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Thread: 99+ 8.5"/8.6" rear differential bearings

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  1. 07-28-2007 06:17 PM #1
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
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    99+ 8.5"/8.6" rear differential bearings

    LM603049 diffential roller bearing
    LM603012 bearing cup

    Just wanted to see if this is the numbers everyone else used. Autozone and Orielly couldn't pull a replacement part number up on their screens. I found these PNs on auburngear.com's website. The roller bearing seems to be correct since it was the same part number as the markings on the old bearing. I don't have the rearend apart right now, waiting on bearings to be delivered to my local store Monday. BTW, getting the old bearings off was a PITA!!

    FWIW, the manual says to use synthetic 75w90 lube, 2 quarts.
    Last edited by RedHeartbeat; 07-28-2007 at 06:32 PM.
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