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-   -   Original 72 front differential? (https://67-72chevytrucks.com/vboard/showthread.php?t=862753)

leddzepp 02-10-2026 06:42 PM

Original 72 front differential?
 
3 Attachment(s)
Wondering if this is an original 72 front Dana 44? The steering stabilizer looks correct, but not sure. Also, are the lockouts complete? Thanks!

'68OrangeSunshine 02-10-2026 07:10 PM

Re: Original 72 front differential?
 
Looks about right. That Dana 44 was used from model year 1971 thru the Squarebody era.
It's like the one on my '71 GMC Jimmy K/1500.
:gmc2:

MJN 02-11-2026 09:54 AM

Re: Original 72 front differential?
 
take the cover off, there is a date stamped on the ring gear. There are also numbers stamped on the long axle tube, if you can still read them, these will help narrow down the build date/configuration.

57taskforce 02-11-2026 03:52 PM

Re: Original 72 front differential?
 
The stabilizer is correct as far as I can tell. Lock outs look to be all there. I believe that to be a 71-72 axle. The BOM number on the front/bottom of the axle tube is the best way to tell exactly what it came from as well as the original ratio. The gear stamp on the ring gear is a good clue but a lot can happen in 50+ years.

cbeerman 02-11-2026 04:29 PM

Re: Original 72 front differential?
 
Here is a link to the Spicer application catalog


http://www.billavista.com/tech/pdf_i...%20Catalog.pdf


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