I don't know if you will find anything off the shelf in a modern aftermarket type sender. As you might remember, I didn't have much luck in getting close to the old S-W resistance values so went in my own direction. You might contact K M Lifestyles and see what they can do because after I did my thing there was another poster with a 47 who needed a sender and they were able to help.
To get the story first hand and the final resolution, you might contact Rscott77x, the poster in this thread
https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=203365#forumpost203365 and find out what finally transpired. The first sender they sent was incorrect as to mounting but I believe that problem was resolved and he is currently using one of their senders. Don't recall any more posts to know for sure.
If you do get good information you might post some details. If they make them to order would consider buying one for my car to have on hand for when or if the car ever gets on the road and my home made unit also proves unsatisfactory.
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