If you are looking to find a replacement axle I recommend having a king pin with you to test for abnormal play in the pin bore, although this can be repaired it would be expensive to fix.
There are plenty of axles around, finding them close to you maybe a problem, shipping being the deal breaker.
I was very lucky to find one that appeared to be unused, the KPI was at 7 degrees, and pin to pin across the perches in alignment, I made up some simple tools to check it with.