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Re: s-belt 5.9 cummins
Posted to HD/Fleet Forum on 12/2/2000 3 Replies

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Two things. First, a mistake we made when replacing the alternator. There are two different altenators out there. A 7749 and a 7785. The nose of the 7785 is 1/4 inch longer to support a heavier bearin... Login to read more.

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