+1 for swaging the ends, or, as an alternative non-standard solution Demon Tweeks supply a machined aluminium bulkhead fitting. I’ve had these on the car using silicon hoses for a few years now with no leaks, yet.
David
https://www.demon-tweeks.com/demon-tweeks-single-bulkhead-hose-adaptors-1297177/?sku=TSDSBHHA1&istCompanyId=a2904180-3a7d-4e56-b876-cf81c9512180&istFeedId=6fbc4b04-fd28-4ce1-8513-835c8f118690&istItemId=wptrrqalp&istBid=t&gad_source=1&gclid=Cj0KCQjw8J6wBhDXARIsAPo7QA_JvlU1VgA69xANOUX7PGhgZEMUAX8fZ0tHxTSWqy-mMMBkAj8s0YEaAolsEALw_wcB&gclsrc=aw.
