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 Manifold Air Temp Sensor (MAT Sensor)| MV8V-105 Ilmor Manifold Air Temp Sensor (MAT Sensor)| MV8V-105

    Ilmor Manifold Air Temp Sensor | 1052

    Ilmor
    $34.99
    Ilmor Manifold Air Temp Sensor (MAT Sensor)| MV8V-1052 Ilmor MAT Sensor for MasterCraft boats. Specifically designed by Ilmor and MasterCraft for 5.7L 6.0L 6.2L Ilmor engines.  Tisi part cannot be returned if it is removed from the plastic bag it is...
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  • MasterCraft Fuel Line Disconnect Tool Fuel Line Disconnect Tool

    Fuel Line Disconnect Tool

    OReilly Auto Parts
    $19.99
    MasterCraft Fuel Line Disconnect Tool The Fuel Line Disconnect Tool is an essential part of removing fuel lines from a MasterCraft Fuel Pump!This tool makes quick work of removing the fuel lines from your in tank fuel pump. Removing the fuel line(s) is...
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    $19.99
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  • Prestolite Points

    Prestolite Points

    $33.99
    Prestolite Points Fits all Ford and GM based V8 engines using a Prestolite points distributor. This is the Points only, tune up kits are available for these boat engines as well. These engines were used by MasterCraft, Supra, and Nautique.Please note: No...
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  • Ilmor Engine Temperature Sensor | MV8V-1190 Ilmor Engine Temperature Sensor | MV8V-1190

    Ilmor Engine Temp Sensor | 1190

    Ilmor
    $40.99
    Ilmor Engine Temperature Sensor | MV8V-1190 Ilmor water temperature sensors are engineered for precision and durability and the highest signal accuracy. Ilmor Engine Temp Sensor for MasterCraft boats. Specifically designed by Ilmor and MasterCraft for...
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  • Indmar Thermostat Gasket Indmar Thermostat Gasket 3 Bolt For 350

    Indmar Thermostat Gasket 3 Bolt For 350

    Indmar
    $4.50
    Indmar Thermostat Gasket This thermostat gasket is commonly used on Indmar 350 block engines including the RTP-1, MCX, Assault and many others. This is a 3 bolt gasket used on the bottom half of the thermostat housing where it meets the intake manifold...
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    $4.50
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  • Ilmor Thermostat O-Ring | 2-149-N1470-70

    Ilmor Thermostat O-Ring | 1470-70

    Ilmor
    $1.99
    Ilmor Thermostat Housing O-Ring The Ilmor remote thermostat housing mounting o-ring offers application-specific materials to give you a sealing solution with the performance and durability you can trust. This Thermostat Housing O-Ring is used with both...
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    $1.99
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  • Ilmor O2 Sensor Upstream | MV8V-1017 Ilmor O2 Sensor Upstream | MV8V-1017

    Ilmor O2 Sensor Upstream | 1017

    Ilmor
    $210.99
    Ilmor O2 Sensor Upstream | MV8V-1017 Ilmor specified oxygen sensor is the recommended replacement for your Ilmor engine. The sensors provide special feedback to your engine’s exhaust system by measuring the proportion of oxygen in the exhaust gases...
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    $210.99
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  • Circulating Water Pump for Indmar & PCM Ford Engines

    Circulating Water Pump Ford Engines

    $274.99
    Circulating Water Pump for Indmar & PCM Ford Engines Fits all Ford based engines from Indmar, PCM, as well as others.  This new bi-rotational pump comes with a new mounting gasket to ensure a proper fit on your Ford 302 or 351 boat motor...
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  • Ilmor O2 Sensor Downstream | MV8V-1018 Ilmor O2 Sensor Downstream | MV8V-1018

    Ilmor O2 Sensor Downstream | 1018

    Ilmor
    $210.99
    Ilmor O2 Sensor Downstream | MV8V-1018 Ilmor specified oxygen sensor is the recommended replacement for your Ilmor engine. The sensors provide special feedback to your engine’s exhaust system by measuring the proportion of oxygen in the exhaust...
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  • Ilmor Spark Plug Wire Set | PL00224 Ilmor Spark Plug Wire Set | PL00224

    Ilmor Spark Plug Wire Set | PL00224

    Ilmor
    $74.99
    Ilmor Spark Plug Wire Set | PL00224 Ilmor’s spark plug wire set consists of a set of 8 wires, encased in a premium insulating material, connectors, and insulating boots and are the high-quality and trusted replacement for your Ilmor engine. Ilmor...
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  • Long Flexible Funnel

    Long Flexible Funnel

    $11.99
    Long Flexible Funnel For Oil and Transmission Fluid Long Flexible Funnel Fine mesh screen filters out most foreign matter. Non splashing. Lightweight floating polyethylene plastic. Makes putting oil and transmission fluid into hard to reach places a...
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  • Indmar Spark Plug Wire Set | 755007

    Indmar Spark Plug Wire Set | 755007

    Indmar
    $128.99
    Indmar Spark Plug Wire Set | 755007 Get the spark your engine needs with new spark plug wire set. Fits Indmar Ford 351w, 302 (5.8, 5.0) Spark Plug Wire Set, based small blocks with either a Prestolite or a Mallory distributor. Complete set of 9 wires...
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  • Ilmor Raw Water Pump | MV8V-1072

    Ilmor Raw Water Pump | MV8V-1072

    Ilmor

    $449.99
    Ilmor Raw Water Pump – MV8V‑1072 The Ilmor Raw Water Pump Assembly (MV8V‑1072) is an OEM replacement component engineered for Ilmor’s open-cooled MV8 marine engines (excluding 7.4L models). Designed to deliver consistent sea water flow to...
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  • MasterCraft Fuel Pump Filter for In-Tank Fuel pumps MasterCraft Fuel Pump Filter for In-Tank Fuel pumps

    MasterCraft Fuel Pump Filter for In-Tank Fuel pumps

    MasterCraft
    $0.00
      This filter is no longer made and sold by MasterCraft. You can purchase the aftermarket replacement filter here -> Fuel Pump Filter for In-Tank Fuel Pumps - MasterCraft
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  • Ilmor Starter Motor | 1003

    Ilmor Starter Motor | 1003

    Ilmor
    $689.99
    Ilmor Starter Motor The Ilmor starter is the component that gets your engine running, providing ultimate cranking power for reliable and consistent engine starts every time. Use the boat part look up below to ensure you are purchasing the correct part...
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    $689.99
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  • Ilmor Knock Sensor w/Bolt | 1015 Ilmor Knock Sensor w/Bolt | 1015

    Ilmor Knock Sensor w/Bolt | 1015

    Ilmor
    $29.99
    Ilmor Knock Sensor w/Bolt | 1015 Ilmor Knock Sensor for MasterCraft boats. Specifically designed by Ilmor and MasterCraft for 5.7L 6.0L 6.2L Ilmor engines.  Made with high-quality materials that ensure OEM specified performance.  Use the boat part...
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  • MasterCraft Ignition Switch With Keys MasterCraft Ignition Switch With Keys

    MasterCraft Ignition Switch With Keys

    MasterCraft

    $169.99
    MasterCraft Ignition Switch Keep your boat starting like new every time with this genuine MasterCraft Ignition Switch with keys. This switch is the replacement part for virtually all MasterCraft boats dating back to 1968. This switch installs easily and...
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  • Indmar/PCM Ford 351 HO 285 HP Spark Plugs

    MasterCraft Boats Engine Spark Plug Set (Ford HO High Output Engine)

    Indmar
    MSRP: $59.99
    $54.99
    Indmar/PCM Ford 351 HO 285 HP Spark Plugs Fits all HO Ford 351w engines like 285 HP Indmar 5.8, PCM Pro Boss GT-40, etc. with GT-40 heads. Set of 8. Specs; Plug gap .035".Please note: No returns will be accepted on installed MasterCraft parts. Use the...
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    MSRP: $59.99
    $54.99
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  • 1.25" Wire Reinforced Hose

    1.25" Wire Reinforced Hose Per Foot

    Hannays
    $13.00
    1.25" Wire Reinforced Hose This 1.25" wire reinforced hose is commonly found on marine engines and can be used in water or exhaust situations. This hose is reinforced with wire helix imbedded between plies of HD synthetic cord. It is resistant to exhaust...
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    $13.00
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  • Prestolite Distributor Rotor (1987 & newer)

    Rotor (87-Up) Ford and GM

    Indmar
    $34.99
    Prestolite Distributor Rotor (1987 & newer) Fits Ford and GM based V8 engines 1987 and newer with a Prestolite distributor. This is the Rotor only. These engines were used by MasterCraft, Malibu, Supra and Moomba boats. Note: There were a FEW 1987...
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    $34.99
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