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
  • Moomba Boats Chrome Decal 69" Moomba Boats Chrome Decal 69" 2

    Moomba Boats Chrome Decal 69"

    Moomba Boats
    $299.99
    Moomba Boats Chrome Decal 69" The Moomba Boats Chrome Decal is a 69" logo for the side of your Moomba boat. This OEM Moomba decal will work great to update your boat. Decal Size 4.75" x 69" This decal is sold individually.
    Qty in Cart: 0
    Quantity:
    Price:
    $299.99
    Subtotal:
  • 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...
    Qty in Cart: 0
    Quantity:
    Price:
    $689.99
    Subtotal:
  • Roswell Elite Surf and Wakeboard Rack 1 Roswell Elite Surf and Wakeboard Rack 2

    Roswell Elite Surf and Wakeboard Rack

    Roswell
    $506.00
    Roswell Elite Surf and Wakeboard Rack What a classic! The Roswell Surf and Wakeboard Rack will hold on wakeboard and one surfboard on the same rack. Featuring a brushed anodized backing plate with black RWA logo medallion and integrated webbed bungee...
    Qty in Cart: 0
    Quantity:
    Price:
    $506.00
    Subtotal:
  • Gas Shock 50# Bow Lift and Sun Deck

    Gas Shock 50# Bow Lift and Sun Deck

    MasterCraft
    MSRP: $19.99
    $12.99
    Gas Shock 50lb Bow Lift and Sun Deck Gas shock from MasterCraft Boats used on many MasterCraft boats for the Bow Lift or Sun Deck. This gas shock has 50lbs of pressure and measures 20" in length.This shock is designed to fit the following MasterCraft...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.99
    $12.99
    Subtotal:
  • Indmar Ford Raptor 6.2L Oil Filter

    Ford Raptor 6.2L Oil Filter

    $15.99
    Indmar Ford Raptor 6.2L Oil Filter Fits all Ford Raptor 6.2L for the 2016 motel year and newer.  Marine engines should get an oil and filter change every 50 hours of run time. Keep your Ford based marine engine running at peak performance with this...
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • MasterCraft Fulton Trailer Winch

    MasterCraft Fulton Trailer Winch

    $304.99
    MasterCraft Trailer Winch Replace your worn or broken MasterCraft trailer winch (works for many other trailers too). This is a 1800lb Fulton XLT Series winch. Features an efficient gear ratio, full length drum bearings, oil impregnated shaft bushing and...
    Qty in Cart: 0
    Quantity:
    Price:
    $304.99
    Subtotal:
  • 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...
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • MasterCraft Muffler | 3" Straight 42" MasterCraft Muffler | 3" Straight 42"

    MasterCraft Muffler | 3" Straight 42"

    MasterCraft
    $249.99
    MasterCraft Muffler 3" Straight 42" This is a genuine replacement fiberglass muffler for many MasterCraft boats. This muffler was typically used in direct drive boats made from 1979 to 1982 and features a 3" in and out with an average overall length of...
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • MasterCraft Circuit Breaker 10 Amp

    MasterCraft Circuit Breaker 10 Amp

    MasterCraft
    MSRP: $19.99
    $16.99
    MasterCraft Circuit Breaker 10 Amp Genuine MasterCraft boats 10 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
    Quantity:
    Price:
    MSRP: $19.99
    $16.99
    Subtotal:
  • Log Shaft Packing For 1" Drive Shaft Log Shaft Packing For 1" Drive

    Log Shaft Packing For 1" Drive Shaft

    $4.99
    Log Shaft Packing For 1" Drive Shaft Wax impregnated rope for drive shaft and rudder stuffing boxes. Each piece is 1/4" diameter and 4.5" long. The 1/4" shaft packing is designed for boats with a 1" drive shaft which is commonly found on 2002 and older...
    Qty in Cart: 0
    Quantity:
    Price:
    $4.99
    Subtotal:
  • 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...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $59.99
    $54.99
    Subtotal:
  • Steering Cable Adapter

    Steering Cable Adapter for Rotary Cables

    SeaStar Solutions
    $32.99
    Steering Cable Adapter This steering cable adapter is REQUIRED when installing a new rotary Steering cable in Select MasterCraft boats produced from 1991 to 1999. Use the boat part look up below to ensure you are purchasing the correct part for your boat...
    Qty in Cart: 0
    Quantity:
    Price:
    $32.99
    Subtotal:
  • Ilmor 95 Amp Alternator | PV06102 Ilmor 95 Amp Alternator | PV06102

    Ilmor 95 Amp Alternator | PV06102

    Ilmor
    $424.99
    Ilmor 95 Amp Alternator | PV06102 Ilmor 95 Amp Alternator with pulley is manufactured to provide superior quality, industry-leading coverage, and extreme durability. Designed to withstand the extreme electrical rigors demanded from today’s...
    Qty in Cart: 0
    Quantity:
    Price:
    $424.99
    Subtotal:
  • MasterCraft Tower Navigation Light Tower Navigation Light for 2010 and 2011 MasterCraft Towers

    Tower Navigation Light for 2010 and 2011 MasterCraft Towers

    MasterCraft
    $51.99
    MasterCraft Tower Navigation Light Replacement MasterCraft Tower Navigation Light for use on many 2010 and newer MasterCraft Wakeboard towers including those with a tower mounted camera. This is an exact fit meaning it's a quick and easy repair. This...
    Qty in Cart: 0
    Quantity:
    Price:
    $51.99
    Subtotal:
  • 19' MasterCraft Steering Cable

    19' Steering Cable

    SeaStar Solutions

    $249.99
    19' MasterCraft Steering Cable When the steering on your boat gets stiff it's time to replace the steering cable. This 19' MasterCraft Steering Cable is a direct replacement for Many MasterCraft boats produced from 1999 to 2012. A new steering cable...
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • Gas Shock 40# Observers Seat Lift Back

    Gas Shock 40# Observers Seat Lift Back

    MasterCraft

    MSRP: $19.99
    $18.99
    Gas Shock 40# Observers Seat Lift Back Gas strut from MasterCraft Boats used on ProStar 190, 197 214 and 214V observer seats. This gas shock is also used on MasterCraft X-7, X-14 and X-14V observer seats. Gas shock measures 15" in length and features...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.99
    $18.99
    Subtotal:
  • 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...
    Qty in Cart: 0
    Quantity:
    Price:
    $13.00
    Subtotal:
  • MasterCraft OEM Rudder - 176 MasterCraft OEM Rudder - 176

    MasterCraft OEM Rudder - 176

    MasterCraft
    $599.99
    MasterCraft OEM Rudder- 176 This genuine MasterCraft OEM Rudder is model specific. If you have damaged your rudder it is typical that your Rudder Port is also damaged along with other UnderWater Gear. Use the Parts Finder to select your year make and...
    Qty in Cart: 0
    Quantity:
    Price:
    $599.99
    Subtotal:
  • MasterCraft MMDC Box Mini M3 '08-'09 VDIG Only

    MasterCraft MMDC Box Mini M3 '08-'09 VDIG Only

    MasterCraft
    $3,999.99
    MasterCraft MMDC Box Mini M3 VDIG '08-'09 Gauges not working after the winter or a cold snap? Your MMDC box is most likely the problem. Replace your MasterCraft MMDC Box and get everything back to working! This is an OEM MasterCraft specific part...
    Qty in Cart: 0
    Quantity:
    Price:
    $3,999.99
    Subtotal:
  • MasterCraft Replacement Exhaust Tip MasterCraft Exhaust Tip Replacement

    MasterCraft Exhaust Tip Replacement

    MasterCraft
    MSRP: $79.99
    $74.99
    MasterCraft Replacement Exhaust Tip This is a genuine replacement stainless steel exhaust tip for MasterCraft X-14V and ProStar 214V boats. Replace your blown out exhaust tip with this factory replacement. Includes new tip and two stainless steel rivets...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $79.99
    $74.99
    Subtotal:
  • Total: items /

Adding your products to cart

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.