Underwater Gear

Save on MasterCraft, Moomba and Supra Propellers, Drive Shafts, & Underwater Gear with Free Ground Shipping from Midwest Water Sports & WaterSkis.com

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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  • MasterCraft OEM Strut - 399 MasterCraft OEM Strut - 399

    MasterCraft OEM Strut - 399

    MasterCraft

    $449.99
    MasterCraft OEM Strut - 399 This genuine MasterCraft OEM Strut is model specific. Even a small bend in your strut can cause vibrations and long-term damage to your drive shaft and possibly transmission. If you have a bent strut get your boat dialed back...
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    $449.99
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  • MasterCraft OEM Drive Shaft 52.5" - 325 MasterCraft OEM Drive Shaft 52.5" - 325

    MasterCraft OEM Drive Shaft 52.5" - 325

    MasterCraft

    $799.99
    MasterCraft OEM Drive Shaft 52.5" - 325 This is a 52.5 inch long by 1 1/8 inch diameter MasterCraft drive shaft with coupler.  This is a Genuine MasterCraft replacement part. Includes new prop nut and cotter pin. Designed for boats with a splined...
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    $799.99
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  • Supra | Moomba Drive Shaft-49"x 1-1/8"

    Supra | Moomba Drive Shaft-49"x 1-1/8" | 917

    Skiers Choice
    $749.99
    Supra | Moomba Drive Shaft-49"x1-1/8" | 917 This is a 49" Drive Shaft by 1-1/8" diameter for Supra and Moomba Boats. ***Skier’s Choice couplers are pressed onto the shaft and the assembly is CNC balanced to improve performance and reduce vibration...
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    $749.99
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  • OJ Flex Gland Shaft Seal System 1-1/8"

    OJ Flex Gland Shaft Seal System 1-1/8"

    OJ Props
    $114.00
    OJ Flex Gland Shaft Seal System 1-1/8" For drive shafts with 1-1/8" diameter. OJ Props has developed the first dripless shaft seal that does not require a water feed from the engine. Making retro fit installation much easier without the need for the...
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    $114.00
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  • Supra | Moomba Dripless Drive Shaft Seal 1-1/8"

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

    Skiers Choice
    $209.99
    Supra, Moomba Dripless Drive Shaft Seal - 1-1/8" Shaft If the dripless shaft seal on your Moomba or Supra boat 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...
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    $209.99
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  • MasterCraft OEM Drive Shaft 47.5" - 200 MasterCraft OEM Drive Shaft 47.5" - 200

    MasterCraft OEM Drive Shaft 47.5" - 200

    MasterCraft
    $699.99
    MasterCraft OEM Drive Shaft 47.5" - 200 This MasterCraft Drive Shaft is 47.5 inches long by 1 inch diameter and includes the coupler. This drive shaft is specifically designed for many MasterCraft Skier, ProStar and TriStar boats. This is a Genuine...
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    $699.99
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  • MasterCraft OEM Rudder- 178 MasterCraft OEM Rudder- 178

    MasterCraft OEM Rudder - 178

    MasterCraft

    $579.99
    MasterCraft OEM Rudder- 178 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 Under Water Gear. Use the Parts Finder to select your year make and...
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    $579.99
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  • Supra | Moomba Rudder Assembly | 425

    Supra | Moomba Rudder Assembly | 425

    Skiers Choice
    $774.99
    Supra | Moomba Rudder Assembly | 425 This is a complete rudder and rudder port assembly for Supra and Moomba Boats. This was used on many direct drive Supra Boats and Moomba Boats. Use the Boat Part Lookup to ensure you are getting the correct part for...
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    $774.99
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  • Mastercraft Composite Dripless Drive Shaft Seal Mastercraft Composite Dripless Drive Shaft Seal

    Mastercraft Composite Dripless Drive Shaft Seal

    MasterCraft
    MSRP: $179.99
    $169.99
    Mastercraft Composite Dripless Drive Shaft Seal MasterCraft Dripless Drive Shaft Seal designed to cool and lubricate drive shaft while keeping water out of the boat. Utilizes dual graphite lip seal technology for a dripless seal. Designed to be used with...
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    MSRP: $179.99
    $169.99
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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.  
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    $97.25
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  • Supra | Moomba Tracking Fin

    Supra | Moomba Tracking Fin | 820

    Skiers Choice
    $174.99
    Supra | Moomba Tracking Fin If you got yourself into a shallow spot on the lake and bent your tracking fin this is a OEM Supra and Moomba Tracking Fin Replacement. Use the Boat Part Lookup to ensure you are getting the correct part for your Supra and...
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    $174.99
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  • MasterCraft Strut for Boats with 1" Drive Shaft MasterCraft 1" Strut

    MasterCraft 1" Strut

    $499.99
    MasterCraft Strut for Boats with 1" Drive Shaft The MasterCraft strut is a genuine MasterCraft boat part for boats with a 1" keyed drive shaft. This strut is specifically designed for MasterCraft direct drive boats with a 1:1 transmission. This...
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    $499.99
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  • OJ Prop 13X13-4 Blade | Keyed | Bore 1" | LH | 0.90 OJ Prop 13X13-4 Blade | Keyed | Bore 1" | LH | 0.90

    OJ Prop 13X13-4 Blade | Keyed | Bore 1" | LH | 0.90

    OJ Props
    MSRP: $544.00
    $531.25
    OJ Prop 13X13-4 Blade | Keyed | Bore 1" | LH | 0.90 Like its predecessor, The LEGEND 3-blade, The FORCE 4-BLADE is a strong and affordable performer. The FORCE 4-Blade was the first 4-blade introduced that provided the tournament tow boat a strong,...
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    MSRP: $544.00
    $531.25
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  • OJ Prop 13X13-3 Blade | Keyed | Bore 1" | LH | 0.90

    OJ Prop 13X13-3 Blade | Keyed | Bore 1" | LH | 0.90

    OJ Props
    MSRP: $466.00
    $416.50
    OJ Prop 13X13-3 Blade | Keyed | Bore 1" | LH | 0.90 The name speaks for itself. The original LEGEND is a design handed down from the originator, Oscar Johnson. This hand crafted 3-blade has been a consistent performer for many years. The LEGEND 3-blade...
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    MSRP: $466.00
    $416.50
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  • Prop Key for Keyed Drive Shaft Prop Key for Keyed Drive Shaft

    Prop Key 1/4" x 1 1/4"

    OJ Props
    MSRP: $9.99
    $8.99
    Prop Key 1/4" x 1 1/4" Don't be caught on the lake without a spare Prop Key 1/4" x 1 1/4" This is too important of a piece to be without and let's face it, there is no way to look cool while stranded on the lake. This is a universal part it works on most...
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    MSRP: $9.99
    $8.99
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  • Prop Shaft Cotter Pin Prop Shaft Cotter Pin

    Prop Shaft Cotter Pin

    OJ Props
    MSRP: $3.50
    $1.99
    Propeller Shaft Cotter Pin The Cotter Pin helps ensure that you don't lose your boats propeller and prop nut. Replace the cotter pin every time you change out your boat prop to ensure that you never get stranded on the lake, or worse lose your costly...
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    MSRP: $3.50
    $1.99
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  • Prop Nut for 1" & 1 1/8" Shafts Prop Nut for 1" & 1 1/8" Shafts

    Prop Nut for 1" & 1 1/8" Shafts

    OJ Props
    MSRP: $19.99
    $16.99
    Inboard Boat Prop Nut for 1" and 1"1/8 Drive Shafts A simple replacement for you lost or damaged inboard prop nut. This is a universal part that fits MasterCraft, Malibu, Supra, Moomba, Gekko, Correct Craft, Nautique and Sanger boats with a 1" or a 1...
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    MSRP: $19.99
    $16.99
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  • Supra | Moomba Drive Shaft-46"x 1" | 916

    Supra | Moomba Drive Shaft-46"x 1" | 916

    Skiers Choice
    $549.99
    Supra | Moomba Drive Shaft-46"x1" | 916 This is a 46" Drive Shaft by 1" diameter for Supra and Moomba Boats. ***Skier’s Choice couplers are pressed onto the shaft and the assembly is CNC balanced to improve performance and reduce vibration. The coupler...
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    $549.99
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  • MasterCraft Tracking Fin (2001 to Current)

    MasterCraft Tracking Fin (2001 to Current)

    $139.99
    MasterCraft Tracking Fin Genuine MasterCraft tracking fins for boats built from 2005 and up. This fin uses a 4 bolt mounting pattern and an investment cast construction process. Investment casting allows for extreme precision giving your boat the best...
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    $139.99
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  • OJ Prop 14X20-4 Blade | Keyed | Bore 1 1/8" | LH | 0.90 OJ Prop 14X20-4 Blade | Keyed | Bore 1 1/8" | LH | 0.90

    OJ Prop 14X20-4 Blade | Keyed | Bore 1 1/8" | LH | 0.90

    OJ Props
    MSRP: $566.00
    $552.50
    OJ Prop 14X20-4 Blade | Keyed | Bore 1 1/8" | LH | 0.90 Like its predecessor, The LEGEND 3-blade, The FORCE 4-BLADE is a strong and affordable performer. The FORCE 4-Blade was the first 4-blade introduced that provided the tournament tow boat a strong,...
    Qty in Cart: 0
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    MSRP: $566.00
    $552.50
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