I had the same problem, so I just put in something like this: Single Tractor CAV 296 Diesel Fuel Filter Assembly 1 2" UNF Ports W Glass Bowl | eBay
which even used the same fuel lines - the threads fit and all. (This link isn't what I got, it's just an example.) I had to make a bracket to hold the new filter in the right spot so that the hoses weren't stretched.
It's just the way to go as the availability of more and more little parts dry up. The filters are very common and easy to get, too.
At any given point in time, somewhere in the world someone is working on a Land-Rover.
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