Help Identifying Steering Box

jagnweiner

Senior Member
Gents,

I need your help identifying a steering box that I recently purchased, that unfortunately does not fit my '47 Merc. First the background.

A few weeks ago, I saw an ad here on the Barn for a rebuilt steering box for "42-46" Ford. I was of the belief that steering boxes (and, more importantly, steering shafts) were the same from 41-48, and that '47 Merc Convertibles were basically the same as '47 Ford Convertibles.

I called the seller and he explained how he came to have the box. He needed to rebuild the box on his '40 (I believe) and he decided to buy a core to send in so that his car wasn't ******* while he waited. He bought this one from someone who told him it would fit his 40. He then sent it off to Lares for a rebuilt. When he got it back, he found it was 2" too short. He then determined that his '40 needed a different sized shaft, so ended up sending his original off to be rebuilt, leaving him with this one to sell. He agreed that it should fit the '47.

I made the purchase, received it on Saturday and went to install it on Sunday. When I got the old one out I instantly saw that the new one was also 2" shorter than mine.

After I got over the initial heartbreak, I started trying to think of what to do. I briefly thought about trying to swap my shaft into the rebuilt box, but I just don't want to tear apart one that has been rebuilt. I decided I'll get my old one rebuilt. (I know many have said they're not that hard to rebuild, but I'm just not up to it.) Now I have to sell this other rebuilt box, but I need to know for sure what it fits.

The box itself looks almost the same as mine, but it has a number, "30937" cast into it that mine does not. The shaft measures 44 1/4" from where it exits the box. (My original measures about 46 1/4") It also has a collar near the top that mine does not.

-Anyone know what this box/shaft fits?
-Is there any difference between Ford and Mercury steering box/shaft for 1947?
-Is 1947 the same length as 1946?

Thanks in advance and sorry for the long post.
 

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They are longer wheelbase forward of the firewall so you need one from a Mercury in those years. The one you found should fit a 42 thru 48 Ford but I'd have to see a photo of the column drop to tell for sure. If no drop came with it, the shaft length is all you have to go by.
 
Thanks, rotorwrench. Fortunately I have mine, which is rebuildable. My purchase of the rebuilt one was one of my attempts to save time that backfired. Now I just need to find a buyer with a 42-48 Ford.
 
The overall length of the shafts is listed in the '28-48 parts books for Fords and is probably in the '39-48 Merc parts book too. Those are good numbers to have since there are so many minor variations amongst the many applications for that basic box.
 
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