Originally Posted by javelin
Wow you must have done a number on the cover hinge side to get it off. Attaching what I "think" is the part number for a 2017 Ford Stripped Chassis (2018 F53 coach) Power Distribution Box cover.......but it says it is now discontinued.....maybe available from somewhere on the web if you search. Failing that, RV wreckers should be able to get one for you cheap.
That particular part number may be discontinued. It its possible it could be replaced by another number.
Best bet is to take a trip to the local Ford Dealer's Parts Department and have a talk with them.