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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Rocker Switch(Dp)Illuminate - 420253-1

    Sea-Dog Line Rocker Switch(Dp)Illuminate - 420253-1

    SEA-DOG LINE

    $14.25 $12.71
    Sea-Dog Line Rocker Switch(Dp)Illuminate - 420253-17/8" x 1-7/16". 15A/12V. ON in parenthesis (On) indicates a momentary position.
    Part Number:
    354-4202531
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off/On
    Type:
    DPDT
    Lens:
    Red/Yellow
    $14.25 $12.71
  • Sea-Dog Line Rod Holder-Rail Mount Stainless 327175-1

    Sea-Dog Line Rod Holder-Rail Mount Stainless 327175-1

    SEA-DOG LINE

    $131.95 $103.88
    Sea-Dog Line Rod Holder-Rail Mount Stainless 327175-1Designed with a front mount adjustment screw. Allows for easy adjustment without having to disassemble the rail mount brackets. A safety line on the rod and or reel is recommended when using rail mount...
    Part Number:
    354-3271751
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Stainless
    Size:
    9" L x 1-11/16" ID
    Fits:
    7/8" to 1" Dia
    $131.95 $103.88
  • Sea-Dog Line Round Mounting Bracket 426105-1

    Sea-Dog Line Round Mounting Bracket 426105-1

    SEA-DOG LINE

    $5.00 $4.73
    Sea-Dog Line Round Mounting Bracket 426105-1This injection molded nylon bracket is designed for the external mounting of round power sockets and gauges 1-1/8" in diameter. Fits all Sea-Dog® power sockets and meters.
    Part Number:
    354-4261051
    Availability:
    In Stock - Ships same or next business day.
    Fastener:
    #8 FH
    Size:
    2-3/8" x 9/16" Base
    $5.00 $4.73
  • Sea-Dog Line Side Mount/Slide (White) 273261-1

    Sea-Dog Line Side Mount/Slide (White) 273261-1

    SEA-DOG LINE

    $11.00 $9.44
    Sea-Dog Line Side Mount/Slide (White) 273261-1 Track Mount Hinge Fittings provide slide adjustment for the convenient use and storage of Bimini top frames. Designed to attach an eye end. Use Side Mount Sliders for vertical mounting or Deck Mount Sliders...
    Part Number:
    354-2732611
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White Injection Molded Nylon
    Width:
    7/8"
    Length:
    2-1/4"
    Pin:
    1/4"
    $11.00 $9.44
  • Sea-Dog Line Sld Brd Plycrd(Hank)1/8X50'White 303303050Wh-1

    Sea-Dog Line Sld Brd Plycrd(Hank)1/8X50'White 303303050Wh-1

    SEA-DOG LINE

    $4.10
    Sea-Dog Line Sld Brd Plycrd(Hank)1/8X50'White 303303050Wh-1 Utility Cordage Solid braid polyester cord Mildew and rot resistant Excellent for many quick tie and flag halyard applications
    Part Number:
    354-303303050WH1
    Availability:
    In Stock - Ships same or next business day.
    A (Dia.):
    1/8"
    B (Length):
    50'
    WLL-kgs/lbs:
    22/50
    B.S.-kgs/lbs:
    110/225
    Color:
    White
    $4.10
  • Sea-Dog Line SS LED Docking Lights 405950-1

    Sea-Dog Line SS LED Docking Lights 405950-1

    SEA-DOG LINE

    $195.00 $156.20
    Sea-Dog Line SS LED Docking Lights 405950-1 LED Docking Lights feature a sleek, contemporary design. 32 super bright LEDs produce 180 lumens for excellent vision when docking. Constructed of corrosion resistant stamped 304 stainless steel. Surface...
    Part Number:
    354-4059501
    Availability:
    In Stock - Ships same or next business day.
    A:
    3-9/16"
    B:
    2-5/8"
    C:
    3/4"
    LEDs:
    32
    Lumens:
    180
    Amp Draw:
    0.28@12V
    $195.00 $156.20
  • Sea-Dog Line Stainless Captive Roller 328064

    Sea-Dog Line Stainless Captive Roller 328064

    SEA-DOG LINE

    $320.00 $240.20
    Sea-Dog Line Stainless Captive Roller 328064  
    Part Number:
    354-328064
    Availability:
    In Stock - Ships same or next business day.
    A:
    19-1/4"
    B:
    2-15/16"
    C:
    2-3/4"
    Finish:
    Unpolished
    Rope Dia.:
    1-1/2" Max.
    Fastener:
    3/8" Bolt
    $320.00 $240.20
  • Sea-Dog Line Stainless Chain Stopper - 5/16 321825-1

    Sea-Dog Line Stainless Chain Stopper - 5/16 321825-1

    SEA-DOG LINE

    $92.95 $73.82
    Sea-Dog Line Stainless Chain Stopper - 5/16 321825-1 These Chain Stoppers help prevent damage to the windlass and reduce the risk of accidental free fall of the anchor while under way. Chain Stoppers mount alone or inside most bow rollers and work with...
    Part Number:
    354-3218251
    Availability:
    In Stock - Ships same or next business day.
    A:
    3-1/8"
    B:
    2-3/8"
    C:
    2-7/16"
    D:
    3-5/8"
    E:
    1/2"
    F:
    1-7/8"
    Fastener:
    3/8" FH
    $92.95 $73.82
  • Sea-Dog Line Stainless Pivoting Roller 328068

    Sea-Dog Line Stainless Pivoting Roller 328068

    SEA-DOG LINE

    $440.00 $354.32
    Sea-Dog Line Stainless Pivoting Roller 328068 This Pivoting Medium Bow Roller is designed to create a self-launching anchor system. As the anchor line is played out, the anchor roller pivots downward under the weight, allowing it to fall freely into the...
    Part Number:
    354-328068
    Availability:
    In Stock - Ships same or next business day.
    A:
    21"
    B:
    2-15/16"
    C:
    2-3/4"
    Rope Dia.:
    1-1/2" Max.
    Fastener:
    3/8" Bolt
    $440.00 $354.32
  • Sold Out, please call for ETA.
    Sea-Dog Line Standard Wiper Motor (Black) 412328B-3

    Sea-Dog Line Standard Wiper Motor (Black) 412328B-3

    SEA-DOG LINE

    $125.00 $94.94
    Sea-Dog Line Standard Wiper Motor (Black) 412328B-3 Standard Wiper Motor for interior/protected locations. Sweep angle is preset at 80° or 110°, both can be adjusted to 80° or 110°. Adjustable right or left-hand park, factory preset for...
    Part Number:
    354-412328B3
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stamped Powder Coated Aluminum/304 Stainless Steel
    A:
    3/8"
    B:
    2-1/2"
    C:
    3-1/4"
    D:
    4"
    Sweep:
    80 Degrees
    Volts/Amps:
    12/2
  • Sea-Dog Line Standard Wiper Motor Kit 412428B-1

    Sea-Dog Line Standard Wiper Motor Kit 412428B-1

    SEA-DOG LINE

    $166.00 $123.87
    Sea-Dog Line Standard Wiper Motor Kit 412428B-1 Standard Wiper Motor Kit includes a frame mount wiper motor, adjustable standard wiper arm (9-1/2"-12-1/2"), 1/4" I.D. and an 11” curved blade. Constructed of powder coated aluminum and 304 stainless...
    Part Number:
    354-412428B1
    Availability:
    In Stock - Ships same or next business day.
    A:
    3/8"
    B:
    2-1/2"
    C:
    9-1/2"-12-1/2"
    D:
    11"
    Sweep:
    80 Degrees
    Volts:
    12/2
    $166.00 $123.87
  • Sea-Dog Line Thimble SS Heavy Duty 1/8" 170003

    Sea-Dog Line Thimble SS Heavy Duty 1/8" 170003

    SEA-DOG LINE

    $1.94
    Sea-Dog Line Thimble SS Heavy Duty 1/8" 170003 These Heavy Duty Thimbles are used to protect wire or rope from contact with the load it is hoisting. The thimbles keep the eye splice from being crushed while reducing chafe and abrasion. Ideal for lines...
    Part Number:
    354-170003
    Availability:
    In Stock - Ships same or next business day.
    A:
    1/8"
    B:
    11/16"
    C:
    3/8"
    D:
    1"
    Pkg.:
    Bulk
    $1.94
  • Sea-Dog Line Thimble SS Heavy Duty 3/16" 170005

    Sea-Dog Line Thimble SS Heavy Duty 3/16" 170005

    SEA-DOG LINE

    $2.39
    Sea-Dog Line Thimble SS Heavy Duty 3/16" 170005 These Heavy Duty Thimbles are used to protect wire or rope from contact with the load it is hoisting. The thimbles keep the eye splice from being crushed while reducing chafe and abrasion. Ideal for lines...
    Part Number:
    354-170005
    Availability:
    In Stock - Ships same or next business day.
    A:
    3/16"-7/32"
    B:
    15/16"
    C:
    1/2"
    D:
    1-1/4"
    Pkg.:
    Bulk
    $2.39
  • Sea-Dog Line Toggle Switch Mom/Off L Tip 420122-1

    Sea-Dog Line Toggle Switch Mom/Off L Tip 420122-1

    SEA-DOG LINE

    $25.95 $18.95
    Sea-Dog Line Toggle Switch Mom/Off L Tip 420122-1Made of stamped, brass/molded bakelite. Rated 15 Amps at 12 volts. On in parenthesis (On) indicates a momentary position.
    Part Number:
    354-4201221
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    (On)/Off
    Terminals:
    4 Blade
    Type:
    SPST
    $25.95 $18.95

Shop the Best Boat Accessories Online

Whether you're prepping for a weekend on the water or upgrading your gear, PowerBoatSupply.com has all the boat accessories you need. From electrical components and drink holders to safety gear and dock lines, our wide selection of boat accessories ensures you're ready for anything out on the water.

We carry trusted brands like Sea-Dog Line, Seachoice, Attwood Marine, and more — offering both essential and specialized boat accessories for every type of boater. Not sure which part is right for your setup? Our team is here to help you choose the best boat accessories for your vessel and your adventures.

Browse our best-selling items below and get fast shipping, great prices, and top-rated customer service from PowerBoatSupply.com — your source for quality marine parts and accessories since 1987.