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 Boat Cover - 1993-1997 Maristar 225

    MasterCraft Boat Cover - 1993-1997 Maristar 225

    Westland
    $549.99 - $1,109.99
    Exact Fit‚ MasterCraft Boat Cover - 1993-1997 Maristar 225 - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $549.99 - $1,109.99
    Subtotal:
  • MasterCraft Boat Cover - 1991-1992 Maristar 210

    MasterCraft Boat Cover - 1991-1992 Maristar 210

    Westland
    $549.99 - $1,049.99
    Exact Fit‚ MasterCraft Boat Cover - 1991-1992 Maristar 210 - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $549.99 - $1,049.99
    Subtotal:
  • MasterCraft Boat Cover - 1990-1991 Tristar 190 Walk-Thru

    MasterCraft Boat Cover - 1990-1991 Tristar 190 Walk-Thru

    Westland
    $479.99 - $949.99
    Exact Fit‚ MasterCraft Boat Cover - 1990-1991 Tristar 190 Walk-Thru - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover...
    Qty in Cart: 0
    Price:
    $479.99 - $949.99
    Subtotal:
  • MasterCraft Boat Cover - 1990-1991 Tristar 190

    MasterCraft Boat Cover - 1990-1991 Tristar 190

    Westland
    $489.99 - $959.99
    Exact Fit‚ MasterCraft Boat Cover - 1990-1991 Tristar 190 - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $489.99 - $959.99
    Subtotal:
  • MasterCraft Boat Cover - 1990-1992 Maristar 240 Walk-Thru

    MasterCraft Boat Cover - 1990-1992 Maristar 240 Walk-Thru

    Westland
    $609.99 - $1,249.99
    Exact Fit‚ MasterCraft Boat Cover - 1990-1992 Maristar 240 Walk-Thru - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover...
    Qty in Cart: 0
    Price:
    $609.99 - $1,249.99
    Subtotal:
  • MasterCraft Boat Cover - 1990-1992 Maristar 240 SC

    MasterCraft Boat Cover - 1990-1992 Maristar 240 SC

    Westland
    $779.99 - $1,349.99
    Exact Fit‚ MasterCraft Boat Cover - 1990-1992 Maristar 240 SC - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $779.99 - $1,349.99
    Subtotal:
  • MasterCraft Boat Cover - 1995-1997 Prostar 190

    MasterCraft Boat Cover - 1995-1997 Prostar 190

    Westland
    $459.99 - $869.99
    Exact Fit‚ MasterCraft Boat Cover - 1995-1997 Prostar 190 - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $459.99 - $869.99
    Subtotal:
  • MasterCraft Boat Cover - 1991-1994 Prostar 190

    MasterCraft Boat Cover - 1991-1994 Prostar 190

    Westland
    $469.99 - $909.99
    Exact Fit‚ MasterCraft Boat Cover - 1991-1994 Prostar 190 - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $469.99 - $909.99
    Subtotal:
  • 1990-1991 Tristar 220 Walk-Thru

    MasterCraft Boat Cover - 1990-1991 Tristar 220 Walk-Thru

    Westland
    $559.99 - $1,049.99
    Exact Fit‚ MasterCraft Boat Cover - 1990-1991 Tristar 220 Walk-Thru - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover...
    Qty in Cart: 0
    Price:
    $559.99 - $1,049.99
    Subtotal:
  • MasterCraft Boat Cover - 1988-1990 Prostar 190

    MasterCraft Boat Cover - 1988-1990 Prostar 190

    Westland
    $499.99 - $849.99
    Exact Fit‚ MasterCraft Boat Cover - 1988-1990 Prostar 190 - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $499.99 - $849.99
    Subtotal:
  • MasterCraft Boat Cover - 1987 Prostar 190

    MasterCraft Boat Cover - 1987 Prostar 190

    Westland
    $419.99 - $849.99
    Exact Fit‚ MasterCraft Boat Cover - 1987 Prostar 190 - Black Exact fit covers are often patterned after the boat as it rolls off the showroom floor. The pattern maker measures every curve and contour to ensure the best-fitting cover possible...
    Qty in Cart: 0
    Price:
    $419.99 - $849.99
    Subtotal:
  • Just-In-Case Prop Kit - 15" Puller Hard Case Just-In-Case Prop Kit - 15" Puller Hard Case

    Just-In-Case Prop Kit - 15" Puller Hard Case

    OJ Props
    $319.00
    OJ Prop Just-In-Case Prop Kit - 15" Puller Hard Case This kit contains all you need to replace a damaged propeller, including a 3/4″ brass Nylock prop nut, brass key, stainless steel cotter pin, Stainless Steel Powder Coated Prop Puller, machined...
    Qty in Cart: 0
    Quantity:
    Price:
    $319.00
    Subtotal:
  • OJ Just-In-Case Prop Kit - 18" Knocker Hard Case Add a Product - Just-In-Case Prop Kit - 18" Knocker Hard Case

    Just-In-Case Prop Kit - 18" Knocker Hard Case

    OJ Props
    $268.00
    Just‑In‑Case Prop Kit – 18″ Knocker Hard Case Don't be caught dead in the water—this fully loaded prop kit ensures you're prepared for prop emergencies up to 18″ diameter. Housed in a rugged, waterproof hard case, the kit...
    Qty in Cart: 0
    Quantity:
    Price:
    $268.00
    Subtotal:
  • Lenco Actuator (Swell) | 910

    Lenco Actuator (Swell) | 910

    Skiers Choice
    $579.99
    Lenco Actuator (Swell) | 910 This is the OEM replacement for Moomba and Supra Boats. Get your surf system back up and running with a new actuator. Please use the boat part look up below to ensure you have the correct part for your year, make, and model...
    Qty in Cart: 0
    Quantity:
    Price:
    $579.99
    Subtotal:
  • Johnson Bilge Float Switch

    $84.99
    Johnson Bilge Float Switch Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
    Qty in Cart: 0
    Quantity:
    Price:
    $84.99
    Subtotal:
  • Rule Bilge Float Switch

    $74.99
    Rule Bilge Float Switch Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
    Qty in Cart: 0
    Quantity:
    Price:
    $74.99
    Subtotal:
  • Rule Bilge Pump | 500GPH

    $63.99
    Rule Bilge Pump 500GPH This is a universal Rule Bilge Pump 500GPH. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
    Qty in Cart: 0
    Quantity:
    Price:
    $63.99
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  • MasterCraft 1 1/8" Strut Bearing | 200165 MasterCraft 1 1/8" Strut Bearing | 200165

    MasterCraft 1 1/8" Strut Bearing | 200165

    MasterCraft
    $97.25
    MasterCraft Boats Drive Shaft Strut Bearing 1 1/8" This is the Replacement MasterCraft Strut Bushing/Bearing for a 1 1/8" strut. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
    Qty in Cart: 0
    Quantity:
    Price:
    $97.25
    Subtotal:
  • MasterCraft V-Dig Button Replacement Kit MasterCraft V-Dig Button Replacement Kit

    MasterCraft V-Dig Button Replacement Kit

    MasterCraft
    $59.99
    MasterCraft V-Dig Button Replacement Kit If your buttons on your Medallion V-Dig found in MasterCraft Boats in the late 2000's are not allowing you to change through the menu you might be in need of a new button kit. Get your V-Dig functional again!
    Qty in Cart: 0
    Quantity:
    Price:
    $59.99
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  • OJ Prop 15X13.5-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Prop 15X13.5-4 Blade | Splined | Bore 1 1/8" | LH

    OJ Props
    MSRP: $828.00
    $725.05
    OJ Prop 15X13.5-4 Blade | Splined | Bore 1 1/8" | LH By refining OJ Propellers original superior design, they have produced their finest performing line of propellers. The Wakepro V-4 propellers boast an enhanced pitch distribution along with a new...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $725.05
    Subtotal:
  • Total: items /

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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.