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 Cap, Tank Degas | 1222

    Ilmor Cap, Tank Degas | 1222

    Ilmor
    $32.99
    Ilmor Cap, Tank Degas | 1222 This Ilmor degas tank cap is a perfect fit for your Ilmor engine and will ensure like-new performance and reliability.  
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    $32.99
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  • Ilmor Tensioner, MV8 GDI Drive Belt | PV07111

    Ilmor Tensioner, MV8 GDI Drive Belt | PV07111

    Ilmor
    $139.99
    Ilmor Tensioner, MV8 GDI Drive Belt | PV07111 The Ilmor tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration, and longer pulley life.    
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    $139.99
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  • Ilmor Fitting, #6 Plug | 1476

    Ilmor Fitting, #6 Plug | 1476

    Ilmor
    $22.99
    Ilmor Fitting, #6 Plug | 1476 Made with high-quality materials that ensure OEM specified performance.  
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    $22.99
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  • Ilmor Engine Mount-Stringer Adjustable Tall | PV06415

    Ilmor Engine Mount-Stringer Adjustable Tall | PV06415

    Ilmor
    $97.25
    Ilmor Engine Mount-Stringer Adjustable Tall | PV06415 These Ilmor engineered heavy-duty boat engine stringer mounts are specifically designed to provide an ideal clearance between your mount platform and your engine  
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    $97.25
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  • Ilmor Oil Fill Plug Gasket | PV07399

    Ilmor Oil Fill Plug Gasket | PV07399

    Ilmor
    $6.99
    Ilmor Oil Fill Plug Gasket | PV07399 The Ilmor approved oil fill plug gasket are made to ensure a proper, leak-free seal within the oil filter mount.  
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    $6.99
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  • Ilmor Remote Oil Filter Mount | PE01917

    Ilmor Remote Oil Filter Mount | PE01917

    Ilmor
    $114.99
    Ilmor Remote Oil Filter Mount | PE01917 Ilmor genuine replacement part provides an exact fit for your factory remote oil filter mount.  
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    $114.99
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  • Ilmor Throttle Body, 6000 GDI | PV07164

    Ilmor Throttle Body, 6000 GDI | PV07164

    Ilmor
    $299.99
    Ilmor Throttle Body, 6000 GDI | PV07164 Designed as an exact replacement for your factory-installed throttle body this quality Ilmor service part ensures your engine continues to have the same performance you expect out of Ilmor.  
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    $299.99
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  • Ilmor Air Filter 6000GDI (6.2 G5) | 50H-0063

    Ilmor Air Filter 6000GDI (6.2 G5) | 50H-0063

    Ilmor
    $149.99
    Ilmor Air Filter 6000GDI (6.2 G5) | 50H-0063 The Ilmor flame arrestor is manufactured from the best air-filtration materials available for marine engine use. Keep your Ilmor engine operating to factory specification with this genuine Ilmor filter.  
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    $149.99
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  • Ilmor 190 Degree Thermostat-4mm Hole | PE02006

    Ilmor 190 Degree Thermostat-4mm Hole | PE02006

    Ilmor
    $59.99
    Ilmor 190 Degree Thermostat-4mm Hole | PE02006 Have a boat engine that doesn’t seem to heat up? A lot of times, that problem is caused by a worn-out thermostat. Replace those failing thermostats this thermostat specifically designed to fit your Ilmor...
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    $59.99
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  • Ilmor Pulley, Tensioner with Lip | PV05821

    Ilmor Pulley, Tensioner with Lip | PV05821

    Ilmor
    $45.99
    Ilmor Pulley, Tensioner with Lip | PV05821 The Ilmor tensioner pulleys is built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration, and longer pulley life.  
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    $45.99
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  • Ilmor Exhaust Manifold with Catalyst Port | PE01447

    Ilmor Exhaust Manifold with Catalyst Port | PE01447

    Ilmor
    $2,499.99
      Ilmor Exhaust Manifold with Catalyst Port | PE01447 ***THIS PRODUCT IS NOT ELIGIBLE FOR RETURNS/REFUNDS/EXCHANGES. ALL SALES ARE FINAL ON THIS PRODUCT***  
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    $2,499.99
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  • Ilmor Formed Raw Water Pump/Circulation Pump Hose | PE01483

    Ilmor Formed Raw Water Pump/Circulation Pump Hose | PE01483

    Ilmor
    $59.99
    Ilmor Formed Raw Water Pump/Circulation Pump Hose | PE01483 This genuine Ilmor molded hose is specifically manufactured to fit your engine and is made from the highest quality materials ensuring reliability and durability.  
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    $59.99
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  • Ilmor Strainer Lid | 50H-0105

    Ilmor Strainer Lid | 50H-0105

    Ilmor
    $44.99
    Ilmor Strainer Lid | 50H-0105 This Ilmor replacement sea strainer lid is created with a convenient top side handle and high-density clear plastic to allow for unrestricted visual inspection.  
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    $44.99
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