Here are some parts for a 1942 rear axle.
Some are for 3/4 ton.
You most likely are aware of these companies, or, you are set on finding a more modern rear end.

https://www.oldchevytrucks.com/cart...FRear+Axle+%26+Differential&station=
https://www.chevsofthe40s.com/shop/...p;searchtype=FT&method=KeywordSearch
https://www.rockauto.com/en/catalog/chevrolet,1942,truck

Last edited by tclederman; 01/02/2021 1:11 AM.