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Underwater Hardware

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. 

  • Rudder Assembly - Marine Hardware

    Rudder Assembly - Marine Hardware

    Marine Hardware rudders are cast and machined in the USA. Tiller arm is double keyed for left or right position, this rudder has a 4" X 4" square port.  Universal Replacement Rudder assembly for tournament ski boats. (Most V-drievs...
    $899.00
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  • 17 Foot HPS Rack Steering Cable

    17 Foot HPS Rack Steering Cable

    High-Performance Marine Steering Featuring a Unique TFXTREME core steering cable delivers incredible response and minimal lost mo TELSSC15417 17' TELEFLEX (SEASTAR SOLUTIONS) RACK STEERING CABLE Teleflex TFXtreme, Back Mount Rack and Pinion...
    $295.99
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  • ROTARY SYSTEM 15 FOOT

    ROTARY SYSTEM 15 FOOT

    Uflex Planetary Helm & Cable, Standard 3/4" Tapered Shaft, aprox 3.8 Turns Lock To Lock. 90 Degree Bezel Included. All mounting hardware included.  eering Package. Benefits of a Planetary Gear Design. Increase System Longevity. Increase...
    $256.50
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  • Rudder Assembly Drop Arm Tiller

    Rudder Assembly Drop Arm Tiller

    For V-drives with drop-down tiller arm (drops down 1"). 4" X 4" rudder port flange (slotted bolt holes) and 2" O.D. port. This rudder will have RTPL cast on it and is 14" long. There is a RTPN casting that is only 12.50" long. This can replace it if...
    $1,006.50
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  • PSS SEAL 1" PSS SEAL 1"

    PSS SEAL 1"

    PSS Shaft Seal for 1" shafts, the PSS shaft seal is a replacement system for stuffing boxes. The PSS has no packing to adjust or replace and does not leak water into the bilge. Additionally, due to the simple design, the PSS requires no maintenance and...
    $433.35
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  • Control, Single Handle MV Mechanical

    Control, Single Handle MV Mechanical

    Can be used to replace the MV2. Teleflex CH2200. Fits panels up to 1/2" thick.  Used on many newer boats that use a throttle and shift cable (not for drive-by-wire at the control). Does not include a shift knob, any that we sell will fit...
    $422.00
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  • 18 Foot HPS Rack Steering Cable

    18 Foot HPS Rack Steering Cable

    High-Performance Marine Steering Featuring a Unique TFXTREME core steering cable delivers incredible response and mi TELSSC15418 18' TELEFLEX (SEASTAR SOLUTIONS) RACK STEERING CABLE HPS Teleflex TFXtreme, Back Mount Rack, and Pinion steering cable...
    $279.00
    Add to Cart
  • Steering Cable Only 17 Foot

    Steering Cable Only 17 Foot

    Teleflex 17 foot QC II cable with adapter to fit old style Teleflex cables (replaces SSC7217). This cable fit Mastercraft Prostar 190 & 205 from mid year 1990 to mid year 1999. The first part of 1990 used a 15 foot Teleflex Rotary cable and the 1999...
    $192.99
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  • ROTARY SYSTEM 16 FOOT

    ROTARY SYSTEM 16 FOOT

    Uflex Planetary Helm & Cable, Standard 3/4" Tapered Shaft, aprox 3.8 Turns Lock To Lock. 90 Degree Bezel Included. All mounting hardware included. The Ultimate Rotary Steering Package. Benefits of a Planetary Gear Design. Increase System Longevity...
    $264.05
    Add to Cart