Inboard Boat Parts

Get the performance and reliability your inboard boat demands with premium replacement parts from WaterSkis.com. Whether you’re maintaining a MasterCraft, Supra, or Moomba boat, we offer a wide selection of genuine and OEM-compatible inboard boat parts to keep your engine, drivetrain, and cooling systems running strong.

From impellers and ignition components to thermostats and transmission parts, every item in this category is curated for quality, compatibility, and long-lasting performance. Not sure where to start? Use our Boat Part Lookup Tool to instantly find the exact part you need for your specific make, model, and engine configuration.

At WaterSkis.com, we know your time on the water matters. That’s why we make it easy to find the right boat parts—fast, accurate, and backed by real-world expertise.

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  • OJ Evolution Prop 17.5X16.5-4 Blade | Splined | Bore 1 1/8" | LH
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    OJ Evolution Prop 17.5X16.5-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Props
    MSRP: $1,128.00
    $958.80
    OJ Evolution Prop 17.5X16.5-4 Blade | Splined | Bore 1 1/8" | LH The OJ Evolution 3028-MF 4 Blade 17.5" X 16.5" LH 4-BLADE SPLINED BORE Propeller features a complete blade shape and pitch distribution redesign. Evolving from our successful WAKEPRO and...
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    MSRP: $1,128.00
    $958.80
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  • OJ Evolution Prop 16.5X15-4 Blade | Splined | Bore 1 1/8" | LH
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    OJ Evolution Prop 16.5X15-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Props
    MSRP: $1,079.00
    $917.15
    OJ Evolution Prop 16.5X15-4 Blade | Splined | Bore 1 1/8" | LH The OJ Evolution 3027-MF 4 Blade 16.5" X 15" LH 4-BLADE SPLINED BORE Propeller features a complete blade shape and pitch distribution redesign. Evolving from our successful WAKEPRO and V-4...
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    MSRP: $1,079.00
    $917.15
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  • OJ Evolution Prop 15X15.25-4 Blade | Splined | Bore 1 1/8" | LH
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    OJ Evolution Prop 15X15.25-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Props
    MSRP: $853.00
    $725.05
    OJ Evolution Prop 15X15.25-4 Blade | Splined | Bore 1 1/8" | LH The OJ Evolution 3025-MF 4 Blade 15" X 15.25" LH 4-BLADE SPLINED BORE Propeller features a complete blade shape and pitch distribution redesign. Evolving from our successful WAKEPRO and V-4...
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    MSRP: $853.00
    $725.05
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  • OJ Evolution Prop 16.5X17-4 Blade | Splined | Bore 1 1/8" | LH
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    OJ Evolution Prop 16.5X17-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Props
    MSRP: $1,079.00
    $917.15
    OJ Evolution Prop 16.5X17-4 Blade | Splined | Bore 1 1/8" | LH The OJ Evolution 3009-MF 4 Blade 16.5" X 17" LH 4-BLADE SPLINED BORE Propeller features a complete blade shape and pitch distribution redesign. Evolving from our successful WAKEPRO and V-4...
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    MSRP: $1,079.00
    $917.15
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  • OJ Evolution Prop 18X16-4 Blade | Splined | Bore 1 1/8" | LH
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    OJ Evolution Prop 18X16-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Props
    MSRP: $1,173.00
    $997.08
    OJ Evolution Prop 18X16-4 Blade | Splined | Bore 1 1/8" | LH The OJ Evolution 3007-MF 4 Blade 18" X 16" LH 4-BLADE SPLINED BORE Propeller features a complete blade shape and pitch distribution redesign. Evolving from our successful WAKEPRO and V-4...
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    MSRP: $1,173.00
    $997.08
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    Bimini Canvas Only w/Boot (Black) - ZFT4 XSTAR

    MasterCraft
    $999.99
    Bimini Canvas Only w/Boot (Black) - ZFT4 XSTAR Bimini Canvas Only w/Boot. Black in color. For ZFT4 Tower XSTAR. ***Please call or email us with your boat Hull ID Number to verify fit***This canvas is made to order from MasterCraft. All canvas order take...
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    $999.99
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  • OJ Evolution Prop 13X15-4 Blade | Splined | Bore 1 1/8" | LH
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    OJ Evolution Prop 13X15-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Props
    MSRP: $613.00
    $521.05
    OJ Evolution Prop 13X15-4 Blade | Splined | Bore 1 1/8" | LH The OJ Evolution 3024-MF 4 Blade 13" X 15" LH 4-BLADE SPLINED BORE Propeller features a complete blade shape and pitch distribution redesign. Evolving from our successful WAKEPRO and V-4...
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    MSRP: $613.00
    $521.05
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  • Moomba +Heater Blower Motor
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    Moomba +Heater Blower Motor

    Skiers Choice
    $329.99
    Moomba +Heater Blower Motor This is the OEM replacement +Heater Blower Motor for 2010-2021 Moomba's with a heater. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $329.99
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  • Moomba Mojo Pro Platform Pad - 2017
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    Moomba Mojo Pro Platform Pad - 2017

    Moomba Boats
    $749.99
    Moomba Mojo Pro Platform Pad - 2017 Moomba Platform Non-Skid. Grey Color. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
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    $749.99
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  • Closeout
    MasterCraft Viper/Clarion Interface 09-11
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    Closeout

    MasterCraft Viper/Clarion Interface 09-11

    MasterCraft
    MSRP: $549.99
    $299.99
    MasterCraft Viper/Clarion Interface 09-11 MasterCraft Viper/Clarion Interface 09-11. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $549.99
    $299.99
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  • Closeout
    MasterCraft Viper Module - No Nav 10-11
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    Closeout

    MasterCraft Viper Module - No Nav 10-11

    MasterCraft
    MSRP: $6,999.99
    $1,299.99
    MasterCraft Viper Module - No Nav 10-11 MasterCraft Viper Module - No Nav 10-11. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $6,999.99
    $1,299.99
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  • Closeout
    MasterCraft Gauge - Temp Redline Dial 2 MasterCraft Gauge - Temp Redline Dial 2
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    Closeout

    MasterCraft Gauge - Temp Redline Dial 2

    MasterCraft
    MSRP: $399.99
    $249.99
    MasterCraft Gauge - Temp Redline Dial 2 MasterCraft Gauge - Temp 2. Redline Dial face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $399.99
    $249.99
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  • MasterCraft Gauge - Speedo White 3 MasterCraft Gauge - Speedo White 3
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    MasterCraft Gauge - Speedo White 3

    MasterCraft
    $749.99
    MasterCraft Gauge - Speedo White 3 MasterCraft Gauge - Speedo 3. White face.      
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    $749.99
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  • Closeout
    MasterCraft Gauge - Tach 3 Silver MasterCraft Gauge - Tach 3 Silver
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    Closeout

    MasterCraft Gauge - Tach 3 Silver

    MasterCraft
    MSRP: $399.99
    $199.99
    MasterCraft Gauge - Tach 3 Silver MasterCraft Gauge - Tach 3. Silver face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $399.99
    $199.99
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  • Closeout
    MasterCraft Gauge - MTS Ballast 2 Black MasterCraft Gauge - MTS Ballast 2 Black
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    Closeout

    MasterCraft Gauge - MTS Ballast 2 Black

    MasterCraft
    MSRP: $749.99
    $124.99
    MasterCraft Gauge - MTS Ballast 2 Black MasterCraft Gauge - MTS Ballast 2. Black face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $749.99
    $124.99
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  • Closeout
    MasterCraft Gauge - Clock 2 Black MasterCraft Gauge - Clock 2 Black
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    Closeout

    MasterCraft Gauge - Clock 2 Black

    MasterCraft
    MSRP: $249.99
    $124.99
    MasterCraft Gauge - Clock 2 Black MasterCraft Gauge - Clock 2. Black face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $249.99
    $124.99
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  • Closeout
    MasterCraft Gauge - Fuel 2 Gray MasterCraft Gauge - Fuel 2 Gray
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    Closeout

    MasterCraft Gauge - Fuel 2 Gray

    MasterCraft
    MSRP: $149.99
    $74.99
    MasterCraft Gauge - Fuel 2 Gray MasterCraft Gauge - Fuel 2. Gray face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $149.99
    $74.99
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  • Closeout
    MasterCraft Gauge - Fuel 2 Black MasterCraft Gauge - Fuel 2 Black
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    Closeout

    MasterCraft Gauge - Fuel 2 Black

    MasterCraft
    MSRP: $149.99
    $74.99
    MasterCraft Gauge - Fuel 2 Black MasterCraft Gauge - Fuel 2. Black face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $149.99
    $74.99
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  • Closeout
    MasterCraft Gauge - Tach/Hour Meter Gray MasterCraft Gauge - Tach/Hour Meter Gray
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    Closeout

    MasterCraft Gauge - Tach/Hour Meter Gray

    MasterCraft
    MSRP: $349.99
    $149.99
    MasterCraft Gauge - Tach/Hour Meter Gray MasterCraft Gauge - Tach/Hour Meter. Gray face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $349.99
    $149.99
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  • Closeout
    MasterCraft Gauge - Oil 2 White MasterCraft Gauge - Oil 2 White
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    Closeout

    MasterCraft Gauge - Oil 2 White

    MasterCraft
    MSRP: $349.99
    $124.99
    MasterCraft Gauge - Oil 2 White MasterCraft Gauge - Oil 2. White face. ***All Closeout item sales are final. No returns/refunds/exchanges.***    
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    MSRP: $349.99
    $124.99
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At WaterSkis.com, we combine deep product knowledge with industry-leading tools to help boat owners find the exact inboard boat parts they need. Whether you're working on a MasterCraft, Supra, or Moomba, our parts deliver the fit and reliability you can trust.

Use our Boat Part Lookup Tool to simplify your search, or explore related categories like cooling systems, engine components, and ignition parts. We’ve got everything you need to keep your boat running at its best.