I have a potential solution for you, but there is no gasket made specifically for the Optronics LED Trailer Clearance or Side Marker Light # MCL44RB1.
You could potentially use the Foam Gasket for MC32 Series Lights # A32GB. The MCL32 series measures 4" x 2" instead of the 4" x 1-1/2" that your MCL44 series measures. So you could trim off the extra foam from the height and the wire is located in a different spot so there may need to be some fabrication there as well. But, without there... view full answer...
Yes, for Dexter part number K08-247-1G you'll need the Dexter Trailer Hub & Drum Assembly for 3,500-lb Axles - 10" Diameter - 5 on 4-1/2 - Pre-Greased # 84546UC3-EZ. view full answer...