Inboard Boat Parts

Save on Inboard Boat Parts with Free Ground Shipping on orders over $99 from Midwest Water Sports and WaterSkis.com. We stock OEM parts for MasterCraft Boats, Moomba Boats and Supra Boats.

Let us help you find the correct boat parts for your boat. Use the parts selector below to locate the correct boat part. If you don't see what you are looking for or have questions feel free to give our Parts Department a call at 763-533-9666.

 
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  • Supra | Moomba Dripless Shaft Seal 1"

    Supra | Moomba Dripless Shaft Seal 1"

    Skiers Choice
    F25,311
    Dripless Shaft Seal - 1" Shaft If your dripless shaft seal has failed get it repaired before you ruin your shaft. The Shaft Cap is required to installation. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
  • Supra | Moomba Dripless Shaft Seal 1-1/8"

    Supra | Moomba Dripless Shaft Seal 1-1/8"

    Skiers Choice
    F24,694
    Dripless Shaft Seal - 1-1/8" Shaft If your dripless shaft seal has failed get it repaired before you ruin your shaft. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
  • Shaft Stuffing Box - 1-1/8" Shaft

    Shaft Stuffing Box - 1-1/8" Shaft

    Skiers Choice
    F38,894
    Shaft Stuffing Box - 1-1/8" Shaft If you shaft packing and stuffing box are leaking beyond repair here is your solution. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
  • Shaft Stuffing Box - 1" Shaft

    Shaft Stuffing Box - 1" Shaft

    Skiers Choice
    F43,215
    Shaft Stuffing Box - 1" Shaft If you shaft packing and stuffing box are leaking beyond repair here is your solution. Use the boat part look up below to ensure you are purchasing the correct part for your boat.  
  • 20' Steering Cable

    20' Steering Cable

    Skiers Choice
    F30,868
    20' Steering Cable When the steering on your boat gets stiff it's time to replace the steering cable. This 20' Steering cable is a direct replacement for many Supra and Moomba boats. A new steering cable helps keep your boat operating in peak...
  • 6 Ballast Port Relay Box

    Skiers Choice
    F55,563
    Moomba 6 Ballast Port Relay Box Ballast pumps not turning on? Your ballast relay box may have failed. This is the OEM replacement for a 6 Ballast Pump System.   Use the boat part look up below to ensure you are purchasing the correct part for your...
  • 6 Ballast Starboard Relay Box

    Skiers Choice
    F43,215
    Moomba 6 Ballast Starboard Relay Box Ballast pumps not turning on? Your ballast relay box may have failed. This is the OEM replacement for a 6 Ballast Pump System.   Use the boat part look up below to ensure you are purchasing the correct part for...
  • 6 Ballast Forward Relay Box

    Skiers Choice
    F49,389
    Moomba 6 Ballast Forward Relay Box Ballast pumps not turning on? Your ballast relay box may have failed. This is the OEM replacement for a 6 Ballast Pump System.   Use the boat part look up below to ensure you are purchasing the correct part for your...
  • Sahara 750 Bilge Pump w/Screen

    Sahara 750 Bilge Pump

    Skiers Choice
    F13,705
    Sahara 750 Bilge Pump This is the OEM replacement for Moomba and Supra Boats. Keep the water out of your bilge with a new functional bilge pump. Please use the boat part look up below to ensure you have the correct part for your year, make, and model...
  • Sahara Bilge Pump w/Screen

    Sahara Bilge Pump

    Skiers Choice
    F14,198
    Sahara Bilge Pump This is the OEM replacement for Moomba and Supra Boats. Keep the water out of your bilge with a new functional bilge pump. Please use the boat part look up below to ensure you have the correct part for your year, make, and model.  
  • Lenco Actuator - 5-Lobe

    Lenco Actuator (5-Lobe)

    Skiers Choice
    F61,737
    Lenco Actuator (5-Lobe) 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...
  • Paddlewheel, Sender

    Paddlewheel, Sender

    Skiers Choice
    F19,755
    Paddlewheel, Sender - Air-Mar This is the OEM replacement for Moomba and Supra Boats. Please use the boat part look up below to ensure you have the correct part for your year, make, and model.  
  • Supra & Moomba Paddlewheel CAN Triducer

    Paddlewheel, CAN Triducer

    Skiers Choice
    F84,086
    Paddlewheel, CAN Triducer This is the OEM replacement for Moomba and Supra Boats. Please use the boat part look up below to ensure you have the correct part for your year, make, and model.  
  • GPS & Zero Off Dash Antenna

    GPS & Zero Off Dash Antenna

    Skiers Choice
    F157,430
    GPS & Zero Off Dash Antenna If you are having issues with your GPS Cruise control dropping out this could be your solution. This is a direct replacement for Supra and Moomba Boats. Use the boat part look up below to ensure you are purchasing the...
  • 19' Rotary Steering Cable

    19' Rotary Steering Cable

    SeaStar Solutions
    F23,459
      19' Rotary Steering Cable Replace your worn out and stiff steering cable to make driving the boat easy again! This is a direct replacement for 90's MasterCraft boats.   *REQUIRED* - MUST PURCHASE ADAPTER WHEN INSTALLING ON SELECT...
  • Sale 46%
    Mystic Voltage Quick Dry T-Shirt 1 Mystic Voltage Quick Dry T-Shirt 2

    Mystic Voltage Quick Dry T-Shirt

    Mystic
    F6,790
    F3,696
    Mystic Voltage Quick Dry Shirt Keep yourself protected from the sun while being out on the boat all day long with Mystic's Voltage Quick Dry Shirt. This shirt will dry with ease after your surf set and keep you safe as well! 
  • Mastercraft 28" Classic Decal - Black

    Mastercraft 28" Classic Decal - Black

    MasterCraft
    F3,086
    Mastercraft 28" Classic Decal - Black Rep your favorite boat brand wherever you go! This MasterCraft decal is black and comes in at 28`` in length. Perfect new decoration for your car or truck!
  • closeout
    Stereo ICE Module for Murphy Systems
    closeout

    Stereo ICE Module for Murphy Systems

    Skiers Choice
    F127,179
    Stereo ICE Module for Murphy Systems OEM ICE module used in Supra boats with Murphy screens.   ***Closeout items are sold at a discounted price and all sales are final. No exchanges/returns/refunds.***
  • Rubrail Mounted LED Docking Light - V-Bow Starboard Rubrail Mounted LED Docking Light - V-Bow Starboard

    Rubrail Mounted LED Docking Light - V-Bow Starboard

    MasterCraft
    F16,051
    Rubrail Mounted LED Docking Light - V-Bow Starboard ***SOLD INDIVIDUALLY, NOT AS PAIRS*** OEM docking light. Mounts directly to the rubrail for easy installation. Watertight design and polished stainless steel cover. 350 Lumens per light. This is for...
  • Rubrail Mounted LED Docking Light - V-Bow Port Rubrail Mounted LED Docking Light - V-Bow Port

    Rubrail Mounted LED Docking Light - V-Bow Port

    MasterCraft
    F16,051
    Rubrail Mounted LED Docking Light - V-Bow Port ***SOLD INDIVIDUALLY, NOT AS PAIRS*** OEM docking light. Mounts directly to the rubrail for easy installation. Watertight design and polished stainless steel cover. 350 Lumens per light. This is for the...