Volvo MD2B Longevity Tips

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  • June 30, 2013 8:54 AM
    Reply # 1330143 on 1299876
    Deleted user
    My previous owner had a brass fitting at the raw water strainer.
    I found it after I added an inline Groco ball valve (temporary fix) as my raw water seacock is froze open. I started replacing hoses, fittings and servicing my strainer after I installed the ball valve. When I put the wrench to the brass fitting it crushed into many pieces.
    It could have sunk my boat.

    For those reading that are unaware of brass usage in critical or below waterline applications, brass contains zinc and will become a sacrificial part in the system with loss of life or property as a potential consequence.

  • March 02, 2014 1:54 PM
    Reply # 1509128 on 1299876
    I have a question about MD2B air filters. I have heard cleaning can help performance. They cannot be taken apart so do you back flush with air, or water or? Has anyone replaced them with K and N filters? 

  • March 02, 2014 3:07 PM
    Reply # 1509166 on 1299876
    Deleted user
    Going on memory, the manual says to rinse it in diesel fuel. Something like a parts washer with solvent would probably do the job.
  • March 03, 2014 3:46 AM
    Reply # 1509426 on 1299876
    Deleted user
    Hey Charles,

    I use plain old kerosene.
  • April 19, 2018 3:19 AM
    Reply # 6110337 on 1299876
    Deleted user

    I have a Volvo Penta MD2B engine but i have a problem with the Reduce Gear. I need a new one, specially a special cone of the reduce gear.

    Do you know anybody who wants to sell me a reduce gear for this knid of Volvo engine?

    Please contact me to


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