https://www.iconicparts.com/door-latch.html
Sometimes they will cannibalize a part for you off a roller if you call them.
But those are made in the UK. for trucks and buses.
https://transport.albertjagger.co.uk...rtical-release
Also pay heed to the note on the Iconic site: Note: when you pull off your original latch you will see the opposite side due to the latches are used backwards. Please be aware of this and order your latch to the side you need not whats on the latch.
So order a R/H latch for the L/hand door.