Inboard Boat Parts

Keep your inboard boat running strong with genuine replacement parts for Mastercraft, Supra, Moomba, and other top performance brands. Whether you own a ski boat, wakeboard boat, or wakesurf boat, WaterSkis.com has the inboard boat parts you need to keep your time on the water uninterrupted.

Explore our curated selection of Mastercraft boat parts, Supra boat parts, Moomba boat parts, and more—sourced from trusted OEMs and aftermarket brands known for quality, compatibility, and long-term durability. Our inventory includes engine components, electrical parts, ballast fittings, and maintenance essentials tailored to inboard boats used for watersports.

Not sure what fits your boat? Use our Boat Part Lookup Tool to match parts by make, model, and year for total confidence. At WaterSkis.com, we’re committed to helping you get back to skiing, surfing, and riding—with gear that performs when it counts.

Filters
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  •
    Quick view

    Indmar Transmission Cooler 9 x 1-1/4"

    Indmar
    $206.99
    Indmar Transmission Cooler 9 x 1-1/4" Indmar Transmission Cooler 9 x 1-1/4" Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $206.99
    Subtotal:
    Add to Cart
  • Indmar Throttle Sensor PPS, TCP
    Quick view

    Indmar Throttle Sensor PPS, TCP

    Indmar
    $199.99
    Indmar Throttle Sensor PPS, TCP Potentiometer replacement for throttlemate assembly throttle control potentiometer. ***Will not work in place of in-handle potentiometer*** Use the boat part look up below to ensure you are purchasing the correct part for...
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
    Add to Cart
  • MasterCraft Boat Cover - 2001-2002 Prostar 209
    Quick view

    MasterCraft Boat Cover - 2001-2002 Prostar 209

    Westland
    $439.99 - $919.99
    Exact Fit‚ MasterCraft Boat Cover - 2001-2002 Prostar 209 - 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...
    Options
    Qty in Cart: 0
    Price:
    $439.99 - $919.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 2001-2002 Prostar 190
    Quick view

    MasterCraft Boat Cover - 2001-2002 Prostar 190

    Westland
    $449.99 - $869.99
    Exact Fit‚ MasterCraft Boat Cover - 2001-2002 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...
    Options
    Qty in Cart: 0
    Price:
    $449.99 - $869.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 2001 X5 w/Tower
    Quick view

    MasterCraft Boat Cover - 2001 X5 w/Tower

    Westland
    $439.99 - $959.99
    Exact Fit‚ MasterCraft Boat Cover - 2001 X5 w/Tower - 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. Unbreakable...
    Options
    Qty in Cart: 0
    Price:
    $439.99 - $959.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 2000 X5 w/Tower
    Quick view

    MasterCraft Boat Cover - 2000 X5 w/Tower

    Westland
    $499.99 - $959.99
    Exact Fit‚ MasterCraft Boat Cover - 2000 X5 w/Tower - 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. Unbreakable...
    Options
    Qty in Cart: 0
    Price:
    $499.99 - $959.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 2000-2001 Prostar 195
    Quick view

    MasterCraft Boat Cover - 2000-2001 Prostar 195

    Westland
    $409.99 - $859.99
    Exact Fit‚ MasterCraft Boat Cover - 2000-2001 Prostar 195 - 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...
    Options
    Qty in Cart: 0
    Price:
    $409.99 - $859.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 2000 Prostar 190
    Quick view

    MasterCraft Boat Cover - 2000 Prostar 190

    Westland
    $419.99 - $879.99
    Exact Fit‚ MasterCraft Boat Cover - 2000 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...
    Options
    Qty in Cart: 0
    Price:
    $419.99 - $879.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1999-2002 Maristar 210 VRS
    Quick view

    MasterCraft Boat Cover - 1999-2002 Maristar 210 VRS

    Westland
    $509.99 - $1,059.99
    Exact Fit‚ MasterCraft Boat Cover - 1999-2002 Maristar 210 VRS - 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...
    Options
    Qty in Cart: 0
    Price:
    $509.99 - $1,059.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1999-2002 Prostar 205 (V-Drive)
    Quick view

    MasterCraft Boat Cover - 1999-2002 Prostar 205 (V-Drive)

    Westland
    $449.99 - $949.99
    Exact Fit‚ MasterCraft Boat Cover - 1999-2002 Prostar 205 (V-Drive) - 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...
    Options
    Qty in Cart: 0
    Price:
    $449.99 - $949.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1999-2000 Prostar 205 (Direct Drive)
    Quick view

    MasterCraft Boat Cover - 1999-2000 Prostar 205 (Direct Drive)

    Westland
    $459.99 - $949.99
    Exact Fit‚ MasterCraft Boat Cover - 1999-2000 Prostar 205 (Direct Drive) - 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...
    Options
    Qty in Cart: 0
    Price:
    $459.99 - $949.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1998-2001 Sportstar 19
    Quick view

    MasterCraft Boat Cover - 1998-2001 Sportstar 19

    Westland
    $459.99 - $869.99
    Exact Fit‚ MasterCraft Boat Cover - 1998-2001 Sportstar 19 - 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...
    Options
    Qty in Cart: 0
    Price:
    $459.99 - $869.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1998 Maristar 200
    Quick view

    MasterCraft Boat Cover - 1998 Maristar 200

    Westland
    $509.99 - $1,059.99
    Exact Fit‚ MasterCraft Boat Cover - 1998 Maristar 200 - 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...
    Options
    Qty in Cart: 0
    Price:
    $509.99 - $1,059.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1998 Maristar 225 VRS
    Quick view

    MasterCraft Boat Cover - 1998 Maristar 225 VRS

    Westland
    $519.99 - $1,109.99
    Exact Fit‚ MasterCraft Boat Cover - 1998 Maristar 225 VRS - 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...
    Options
    Qty in Cart: 0
    Price:
    $519.99 - $1,109.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1998-1999 Prostar 190
    Quick view

    MasterCraft Boat Cover - 1998-1999 Prostar 190

    Westland
    $489.99 - $949.99
    Exact Fit‚ MasterCraft Boat Cover - 1998-1999 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...
    Options
    Qty in Cart: 0
    Price:
    $489.99 - $949.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1996-1998 Prostar 205
    Quick view

    MasterCraft Boat Cover - 1996-1998 Prostar 205

    Westland
    $459.99 - $929.99
    Exact Fit‚ MasterCraft Boat Cover - 1996-1998 Prostar 205 - 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...
    Options
    Qty in Cart: 0
    Price:
    $459.99 - $929.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1994-1995 Prosport 205
    Quick view

    MasterCraft Boat Cover - 1994-1995 Prosport 205

    Westland
    $499.99 - $989.99
    Exact Fit‚ MasterCraft Boat Cover - 1994-1995 Prosport 205 - 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...
    Options
    Qty in Cart: 0
    Price:
    $499.99 - $989.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1994-1997 Maristar 200 VRS
    Quick view

    MasterCraft Boat Cover - 1994-1997 Maristar 200 VRS

    Westland
    $539.99 - $1,039.99
    Exact Fit‚ MasterCraft Boat Cover - 1994-1997 Maristar 200 VRS - 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...
    Options
    Qty in Cart: 0
    Price:
    $539.99 - $1,039.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1994-1997 Maristar 200
    Quick view

    MasterCraft Boat Cover - 1994-1997 Maristar 200

    Westland
    $539.99 - $1,039.99
    Exact Fit‚ MasterCraft Boat Cover - 1994-1997 Maristar 200 - 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...
    Options
    Qty in Cart: 0
    Price:
    $539.99 - $1,039.99
    Subtotal:
    Options
  • MasterCraft Boat Cover - 1993-1995 Prostar 205
    Quick view

    MasterCraft Boat Cover - 1993-1995 Prostar 205

    Westland
    $499.99 - $989.99
    Exact Fit‚ MasterCraft Boat Cover - 1993-1995 Prostar 205 - 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...
    Options
    Qty in Cart: 0
    Price:
    $499.99 - $989.99
    Subtotal:
    Options
  • Total: items /

Adding your products to cart

View Cart Continue Shopping

Whether you're fixing a small issue or tackling a full-season tune-up, WaterSkis.com is your go-to source for inboard boat parts that match your boat and your lifestyle. We carry trusted parts for MasterCraft, Supra, Moomba, and other leading ski and wakeboard boats—all backed by our expert support. Need help finding the exact part? Use our Boat Part Lookup Tool for a fast, accurate match. And don’t forget to check out related categories like Boat Cleaning Products and Ballast System Parts to complete your setup.