I assume you mean the hinges for the esterior door, not the interior cabinets
Just want to clarify.
We too will be replacing the hinges on our Boler and after perusing the internet found this:
kason hinge part #139, available at Refrigerative Supply here in edmonton for about $80.00 CDN. I am not 100% if they are the identical ones but they do look like they would work similar.
Wasn't that Brenda Novakowski talking about one of her Trillium
trailers? If so, they use completely different hinges -- their door is much less "aircrafty."
As far as I know, Paul Neumeister does sell the original Boler
hinges, if you want those (OTOH, the extra support of the three-fastener base of the Scamp
hinges would probably be beneficial albeit they would require a bit of drilling and filling).
Edited to add: Hmm, I no longer see the complete hinge on Paul's parts site, but it might be worth a call to him to double check, as I think I remember seeing them there before (in addition to the rebuilding kit).