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Water pump belt on my 185-gctid382839

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    Water pump belt on my 185-gctid382839

    Hi have a 2005 185 with a 3.0L. I went to buy a new belt for the water pump. The one they sold me is a mercruiser belt # 57-862054-Q. When I got home I compared it to my old belt. They are both the same size but the new one has little V teeth on it and the old one is flat with no teeth. Also the old one is model number 57-862054-DF.

    I thought I got the wrong one but when I went to the merc. web site they show that the new belt is the right one.

    So whats up have they cahnged belts since 2005 and can I use the new style or do I have to get a flat one with out the teeth?

    #2
    As long as the new belt is the correct fit for the V shape of the pulley it's good. The sides of the belt against the side of the pulley have to match, the teeth are not an issue.

    Happy Boating

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      #3
      Ok good to know. Any idea why they changed from a flat belt to one with teeth?

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        #4
        They use those on hvac equipment and I believe it keeps them cooler. Can't say that is the sole reason though.

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