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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  • Ilmor Impeller Puller Tool Kit (PT02125)

    Ilmor Impeller Puller Tool Kit

    Ilmor
    $36.99
    Ilmor Impeller Puller Tool Kit (PT02125) Use the boat part look up below to ensure you are purchasing the correct part for your MasterCraft Boat!  
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    $36.99
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  • MasterCraft Start/Stop Switch w/Lead - BLUE

    MasterCraft Start/Stop Switch w/Lead - BLUE

    MasterCraft
    $251.99
    MasterCraft Start/Stop Switch w/Lead - BLUE Replace your old or worn out switch with this genuine MasterCraft part.Midwest MasterCraft proudly stocks MasterCraft boat parts for all of your boating needs. Use the boat part look up below to ensure you are...
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    $251.99
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  • Ilmor Crank Mounted Raw Water Pump Conversion Kit - GDI

    Ilmor Crank Mounted Raw Water Pump Conversion Kit - GDI

    Ilmor
    $1,299.99
    Ilmor Crank Mounted Raw Water Pump Conversion Kit - GDI Replace your broken GEN 5 raw water pump with this new conversion kit specifically designed by Ilmor and MasterCraft for 2017-2019 5.3L and 6.2L GDI Ilmor engines.. ***REQUIRES THE FLYWHEEL LOCKOUT...
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    $1,299.99
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  • Indmar LT1 Belt | 725010

    Indmar
    $73.99
    Indmar LT1 Belt | 725010 Indmar 725010 alternator belt fits 1995 and newer LT1 engines. Use the boat part look up to see if it fits your year, make and model.  
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    $73.99
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  • Indmar Trans Temp Switch w/Lead

    Indmar
    $82.99
    Indmar Trans Temp Switch w/Lead Genuine Indmar trans temp switch with lead. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $82.99
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  • PCM Serpentine Belt 5.7L

    PCM
    $54.99
    PCM Serpentine Belt 5.7L Fits PCM Chevy 2004 & up Excalibur 5.7, 330hp, EX343 and Pro Sport 5.0, 275hp.. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $54.99
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  • Indmar Cooler Kit Trans/Eng 495168

    Indmar Cooler Kit Trans/Eng 495168

    Indmar
    $849.99
    Indmar Cooler Kit Trans/Eng 495168   Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $849.99
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  • Indmar Monovalve Electric Throttle

    Indmar Monovalve Electric Throttle

    Indmar
    $699.99
    Indmar Monovalve Electric Throttle Electric Monovalve 3 Mounting Bolt Design Also need to purchase a new gasket - Indmar Throttle Body Gasket 75MM 1V  
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    $699.99
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  • Indmar Dipstick - 5.7L GM

    Indmar Dipstick - 5.7L GM

    Indmar
    $29.99
    Indmar Dipstick - 5.7L GM Dipstick for GM 350 engines.   Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $29.99
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  • Indmar Tube Indicator - Oil 350

    Indmar Tube Indicator - Oil 350

    Indmar
    $97.25
    Indmar Tube Indicator - Oil 350 Dipstick tube for GM 350 engines.   Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $97.25
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  • Ilmor Gasket - 6.0L MPI Water Neck

    Ilmor Gasket - 6.0L MPI Water Neck

    Ilmor
    $4.99
    Ilmor Gasket - 6.0L MPI Water Neck The Ilmor gasket offers 100% sealing with application-specific materials to give you a sealing solution with the performance and durability you can trust.  
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    $4.99
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  • Indmar Temp Sender - 1/2" NPT

    Indmar Temp Sender - 1/2" NPT

    Indmar
    $57.99
    Indmar Engine Temperature Sensor Indmar temp sender 1/2" NPT. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $57.99
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  • Fuel Pump Harness for Millenium Fuel Pumps

    Fuel Pump Harness for Millenium Fuel Pumps

    MasterCraft
    $104.99
    Fuel Pump Harness for Millenium Fuel Pumps This harness is needed when replacing the old Carter/Federal-Mogul fuel pump with the new Millenium fuel pump. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $104.99
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  • Sea Strainer - Bowl Gasket Only

    Sea Strainer - Bowl Gasket Only

    MasterCraft
    $14.99
    Sea Strainer - Bowl Gasket Only Sea Strainer - Bowl Gasket Only for the Marelon "T" Style strainer.
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    $14.99
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  • Sea Strainer - Bowl Only

    Sea Strainer - Bowl Only

    MasterCraft
    $95.99
    Sea Strainer - Bowl Only Sea Strainer - Bowl Only for the Marelon "T" Style strainer.
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    $95.99
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  • MasterCraft Sea Strainer - "T" Style Marelon

    Sea Strainer - "T" Style Marelon w/Chem Resistant Bowl

    MasterCraft
    $159.99
    Sea Strainer - "T" Style Marelon w/Chem Resistant Bowl Sea Strainer - "T" Style Marelon w/Chem Resistant Bowl used on MasterCraft boats from 2014 and newer.
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    $159.99
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  • Indmar Transmission Cooler 9 x 1-1/4"

    Indmar
    $206.99
    Indmar Transmission Cooler 9 x 1-1/4" Indmar Transmission Cooler 9 x 1-1/4" Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $206.99
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  • Indmar Throttle Sensor PPS, TCP

    Indmar Throttle Sensor PPS, TCP

    Indmar
    $199.99
    Indmar Throttle Sensor PPS, TCP Potentiometer replacement for throttlemate assembly throttle control potentiometer. ***Will not work in place of in-handle potentiometer*** Use the boat part look up below to ensure you are purchasing the correct part for...
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    $199.99
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