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
  • Ilmor Transmission Mount Port (45A/63A/63IV)

    Ilmor Transmission Mount Port (45A/63A/63IV)

    Ilmor
    $134.99
    Ilmor Transmission Mount Port (45A/63A/63IV) Ilmor port side transmission mount is an exact replacement for your factory-installed mount and provides the same reliability and quality you expect from Ilmor.    
    Qty in Cart: 0
    Quantity:
    Price:
    $134.99
    Subtotal:
  • Ilmor Transmission Mount Starboard (45A/63A/63IV)

    Ilmor Transmission Mount Starboard (45A/63A/63IV)

    Ilmor
    $134.99
    Ilmor Transmission Mount Starboard (45A/63A/63IV) Ilmor’s starboard transmission mount is an exact replacement for your factory-installed mount and provides the same reliability and quality you expect from Ilmor.  
    Qty in Cart: 0
    Quantity:
    Price:
    $134.99
    Subtotal:
  • Ilmor Engine Oil Pressure Sensor | PV07169

    Ilmor Engine Oil Pressure Sensor | PV07169

    Ilmor
    $100.99
    Ilmor Engine Oil Pressure Sensor | PV07169 This sensor is designed to work as a direct replacement for your factory-installed engine oil pressure sensor and is manufactured to exact factory specifications.  
    Qty in Cart: 0
    Quantity:
    Price:
    $100.99
    Subtotal:
  • Ilmor Oil Drain Hose | PE01916

    Ilmor Oil Drain Hose | PE01916

    Ilmor
    $114.99
    Ilmor Oil Drain Hose | PE01916 This genuine Ilmor hose is specifically manufactured to fit your engine and is made from the highest quality materials ensuring reliability and durability.    
    Qty in Cart: 0
    Quantity:
    Price:
    $114.99
    Subtotal:
  • Ilmor Fiber Washer | PV07955

    Ilmor Fiber Washer | PV07955

    Ilmor
    $8.99
    Ilmor Fiber Washer | PV07955 Made with high-quality materials that ensure OEM specified performance.  
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • Ilmor Jumper Lead, Coolant Temp | PL00373

    Ilmor Jumper Lead, Coolant Temp | PL00373

    Ilmor
    $28.99
    Ilmor Jumper Lead, Coolant Temp | PL00373 This jumper lead is a direct replacement part for your coolant temperature sensor.  
    Qty in Cart: 0
    Quantity:
    Price:
    $28.99
    Subtotal:
  • Ilmor Distributor Mounting Gasket | PV05903

    Ilmor Distributor Mounting Gasket | PV05903

    Ilmor
    $2.99
    Ilmor Distributor Mounting Gasket | PV05903 This Ilmor distributor mounting gasket is manufactured from factory specified materials to provide performance and durability you can rely on.  
    Qty in Cart: 0
    Quantity:
    Price:
    $2.99
    Subtotal:
  • Ilmor Engine Oil Pressure Sensor | 1136

    Ilmor Engine Oil Pressure Sensor | 1136

    Ilmor
    $109.99
    Ilmor Engine Oil Pressure Sensor | 1136 This sensor is designed to work as a direct replacement for your factory-installed engine oil pressure sensor and is manufactured to exact factory specifications.  
    Qty in Cart: 0
    Quantity:
    Price:
    $109.99
    Subtotal:
  • Ilmor Oil Fill Tube Assembly | PE01854

    Ilmor Oil Fill Tube Assembly | PE01854

    Ilmor
    $39.99
    Ilmor Oil Fill Tube Assembly | PE01854 This oil fill tube assembly provides an exact replacement for the original Ilmor part.  
    Qty in Cart: 0
    Quantity:
    Price:
    $39.99
    Subtotal:
  • Ilmor Accessory Drive Belt | PV07467

    Ilmor Accessory Drive Belt | PV07467

    Ilmor
    $74.99
    Ilmor Accessory Drive Belt | PV07467 This Ilmor approved accessory drive belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high-temperature polymer formulated to maximize load carrying requirements...
    Qty in Cart: 0
    Quantity:
    Price:
    $74.99
    Subtotal:
  • Ilmor Hose Assembly, Block Drain | PE01791

    Ilmor Hose Assembly, Block Drain | PE01791

    Ilmor
    $48.99
    Ilmor Hose Assembly, Block Drain | PE01791 This genuine Ilmor hose is specifically manufactured to fit your engine and is made from the highest quality materials ensuring reliability and durability.  
    Qty in Cart: 0
    Quantity:
    Price:
    $48.99
    Subtotal:
  • Ilmor GDI Coil | PV07383

    Ilmor GDI Coil | PV07383

    Ilmor
    $159.99
    Ilmor GDI Coil | PV07383 Maintain like-new performance for your Ilmor engine with these Ilmor specified ignition coils. These coils are designed as a direct replacement for your OEM coils.  
    Qty in Cart: 0
    Quantity:
    Price:
    $159.99
    Subtotal:
  • Ilmor Throttle Body, 5500 GDI | PV07163

    Ilmor Throttle Body, 5500 GDI | PV07163

    Ilmor
    $350.99
    Ilmor Throttle Body, 5500 GDI | PV07163 Designed as an exact replacement for your factory-installed throttle body, this quality Ilmor service part ensures your engine continues to have the same performance you expect out of Ilmor.  
    Qty in Cart: 0
    Quantity:
    Price:
    $350.99
    Subtotal:
  • Ilmor Plug, SCH 3/4 | PV06534

    Ilmor Plug, SCH 3/4 | PV06534

    Ilmor
    $3.99
    Ilmor Plug, SCH 3/4 | PV06534 Made with high-quality materials that ensure OEM specified performance.    
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
    Subtotal:
  • Ilmor Alternator, with small pulley 2:1 transmission | 500-0065

    Ilmor Alternator, with small pulley 2:1 transmission | 500-0065

    Ilmor
    $455.99
    Ilmor Alternator, with small pulley 2:1 transmission | 500-0065 This alternator is specifically designed to work with a 2:1 transmission found on the X20 and X23 MasterCraft boats prior to MY2020.  
    Qty in Cart: 0
    Quantity:
    Price:
    $455.99
    Subtotal:
  • Ilmor Exhaust Manifold-Head-Gen V Gasket | PV07125

    Ilmor Exhaust Manifold-Head-Gen V Gasket | PV07125

    Ilmor
    $19.99
     Ilmor Exhaust Manifold-Head-Gen V Gasket | PV07125 Ilmor exhaust manifold gasket gaskets offer factory specified materials to give you sealing solutions with the performance and durability you can rely on.    
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  • Ilmor Trim Pump Relay Kit | PV07816

    Ilmor Trim Pump Relay Kit | PV07816

    Ilmor
    $49.99
    Ilmor Trim Pump Relay Kit | PV07816 Designed to provide an exact replacement for the factory-installed relay on your Ilmor trim pump.  
    Qty in Cart: 0
    Quantity:
    Price:
    $49.99
    Subtotal:
  • Ilmor Gen V Pulley | PV07120

    Ilmor Gen V Pulley | PV07120

    Ilmor
    $69.99
    Ilmor Gen V Pulley | PV07120 The Ilmor idler pulley is built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration, and therefore longer pulley life.  
    Qty in Cart: 0
    Quantity:
    Price:
    $69.99
    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.