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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  • Indmar Oil Pressure Sender Indmar Oil Pressure Sender

    Indmar Oil Pressure Sender

    Indmar

    $199.99
    Indmar Oil Pressure Sender Genuine Indmar Oil Pressure Sender. This part is commonly found in Indmar engines in MasterCraft, Malibu, Supra and Moomba boats. Use the boat part look up below to ensure you are purchasing the correct part for your boat...
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    $199.99
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  • Indmar Oil Cap For Steel Valve Covers Indmar Oil Cap For Steel Valve Covers

    Indmar Oil Cap For Steel Valve Covers

    Indmar
    $29.99
    Indmar Oil Cap For Steel Valve Covers Proper maintenance ensures that your boat performs in peak condition year after year. Indmar Engines offers this replacement oil cap for engines using steel valve covers and a threaded oil cap. Please note this oil...
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    $29.99
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  • Johnson Raw Water Pump Cover Plate Screw Johnson Raw Water Pump Cover Plate Screw

    Johnson Cover Plate Screw

    Indmar
    $9.99
    Johnson Raw Water Pump Cover Plate Screw The Johnson Raw Water Pump Cover Plate Screw fits almost all Indmar marine engines (Malibu, Supra, Moomba, etc.) and almost every MasterCraft produced from 1987 until the change to Ilmor engines in 2011. 5/16...
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    $9.99
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  • Johnson Raw Water Pump Cover Plate

    Johnson Raw Water Pump Cover Plate

    Indmar
    $59.99
    Johnson Raw Water Pump Cover Plate The Johnson Raw Water Pump Cover Plate fits almost all Indmar marine engines (Malibu, Supra, Moomba, etc.) and almost every MasterCraft produced from 1987 until the change to Ilmor engines in 2011. The Johnson Raw Water...
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  • Ford Oil Filter for Indmar & PCM

    Ford Oil Filter

    Indmar
    $14.99
    Ford Oil Filter for Indmar & PCM Fits all Ford based 351 & 302 (5.8 & 5.0) Ford Marine engines. Marine engines should get an oil and filter change every 50 hours of run time. Keep your Ford based marine engine running at peak performance with...
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    $14.99
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  • Indmar 140 Degree Thermostat Indmar 140 Degree Thermostat

    Indmar 140 Degree Thermostat

    Indmar
    $54.99
    Indmar 140 Degree Thermostat Indmar 140-degree thermostat. 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 Engine Block Plug

    Indmar Engine Block Plug

    Indmar
    $2.99
    Indmar Engine Block Plug Indamr Brass engine block plug from Indmar Marine engines. This is a 1/4 plug with hex head. Replace your worn block plug(s) regularly to speed up engine block drain time, winterization and more. Please note some engines may have...
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  • Ilmor Ignition Coil Assembly | 1142 Ilmor Ignition Coil Assembly | 1142

    Ilmor Ignition Coil Assembly | 1142

    Ilmor
    $179.99
    Ilmor Ignition Coil Assembly - MV8V-1142 Maintain like-new performance for your Ilmor engine with these Ilmor specified ignition coils. These coils are designed as a direct replacement for your OEM coils. Ilmor IGN Coil ASSEM for MasterCraft boats...
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  • Spark Plugs for 70's-'92 MasterCraft Boats

    MasterCraft Boats Engine Spark Plug Set (Ford Std Engines)

    MasterCraft
    $54.99
    Spark Plugs for 70's-'92 MasterCraft Boats Get the spark you are after in your MasterCraft boat with new MasterCraft Spark Plugs. Fits standard output Ford 351w, 302 (5.8, 5.0) engines 1975 through the early '90s from PCM and Indmar. Set of 8. Specs;...
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  • Ilmor Drive Belt Tensioner | 1134 Ilmor Drive Belt Tensioner | 1134

    Ilmor Drive Belt Tensioner | 1134

    Ilmor

    $159.99
    MasterCraft Ilmor 6.0L 6.2L DRVE Belt Tensioner Ilmor’s belt tensioner reduces belt wear and ensures your engine’s drive belt is operating at peak performance and reliability. Ilmor DRVE Belt Tensioner for MasterCraft boats. Specifically designed by...
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  • Ilmor MAP Sensor (5.7L) | 1053 Ilmor MAP Sensor (5.7L) | 1053

    Ilmor MAP Sensor (5.7L) | 1053

    Ilmor
    $119.99
    Ilmor 5.7L MAP Sensor Ilmor specified manifold air pressure sensor (MAP sensor) is designed as an exact replacement for your Ilmor engine and provides exceptional reliability and longevity. Ilmor MAP Sensor for MasterCraft boats. Specifically designed by...
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    $119.99
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  • MasterCraft Fast Fill Ballast Impeller - 30 GPM MasterCraft Fast Fill Ballast Impeller - 30 GPM

    MasterCraft Fast Fill Ballast Impeller - 30 GPM

    MasterCraft
    $86.99
    MasterCraft Fast Fill Ballast Impeller - 30 GPM Replacement ballast Impeller for use with the optional Fast Fill Ballast Pumps in MasterCraft Boats. MasterCraft Fast Fill Ballast Impeller - 30 GPM are found in XT and X-Series boats with the Fast Fill...
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    $86.99
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