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3.73 gears
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  1. General Diesel Discussion
    I have a 2000 SD, 7.3 with a bad rear end. My sterling axle code is 406H with an open diff. The best I can find on the net is 100-200 serial number axles are for gassers and the 400 series are for diesels. Of course, all the local junk yard axles are $100 to $300 for the 100 to early 400...
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