Where to find Serial Number on mercruiser 233hp

Discussion in 'Gas Engines' started by areefcenter, Sep 9, 2010.

  1. areefcenter
    Joined: Sep 2010
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    Location: cape coral

    areefcenter Junior Member

    I just acquired a "free" boat, we all no there is no such thing. Well anyway, I need to replace the water hoses on the port engine, they are 1976 351 Ford 233HP mercruisers. My marine store needs the serial number to look up parts, where can this number be located?
     
  2. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    There may be a plate on the back of the engine. They shouldn't need to get serial numbers for a hose, the year and model are enough.
     
  3. areefcenter
    Joined: Sep 2010
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    Location: cape coral

    areefcenter Junior Member

    Thanks Gonzo for the reply, I would think the year and block information would be enough as well. Just with inboards, unless you are 3 ft tall and weigh 55 lbs, there is not that much room to manuever.
     
  4. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    The hose from the circulation pump to the thermostat is the same as in a car applicatioin. Some of the others, depending on the manifold style, can have both ends the same diameter of different. If they are the same, you can use any heater hose.
     
  5. powerabout
    Joined: Nov 2007
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    Location: Melbourne/Singapore/Italy

    powerabout Senior Member

    Eh?
    The hose from the circulation pump on a car goes to the bottom of the radiator?
    Only one style of manifold on a 233
    There are a few differences between the MIE and MCM (shaft drive or sterndrive) you didnt mention which you have.
     

  6. CDK
    Joined: Aug 2007
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    Location: Adriatic sea

    CDK retired engineer

    A small aluminum plate on the bracket that holds the wiring harness connector. After 34 years, you may find just the screw holes.
     
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