Thread: Rear Axle Codes
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Old 12-27-2017, 02:48 PM   #41
LockDoc
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Re: Rear Axle Codes

Quote:
Originally Posted by tom7254 View Post
can someone decipher these codes. I know its a 12 bolt. Casting 3896839 GM83, axle tube stamping TBT 219 01. Thanks
What year is it? By the code it looks like '71 but there is no TBT for '71. Double check the TBT letters and make sure that is correct.

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