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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  • MasterCraft Muffler | 3.5" Inlet/Outlet- Vertical Port MasterCraft Muffler | 3.5" Inlet/Outlet- Vertical Port

    MasterCraft Muffler | 3.5" Inlet/Outlet- Vertical Port

    MasterCraft
    $599.99
    MasterCraft Muffler | 3.5" Inlet/Outlet- Vertical Port This is a genuine replacement fiberglass muffler for many MasterCraft boats. This is a single muffler for the Port Side of the boat on boats outfitted with a port and starboard side muffler. Use of...
    Qty in Cart: 0
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    $599.99
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  • MasterCraft Toggle Switch Blue LED 3 Position 8 Prong MasterCraft Toggle Switch Blue LED 3 Position 8 Prong

    MasterCraft Toggle Switch Blue LED 3 Position 8 Prong

    MasterCraft
    $50.99
    MasterCraft Toggle Switch Blue LED 3 Position 8 Prong MasterCraft Toggle Switch with blue LED. This is a 3 position MasterCraft switch with 8 prongs used where a 3 position (ON/OFF/ON) switch is required such as 2006 MasterCraft ballast, navigation and...
    Qty in Cart: 0
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    $50.99
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  • MasterCraft Glove Box Hinge MasterCraft Glove Box Hinge

    MasterCraft Glove Box Hinge

    MasterCraft

    $43.99
    MasterCraft Glove Box Hinge These replacement MasterCraft Glove Box Hinges feature a 4 hole mounting pattern with an adjustable friction adjustment. friction is adjustable via the top mounted screw allowing you to properly set the hinge preventing the...
    Qty in Cart: 0
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    $43.99
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  • Gas Shock 60# Sundeck and Trunk

    Gas Shock 60# Sundeck and Trunk

    MasterCraft
    MSRP: $19.99
    $14.99
    Gas Shock 60# Sundeck and Trunk Gas strut from MasterCraft Boats used on many MasterCraft boats side sundeck, trunk and ski storage areas. This shock features 60lbs of lift strength and is 15" in length making it the perfect fit for many MasterCraft...
    Qty in Cart: 0
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    MSRP: $19.99
    $14.99
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  • MasterCraft Circuit Breaker 5 Amp

    MasterCraft Circuit Breaker 5 Amp

    MasterCraft
    MSRP: $19.99
    $16.99
    MasterCraft Boats 5 Amp Circut Breaker Genuine MasterCraft boats 5 Amp circuit breaker. This marine circuit breaker is ignition protected for use in many marine applications. Features screw top installation with a two prong input. Midwest MasterCraft...
    Qty in Cart: 0
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    MSRP: $19.99
    $16.99
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  • Gas Shock 30# Sundeck and Trunk

    Gas Shock 30# Sundeck and Trunk

    MasterCraft

    $17.99
    MasterCraft Gas Shock 30# Sundeck and Trunk Gas strut from MasterCraft Boats used on many MasterCraft boats sundeck, trunk and ski storage areas. This shock features 30lbs of lift strength and is 12" in length making it the perfect fit for many ProStar...
    Qty in Cart: 0
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    $17.99
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  • MasterCraft OEM Drive Shaft 52.5" - 325 MasterCraft OEM Drive Shaft 52.5" - 325

    MasterCraft OEM Drive Shaft 52.5" - 325

    MasterCraft

    $799.99
    MasterCraft OEM Drive Shaft 52.5" - 325 This is a 52.5 inch long by 1 1/8 inch diameter MasterCraft drive shaft with coupler.  This is a Genuine MasterCraft replacement part. Includes new prop nut and cotter pin. Designed for boats with a splined...
    Qty in Cart: 0
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    $799.99
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  • MasterCraft Boats Domed Logo Decal

    MasterCraft Boats Domed Decal

    MasterCraft

    $299.99 - $449.99
    MasterCraft Boats Domed Logo Decal Damaged or Faded MasterCraft Graphics? Want to Update the look of your MasterCraft Boat? Bring your boat to the current MasterCraft Level with the Domed Molded MasterCraft Boats Logo Decal.64" LongDecals are sold...
    Qty in Cart: 0
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    $299.99 - $449.99
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  • OJ Prop Puller for Inboard Boats | 1-1/4" Shaft

    OJ Prop Puller For Inboard Boats | 1-1/4" Shaft

    OJ Props
    $160.00
    OJ Prop Puller for Inboard Boats | 1-1/4" Shaft Effortless Propeller Removal – Built Tough for Serious Boat Owners The OJ Prop Puller is a must-have tool for any inboard boat owner looking to remove or replace their propeller with ease and...
    Qty in Cart: 0
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    $160.00
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  • Skylon Skylon Tube Clamp Adapters - Pair - [White] Skylon Skylon Tube Clamp Adapters - Pair - [White] 2

    Skylon Skylon Tube Clamp Adapters - Pair - [White]

    Skylon
    $500.00
    Skylon Tube Clamp Adapters - Pair (P&S) The Skylon Tube Clamp Adapters make it easy to mount Skylon swivel board racks to just about any wake tower. Designed as a clean, secure transition point, these adapters bolt directly onto your existing tower...
    Qty in Cart: 0
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    $500.00
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  • Skylon Skylon Tube Clamp Adapters - Pair - [Black] Skylon Skylon Tube Clamp Adapters - Pair - [Black] 2

    Skylon Skylon Tube Clamp Adapters - Pair - [Black]

    Skylon
    $500.00
    Skylon Tube Clamp Adapters - Pair (P&S) The Skylon Tube Clamp Adapters make it easy to mount Skylon swivel board racks to just about any wake tower. Designed as a clean, secure transition point, these adapters bolt directly onto your existing tower...
    Qty in Cart: 0
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    $500.00
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  • Skylon Chaparral EFX Tower Adapters - Pair - [White] Skylon Chaparral EFX Tower Adapters - Pair - [White] 2

    Skylon Chaparral EFX Tower Adapters - Pair - [White]

    Skylon
    $290.00
    Skylon Chaparral EFX Tower Adapters - Pair (P&S) The Chaparral EFX Tower Adapters are designed to make adding Skylon swivel board racks to your Chaparral EFX tower simple and secure. These adapters bolt directly to the factory hole pattern, creating...
    Qty in Cart: 0
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    $290.00
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  • Skylon Centurion DropZone Tower Adapters - Pair - 2019-Current [White] Skylon Centurion DropZone Tower Adapters - Pair - 2019-Current [White] 2

    Skylon Centurion DropZone Tower Adapters - Pair - 2019-Current [White]

    Skylon
    $290.00
    Skylon Centurion DropZone Tower Adapters - Pair (P&S) The Skylon Centurion DropZone Tower Adapters are designed to make mounting Skylon swivel board racks to the Centurion DropZone Tower clean and straightforward. Built for a precise, tower-specific...
    Qty in Cart: 0
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    $290.00
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  • Skylon ATX Type-E Tower Adapters - Pair - 2022-Current [Black] Skylon ATX Type-E Tower Adapters - Pair - 2022-Current [Black] 2

    Skylon ATX Type-E Tower Adapters - Pair - 2022-Current [Black]

    Skylon
    $290.00
    Skylon ATX Type-E Tower Adapters - Pair (P&S) The Skylon ATX Type-E Tower Adapters are the clean, purpose-built solution for mounting Skylon swivel board racks to ATX Type-E towers. Designed as a direct transition piece, these adapters bolt straight...
    Qty in Cart: 0
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    $290.00
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  • Skylon Tige Alpha E2 / M2 Tower Adapters - Pair - 2017-2022 [Black] Skylon Tige Alpha E2 / M2 Tower Adapters - Pair - 2017-2022 [Black] 2

    Skylon Tige Alpha E2 / M2 Tower Adapters - Pair - 2017-2022 [Black]

    Skylon
    $290.00
    Skylon Tige Alpha E2 & M2 Tower Adapters - Pair (P&S) The Skylon Tige Alpha E2 & M2 Tower Adapters are built to provide a clean, secure mounting solution for Skylon swivel board racks on Tige Alpha E2 and M2 towers. Designed for a precise,...
    Qty in Cart: 0
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    $290.00
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  • Skylon ATX Type-E Tower Adapters - Pair - 2022-Current [White] Skylon ATX Type-E Tower Adapters - Pair - 2022-Current [White] 2

    Skylon ATX Type-E Tower Adapters - Pair - 2022-Current [White]

    Skylon
    $290.00
    Skylon ATX Type-E Tower Adapters - Pair (P&S) The Skylon ATX Type-E Tower Adapters are designed to make adding Skylon swivel board racks to ATX Type-E Towers clean and straightforward. Built for a precise, tower-specific fit, these adapters create a...
    Qty in Cart: 0
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    $290.00
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  • Skylon Tige Alpha E2 / M2 Tower Adapters - Pair - 2017-2022 [White] Skylon Tige Alpha E2 / M2 Tower Adapters - Pair - 2017-2022 [White] 2

    Skylon Tige Alpha E2 / M2 Tower Adapters - Pair - 2017-2022 [White]

    Skylon
    $290.00
    Skylon Tige Alpha E2 & M2 Tower Adapters - Pair (P&S) The Skylon Tige Alpha E2 & M2 Tower Adapters are built to provide a clean, secure mounting solution for Skylon swivel board racks on Tige Alpha E2 and M2 towers. Designed for a precise,...
    Qty in Cart: 0
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    $290.00
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  • Skylon Spring Lock Board Racks Mastercraft - Pair - 2012-Current [White] Skylon Spring Lock Board Racks Mastercraft - Pair - 2012-Current [White] 2

    Skylon SpringLock Board Racks Mastercraft - Pair - 2012-Current [White]

    Skylon
    $2,000.00
    Skylon SpringLock Spring Loaded Board Racks for MasterCraft Towers - Pair (P&S) The Skylon SpringLock Spring Loaded Board Racks for MasterCraft Towers are designed as a direct replacement for factory MasterCraft board racks, bringing modern security...
    Qty in Cart: 0
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    $2,000.00
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  • Skylon Supreme OCTO Tower Adapters - Pair - 2017-2019 [White] Skylon Supreme OCTO Tower Adapters - Pair - 2017-2019 [White] 2

    Skylon Supreme OCTO Tower Adapters - Pair - 2017-2019 [White]

    Skylon
    $290.00
    Skylon Supreme Octo Tower Adapters - Pair (P&S) The Skylon Supreme Octo Tower Adapters are designed to provide a clean, secure way to mount Skylon swivel board racks to Supreme Octo towers. Built for a precise, factory-style fit, these adapters bolt...
    Qty in Cart: 0
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    $290.00
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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.