Exact fit Boler
hinges are no longer available. You can use a Scamp
hinge, but because it has 3 bolts on the cabin side instead of 2, you'll have some fiberglass patching to do.
However, it is unlikely the hinge body is the problem. The guts are what wear out. Member Ian G. sells a hinge rebuild kit that uses higher quality materials than the similar kit available from Scamp
Products Archive - Boler-Camping
The new door seal from Scamp is known to cause problems during the break-in period. It's very tight and takes a good bit of force to compress enough for the latch to engage fully. Even some brand new Scamp owners have had their doors pop open. The problem diminishes over time.