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    Fuel Cooler/Pump

    Hi Folks,

    I have a leaky water and fuel assembly. I just priced it all and its around $1600 can for the complete assembly.....wow. Anyone have this issue? Any other options out there?

    #2
    Engine/year?
    1997 Maxum 2400 SCR 5.7LX Bravo II

    Mike

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      #3
      Are you referring to Merc’s combination seawater pump/fuel
      pump?
      https://www.google.com/search?source...3A8lFXICL8zkM:

      If so, you may have an option of going with a Johnson crankshaft pump and then mount the mechanical fuel pump directly to the cylinder block. This will eliminate the issues with belt driven pump.
      Rick E. Gresham, Oregon
      2850 Bounty Sedan Flybridge model
      Twin 280 HP 5.7's w/ Closed Cooling
      Volvo Penta DuoProp Drives
      Kohler 4 CZ Gen Set

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        #4
        Originally posted by 2850Bounty View Post
        Are you referring to Merc’s combination seawater pump/fuel
        pump?
        https://www.google.com/search?source...3A8lFXICL8zkM:

        If so, you may have an option of going with a Johnson crankshaft pump and then mount the mechanical fuel pump directly to the cylinder block. This will eliminate the issues with belt driven pump.
        From my knowledge Merc only used the combo unit on 7.4L engines that do not have the provision for a mechanical fuel pump so an electric fuel pump would be required if changing to the Johnson crank pump.
        1997 Maxum 2400 SCR 5.7LX Bravo II

        Mike

        Comment


          #5
          Yes sorry. Its a 1999 2855, 7.4L. See the pic of the unit we removed.

          Comment


            #6
            Cool fuel electric pump assembly. Yup not cheap.
            1997 Maxum 2400 SCR 5.7LX Bravo II

            Mike

            Comment


              #7
              Where is it leaking?
              water tube might be rebuilt by a good radiator shop. I'm guessing but these things are basically a mash up of a GM high pressure fuel pump ( the kind found in the gas tank of your chevy pu) and that heat exchanger. And yes mercuiser is way to proud of them.
              1992 2452
              5.0 alpha1 gen2

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