Engine Parts

Keep your inboard engine running strong with premium boat engine parts from WaterSkis.com—your trusted source for Mastercraft, Supra, and Moomba boat parts. Whether you’re chasing glassy water for a morning ski session or heading out for a weekend of wakeboarding, your engine needs to be dialed in and ready to go.

Our selection includes genuine and aftermarket boat engine parts, including spark plugs, impellers, sensors, belts, filters, and more—designed specifically for Mastercraft boat engine parts, Supra boat engine parts, and Moomba engine systems. We only carry parts from trusted brands known for reliability, so you can service your engine with confidence.

Not sure what part fits your boat? Use our Boat Part Lookup Tool to find engine components by year, make, and model. At WaterSkis.com, we make it easy to get back on the water with performance-focused parts that fit right the first time.


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  • MasterCraft Fuel Sending Unit MasterCraft Fuel Sending Unit Replacement

    MasterCraft OEM Fuel Sender 998

    MasterCraft
    $199.99
    MasterCraft Fuel Sending Unit 998 This is Fuel Sending unit for MasterCraft Boats. Replace your old or non-working fuel sending unit and never run out of gas again! This a MasterCraft original unit and is 6.8" long.  Don't forget to add in the new...
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    $199.99
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  • Indmar TBI/MCX Serpentine Belt | 725034

    Indmar TBI/MCX Serpentine Belt | 725034

    Indmar
    $55.99
    Indmar TBI/MCX Serpentine Belt | 725034 Indmar 725034 Serpentine Belt fits Indmar 5.7 MCX, TBI, Monsoon, and Hammerhead engines. Use the boat part look up to confirm it fits your year, make and model.  
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    $55.99
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  • Ilmor Crank Mounted Raw Water Pump Cover | 0144

    Ilmor Crank Mounted Raw Water Pump Cover | 0144

    Ilmor
    $119.99
    Ilmor Crank Mounted Raw Water Pump Cover | 0144 This is specifically for the Ilmor Crank Mounted Raw Water . The Raw Water Pump Cover Plate will replace any damaged cover plate on your existing pump. Use the boat part look up below to ensure you are...
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    $119.99
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  •  Ilmor Raw Water Pump O Ring | 12231  Ilmor Raw Water Pump O Ring | 12231

    Ilmor Raw Water Pump O Ring | 12231

    Ilmor
    $4.99
    Ilmor Raw Water Pump O Ring The Ilmor Raw Water Pump O Ring fits almost all Ilmor Open Cooled Marine engines. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $4.99
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  • Ilmor Cover Plate Screw Ilmor Cover Plate Screw

    Ilmor Cover Plate Screw and Washer

    Ilmor
    $2.99
    Ilmor Raw Water Cover Plate Screw and Washer The Ilmor Raw Water Cover Plate Screw fits almost all Open Cooled Ilmor Marine Engines Sold Individually Make sure not to over tighten these screws. Use the boat part look up below to ensure you are purchasing...
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    $2.99
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  • Indmar Engine Spark Plug Set | 8.1L

    $139.99
    Indmar Engine Spark Plug Set | 8.1L Get the spark you are after in your MasterCraft boat with new MasterCraft Spark Plugs. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $139.99
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  • Indmar LS1/6.0 Spark Plug Wire Set | 751202

    Indmar LS1/6.0 Spark Plug Wire Set | 751202

    Indmar
    $84.99
    Indmar LS1/6.0 Spark Plug Wire Set | 751202 Get the spark your engine needs with a new spark plug wire set from Indmar. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $84.99
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  • PCM Plug Wire Set 8.1L | RK120019

    PCM
    $79.99
    PCM Plug Wire Set 8.1L | RK120019 Get the spark your engine needs with a new spark plug wire set.  Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $79.99
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  • Indmar LT1-LTR Short Spark Plug Wire Set | 556010A

    Indmar LT1-LTR Short Spark Plug Wire Set | 556010A

    Indmar
    $64.99
    Indmar LT1-LTR Short Spark Plug Wire Set | 556010A Get the spark your engine needs with a new spark plug wire set from Indmar. This wire set is for LT1/LTR engines. This wire set is only for the odd number cylinders. You will need to order #556010B as...
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    $64.99
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  • Indmar Prestolite-Mallory Spark Plug Wire Set | 751003

    Indmar Prestolite-Mallory Spark Plug Wire Set | 751003

    Indmar
    $56.99
    Indmar Prestolite-Mallory Spark Plug Wire Set | 751003 Get the spark your engine needs with a new spark plug wire set from Indmar. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $56.99
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  • Indmar Mallory Points | 751007

    Indmar Mallory Points | 751007

    Indmar
    $12.99
    Indmar Mallory Points | 751007 These ignition points were used in engines found in engines were used by MasterCraft, Malibu, Supra and Moomba boats with Mallory Distributors. Call Midwest Water Sports for all of your boat parts needs.Please note: No...
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    $12.99
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  • Indmar Mallory Rotor | 751006

    Indmar Mallory Rotor | 751006

    Indmar
    $5.99
    Indmar Mallory Rotor | 751006 These engines were used by MasterCraft, Malibu, Supra and Moomba boats call Midwest Water Sports for all of your boat parts needs.Please note: No returns will be accepted on installed boat parts. Use the boat part look up...
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    $5.99
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  • Indmar Mallory Distributor Cap | 751005

    Indmar Mallory Distributor Cap | 751005

    Indmar
    $24.99
    Indmar Mallory Distributor Cap | 751005 Please note: No returns will be accepted on installed Indmar parts. Use the boat part look up below to ensure you are purchasing the correct part for your boat.
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    $24.99
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