTB60.
For an LED light, you will want part # RVSTLB60
We also have the drivers side lights if you'd... view full answer...