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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. 

  • ADAPTER-TFLX SC TO C290 H

    ADAPTER-TFLX SC TO C290 H

    Converts old style cable (with the screw on nut) to the new style QC II or Morse 290 helm.   NO LONGER AVAILABLE   Bin Number (ISBN): 12811
    $15.50
  • STRUT 15 DEGREE (SEF 1051L) L=LONG SUNSPORT

    STRUT 15 DEGREE (SEF 1051L) L=LONG SUNSPORT

    Used on some Supras with 454 and 1" shaft. Also used on some direct drive Moombas with 1" shafts (not V-drive). Includes new strut bearings   *Careful, this is a SEF1051L, there is also an SEF1051 (C/O Outback and Boomerang) not on website call to...
    $370.00
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  • STRUT, MALIBU 1997 UP

    STRUT, MALIBU 1997 UP

    A few late 1996 models may have this 16 degree strut . The previous version was a 15.45 degree strut. Also fits Axis boats (but will say "Malibu" on the side). Will not fit XTI or FXI models, includes new strut bearings. Malibu XTI and FXI use part #...
    $583.95
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  • STRUT, MASTERCRAFT 1986 UP 1-1/8 IN

    STRUT, MASTERCRAFT 1986 UP 1-1/8 IN

    8 Mounting holes 16 degree (Includes brass shelled rubber strut bearings). Fits 1986 up Mastercraft boats with powerslot or V-drive 1-1/8" shafts. Or, all 2003+ splined shaft. This is an aftermarket strut and will not have Mastercraft on the side...
    $575.77
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  • STRUT, MASTERCRAFT 1986 UP 1"

    STRUT, MASTERCRAFT 1986 UP 1"

    This strut measures 7-3/4" high from mounting base to bottom of the barrel at the prop end. This is an aftermarket strut and will not have Mastercraft on the side. Note: Replacement strut bushing outside diameter will now be 1" X 1-3/8" no longer 1"...
    $575.77
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  • STRUT SUPRA 14 DEGREE, 1IN. SHAFT

    STRUT SUPRA 14 DEGREE, 1IN. SHAFT

    Includes Bushings, Comp, Some Mariah's and older Sunsport's (Should be stamped with a 14).   Includes strut bushings, fits Supra Comp, some Sunsports and Maria's. Old strut should be marked with a 14 on the side, has a 6-1/2" drop. The distance...
    $351.00
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  • XPC BEARINGS 1-1/8 X 1-1/2

    XPC BEARINGS 1-1/8 X 1-1/2

    * Fits Mastercraft V-drives (and All 2003 up splined prop shaft) or Boats with 1.52:1 ratio transmisions. Fits Nautique V-drives with 1-1/8" shafts, Fits 2007 up Tige Boats with Southeastern Foundries Struts. Also Fits Supra and Moomba V-Drives. Will not...
    $85.50
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  • XPC BEARINGS 1-1/8 X 1-3/8

    XPC BEARINGS 1-1/8 X 1-3/8

    * Low friction vesconite material  * Each bearing is 2" long, price includes 2.   Vesconite 100 thermoplastic material does not swell or soften, lasts up to 10 times as long as traditional materials. Reduces shaft growl and wear (sold per pair)...
    $88.50
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  • XPC BEARINGS 1 ID X 1-1/2 OD

    XPC BEARINGS 1 ID X 1-1/2 OD

    *Low friction, vesconite material *Each bearing is 2" long, price includes 2.   INBOARD STRUT BEARINGS 1" ID X 1-1/2" OD Vesconite 100 thermoplastic material does not swell or soften, last up to 10 times as long as traditional materials. Reduces...
    $79.00
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  • XPC BEARINGS 1 ID X 1-1/4 OD

    XPC BEARINGS 1 ID X 1-1/4 OD

    * Low friction, vesconite material * Each bearing is 2" long, price includes 2 * These are very sensative to the original bore of the strut and not recommended for Ski Nautiques. Usually they work       fine but if the strut bore is...
    $89.00
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