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  1. 01-08-2021, 02:31 PM #1
    Ranchhand02
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    What impeller and spark plugs for a 2003 Mercury EFI motor?

    I am needing to do a little winter maintenance on my motor and I am wanting to know what impeller and spark plugs are recommended for a 2003 Mercury 225 EFI engine serial number OT666667? Thank you.
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  2. EuropeanAM
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    #2 01-08-2021, 03:44 PM
    Moving your thread to the 2.5L Forum for you.

    Impeller is 43026T2. Also need some gaskets as well.

    Spark plugs recommended are 941 (QL77CC).

    See Rhonda's post, pinned at the top of the Forum... She can assist you with all your parts and accessories needs (and the complete parts catalog for your engine is available there on the website at: www.mercurypartsonline.net


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  3. Ranchhand02
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    #3 01-08-2021, 04:08 PM
    Thank you. I appreciate it.
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