I am needing a 3894939 rear housing or complete rear for a 1969 chevelle with a casting date between middle may up to the second week july 1969. If I find a suitable replacement , I will then have a 1970 Code CRW(heavy duty 4.10, LS6?) for sale or trade.Thanks, Andy.
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After further reading it appears that the 939 rear is for 1967? I have conflicting info on this. The 1969 rear may be the 3959038. Can anyone shed some light on this? Andy.