If I were you (and I may be in this boat some day) I would replace the fixtures themselves with units that have bulbs, then convert them to LED. Then if you have issues, you can just replace the elements themselves without having to worry about replacing the entire fixture.
-2018 Greyhawk 29MV
-1997 Jeep Wrangler YJ (Toad)
-2015 Jeep Grand Cherokee Limited (Soon to be Toad)
-2014 Jay Flight 28BHBE & Ram 2500 6.4L CC 4x4 (sold)