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  • Engine
  • Transmissions/Silencers
  • Underwater-Gear/Steering
  • Maintenance
  • Accessories
  • Clothing, Hats, and Gifts

    • Shop by Brand

  • ARCO
  • Indmar
  • PCM
  • View all Brands

    • Underwater-Gear/Steering

    Wanting to upgrade your system's propellers? On the hunt for marine underwater connectors and cables? No matter what you're looking for, Discount Inboard Marine is sure to have the best prices on underwater hardware and accessories from the top manufacturers in the industry. From marine underwater mechanical cables to drive shaft seals, you'll find a vast selection of products perfect for any repair, replacement or overhaul. Discover why experienced boaters trust Discount Inboard Marine as their go-to inboard engine parts supplier. 

    • PACKING NUT WRENCH 1-7/8" PACKING NUT WRENCH 1-7/8"
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      PACKING NUT WRENCH 1-7/8"

      Fits Stuffing Box Locking Nut, Designed For V-drives But Works Great For All 1-7/8" Locking Nuts. Tip to tip length 6-1/2"     Aprox 6-1/2" total length, handle is aprox 4" long.   Bin Number (ISBN): 10107    
      $34.95
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    • 3M 5200 SEALANT FAST CURE, WHITE 3 OZ
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      3M 5200 SEALANT FAST CURE, WHITE 3 OZ

      For thru-hull fittings above and below the water line 3 oz tube. Watertight bonding sealing of fiberglass and wood. Ideal for thru-hull and deck fittings and deck to hull joints. Flexible fully cures in 20-24 hours. Use for...
      $26.97
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    • IMPELLER PULLER, SEA DOG
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      IMPELLER PULLER, SEA DOG

      You will need 5-1/4" clearance in front of the pump and the handle length is 3-1/2" so it needs 1-3/4" clearance from the center of the pump to rotate. Stainless Steel construction, fits 2-1/4" to 2-9/16" impellers.   Bin Number...
      $119.99
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    • 4" SINGLE TAPER COUPLER 1 BORE
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      4" SINGLE TAPER COUPLER 1 BORE

      For 1" diameter shafts that are only tapered on the prop end. This should be an interference/press fit onto the shaft. This coupler is usually used with a 1:1 ratio transmission.     OLD PART # CPST4X1.0   Bin Number (ISBN): 33005
      $129.50
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    • STRUT, MALIBU 14 DEGREE
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      STRUT, MALIBU 14 DEGREE

      Malibu 14 degree Strut, this is a real oddball and the best we can tell it was used in 2006 & part of 2007. It was possibly used on the V-ride but we have been unable to confirm that.
      $703.73
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