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 ECM E-Control

    Indmar ECM E-Control

    Indmar
    $949.99
    Indmar ECM E-Control ***Since this ECM is custom programmed off the engine serial number you provide, it is NOT returnable for refunds/exchanges/etc.***  
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  • Ilmor Ignition Coil Assembly | PV06356 Ilmor Ignition Coil Assembly | PV06356

    Ilmor Ignition Coil Assembly | PV06356

    Ilmor
    $149.99
    Ilmor Ignition Coil Assembly | PV06356 Ilmor Ignition Coil for MasterCraft boats. This is a replacement for Ilmor MV8V-1026. Maintain like-new performance for your Ilmor engine with these Ilmor specified ignition coils. These coils are designed as a...
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    $149.99
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  • Ilmor Circulation Water Pump | PV08093

    Ilmor Circulation Water Pump | PV08093

    Ilmor
    $299.99
    Ilmor Circulation Water Pump | PV08093 ***Don't forget to order the 2 gaskets needed when replacing this pump*** The Ilmor Circulation Water Pump (part # PV08093) is designed as a direct replacement for OEM Ilmor marine engines—particularly the 5...
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    $299.99
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  • Ilmor Engine Control Module (ECU)

    Ilmor Engine Control Module (ECU)

    Ilmor
    $999.99
    Ilmor Engine Control Module (ECU) Please include engine serial number, hours, and number of starts in the notes on your order. Compatible with the following engines: MV8 5.7L-OPS - V-Drive 5000MPI (5.7L) - Direct Drive MV8 5.7L - Direct Drive 5000MPI (5...
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    $999.99
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  • Circulating Water Pump for GM  5.0 and 5.7 Engines

    Circulating Water Pump GM Engines

    $204.99
    Circulating Water Pump for GM Engines This is a new circulating water pump for Indmar and PCM GM marine engines. This pump fits GM 5.0 and 5.7 Liter small block GM engines. This pump is Standard (LH) rotation. Comes with new mounting gaskets to ensure a...
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    $204.99
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  • Ilmor Raw Water Pump Assembly | MV8V-1121

    Ilmor Raw Water Pump | MV8V-1121

    Ilmor

    $899.99
    Ilmor Engine Raw Water Pump Assembly The Ilmor raw water pump assembly is specifically designed to keep your boat running cool and efficiently all season long. Ilmor Raw Water Pump ASMB for MasterCraft boats. Specifically designed by Ilmor and...
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  • Ilmor Engine Control Module (ECU) | GEN 5 GDI

    Ilmor Engine Control Module (ECU) | GEN 5 GDI

    Ilmor
    $1,599.99
    Ilmor Engine Control Module (ECU) | GEN 5 GDI Please include engine serial number, hours, and number of starts in the notes on your order. ***Since this ECU is custom programmed off the engine serial number you provide, it is NOT returnable for...
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    $1,599.99
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  • Ilmor Raw Water Impeller | 51A0191

    Ilmor Raw Water Impeller | 51A0191

    Ilmor
    $79.99
    Ilmor Marine Raw Water Impeller Kit – 6.2L GDI Supercharged Engines Keep Your Ilmor Engine Running Cool – OEM-Raw Water Impeller Kit for Ilmor 6.2L GDI Supercharged Engines The Ilmor Marine Raw Water Impeller Kit is a must-have for...
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    $79.99
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  • Indmar Transmission Cooler 5" O-Ring Fitting w/Adapters

    Indmar Transmission Cooler 5" O-Ring Fitting w/Adapters

    Indmar
    $249.99
    Indmar Transmission Cooler 5" O-Ring Fitting w/Adapters 5" Oil or Transmission Cooler with 601015 adapter fittings for older 3/8" NPT connections. Use the boat part look up below to ensure you are purchasing the correct part for your boat.
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    $249.99
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  • Indmar PCV Valve

    Indmar PCV Valve

    Indmar
    $34.99
    Indmar PCV Valve Chevrolet PCV Valve - Straight. Type CV895C.   Use the boat part look up below to ensure you are purchasing the correct part for your boat.
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    $34.99
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  • Indmar Winged Drain Plug - 1/2" O-Ring Indmar Winged Drain Plug - 1/2" O-Ring

    Indmar Winged Drain Plug - 1/2" O-Ring

    Indmar
    $4.99
    Indmar Winged Drain Plug - 1/2" O-Ring Product Overview The Indmar 605176 Winged Plug is a purpose‑built marine drain plug designed for use in inboard marine engine systems, particularly those with tee‐fitting exhaust drain hoses. The plug features a...
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    $4.99
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  • Indmar Alternator V-Belt | 725018 Indmar Alternator V-Belt | 725018

    Indmar Alternator V-Belt | 725018

    Indmar
    $29.99
    Indmar Alternator V-Belt | 725018 Indmar 725018 Alternator V-Belt fits Indmar GM 5.7L Engines. Use the boat part look up to confirm it fits your year, make and model.  
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  • Indmar 4-Bolt ETC Monovalve Indmar 4-Bolt ETC Monovalve

    Indmar 4-Bolt ETC Monovalve

    Indmar
    $1,149.99
    Indmar 4-Bolt ETC Monovalve Electric Monovalve with 4 Bolt Mounting Flange. 5.7L/LS2/LY6/L96/LSA Also need to purchase a new gasket - Indmar Gasket Monovalve 4 Bolt  
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  • Indmar Exhaust Elbow Gasket Catalyst 5.7L

    Indmar Exhaust Elbow Gasket Catalyst 5.7L

    Indmar
    $13.99
    Indmar Exhaust Elbow Gasket Catalyst 5.7L Exhaust Elbow Gasket used on Small Block Chevrolet ETX Cat Exhaust. Sold Individually.
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    $13.99
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  • Indmar Exhaust Gasket Catalyst Special

    Indmar Exhaust Gasket Catalyst Special

    Indmar
    $39.99
    Indmar Exhaust Gasket Catalyst Special Chevrolet Small Block Exhaust Manifold Gasket. Sold Individually.
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    $39.99
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  • Indmar Starter Motor - GM Bottom Mount

    Indmar Starter Motor - GM Bottom Mount

    Indmar
    $299.99
    Indmar Starter Motor - GM Bottom Mount   Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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  • Indmar 6.2L Serpentine Belt | 725901

    Indmar 6.2L Serpentine Belt | 725901

    Indmar
    $119.99
    Indmar 6.2L Serpentine Belt | 725901 Indmar 725901 Serpentine Belt fits 2015 Indmar 6.2L Raptor 400/440.  
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    $119.99
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