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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Double USB Socket/Volt-Hidn Dsply 426517-1

    Sea-Dog Line Double USB Socket/Volt-Hidn Dsply 426517-1

    SEA-DOG LINE

    $41.99 $32.61
    Sea-Dog Line Double USB Socket/Volt-Hidn Dsply 426517-1This double USB socket allows for two devices to be charged simultaneously while also displaying the batteries output. The total output 4.2A load is split 2.1A per side as needed. Enough amperage to...
    Part Number:
    354-4265171
    Availability:
    In Stock - Ships same or next business day.
    A:
    1-7/16"
    B:
    1-1/2"
    C:
    1-1/16"
    $41.99 $32.61
  • Sea-Dog Line Drink Holder Black Abs 588210-1

    Sea-Dog Line Drink Holder Black Abs 588210-1

    SEA-DOG LINE

    $6.95 $6.53
    Sea-Dog Line Drink Holder Black Abs 588210-1Injection molded ABS. Folds to a closed depth of 15/16".
    Part Number:
    354-5882101
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black
    Size:
    3-3/4" H x 3-7/8" W x 3-7/16" D
    $6.95 $6.53
  • Sea-Dog Line Flagpole 30" SS Rail Mount 327124-1

    Sea-Dog Line Flagpole 30" SS Rail Mount 327124-1

    SEA-DOG LINE

    $42.75 $34.99
    Sea-Dog Line Flagpole 30" SS Rail Mount 327124-1 Made of highly polished, heavy wall stainless steel tubing. The flag is attached to the flagpole using nylon pennant mounts with stainless steel spring wire quick release clips which are designed to hold...
    Part Number:
    354-3271241
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    7/8"-1" rails
    Length:
    30"
    $42.75 $34.99
  • Sea-Dog Line Iluminated Rocker 420443-1

    Sea-Dog Line Iluminated Rocker 420443-1

    SEA-DOG LINE

    $6.60
    Sea-Dog Line Iluminated Rocker 420443-1Made of stamped brass, injection molded nylon and is rated 15 amps at 12 volt. Cutout size 1/2" x 1-1/8".
    Part Number:
    354-4204431
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off/On
    Type:
    SPDT
    Light:
    No
    $6.60
  • Sea-Dog Line LED Surface Mount Courtesy Light (White) 401405-1

    Sea-Dog Line LED Surface Mount Courtesy Light (White) 401405-1

    SEA-DOG LINE

    $34.95 $28.46
    Sea-Dog Line LED Surface Mount Courtesy Light (White) 401405-1 These LED Surface Mount Courtesy Lights utilize three blue or warm white low amp LEDs, providing a very long service life. Constructed of corrosion resistant stamped 304 stainless steel and...
    Part Number:
    354-4014051
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stamped 304 Stainless Steel/Plastic
    Color:
    White
    A:
    3-1/8"
    B:
    1-7/16"
    C:
    3/16"
    Volts:
    12
    Lumens:
    30
    $34.95 $28.46
  • Sea-Dog Line Molded Elec. Connector 4 Pin 426164-1

    Sea-Dog Line Molded Elec. Connector 4 Pin 426164-1

    SEA-DOG LINE

    $18.25 $15.81
    Sea-Dog Line Molded Elec. Connector 4 Pin 426164-1Safety feature, polarized pins resized to be connected in only one way. Machined brass/molded bakelite & neoprene.
    Part Number:
    354-4261641
    Availability:
    In Stock - Ships same or next business day.
    A:
    1-1/4"
    B:
    1-3/16"
    Pins:
    4
    Amps:
    5
    $18.25 $15.81
  • Sea-Dog Line Nylon Top Cap(Black)-7/8 In 273100-1

    Sea-Dog Line Nylon Top Cap(Black)-7/8 In 273100-1

    SEA-DOG LINE

    $8.85 $8.49
    Sea-Dog Line Nylon Top Cap(Black)-7/8 In 273100-1   Top Fittings create an attachment point and function as a pivot point as part of a Bimini top system. These fittings connect to tubing either as a Top Cap or Top Insert for 3/4” or...
    Part Number:
    354-2731001
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Black Injection Molded Nylon
    Tube O.D.:
    7/8"
    Pin:
    1/4"
    $8.85 $8.49
  • Sea-Dog Line Power Socket - 12 Volt (Socket 426113-1

    Sea-Dog Line Power Socket - 12 Volt (Socket 426113-1

    SEA-DOG LINE

    $9.75 $8.99
    Sea-Dog Line Power Socket - 12 Volt (Socket 426113-1Made from stamped brass and injection molded nylon & ABS. Maximum rating is 12 volts and 16 amps.
    Part Number:
    354-4261131
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Socket & Cap
    A:
    2-1/4"
    B:
    1-1/4"
    C:
    1-1/2"
    D:
    1-1/16"
    E:
    1-7/8"
    $9.75 $8.99
  • Sea-Dog Line Rl Mount SS Fnder Holder Dual11 327361-1

    Sea-Dog Line Rl Mount SS Fnder Holder Dual11 327361-1

    SEA-DOG LINE

    $165.00 $135.01
    Sea-Dog Line Rl Mount SS Fnder Holder Dual11 327361-1 The Rail Mount Dual Fender Holder is for use on 7/8" or 1" tubing. Easy to mount, these fender holders adjust to any angle of railing and can hold any style fender. Folds flat for easy storage when...
    Part Number:
    354-3273611
    Availability:
    In Stock - Ships same or next business day.
    A:
    11-1/2"
    B:
    7/8"-1"
    $165.00 $135.01
  • Sea-Dog Line Safety Kill Switch - Universal 420488-1

    Sea-Dog Line Safety Kill Switch - Universal 420488-1

    SEA-DOG LINE

    $21.95 $18.99
    Sea-Dog Line Safety Kill Switch - Universal 420488-1 Dual circuitry allows kill switch to be wired for either ignition kill or magneto kill. WARNING: Test switch for proper function before each use. Replace lanyard if worn, cut or frayed.
    Part Number:
    354-4204881
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Switch w/lanyard
    A:
    7/16"
    B:
    5/8"
    $21.95 $18.99
  • Sea-Dog Line Switch 3Pos Ignition-Poly 420360-1

    Sea-Dog Line Switch 3Pos Ignition-Poly 420360-1

    SEA-DOG LINE

    $24.95 $19.43
    Sea-Dog Line Switch 3Pos Ignition-Poly 420360-13 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Short shaft fits panels up to 5/8" thick, long shaft fits panels up to 1-1/8" thick. Functions: Off-Ignition-Start.
    Part Number:
    354-4203601
    Availability:
    In Stock - Ships same or next business day.
    Panel:
    1-1/8" Max
    Terminals:
    3 Screw
    Boot:
    No
    $24.95 $19.43
  • Sea-Dog Line Tether Kill Switch - Universal 420498-1

    Sea-Dog Line Tether Kill Switch - Universal 420498-1

    SEA-DOG LINE

    $27.25 $22.99
    Sea-Dog Line Tether Kill Switch - Universal 420498-1 Dual circuitry allows kill switch to be wired for either ignition kill or magneto kill. WARNING: Test switch for proper function before each use. Replace lanyard if worn, cut or frayed.
    Part Number:
    354-4204981
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Switch w/Floating Lanyard
    A:
    1/4"
    B:
    5/8"
    $27.25 $22.99
  • Sea-Dog Line Tube Connector (Black) 273300-1

    Sea-Dog Line Tube Connector (Black) 273300-1

    SEA-DOG LINE

    $4.73
    Sea-Dog Line Tube Connector (Black) 273300-1 Tube Connectors are used for connecting the ends of stainless steel or aluminum tubing by sliding inside the tube. Fits 7/8” O.D. tubing. Constructed of UV resistant injection molded nylon. *Stainless...
    Part Number:
    354-2733001
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black Injection Molded Nylon
    A:
    3/4"
    B (Tube O.D.*):
    7/8"
    Length:
    2-1/4"
    Weight:
    .04/.08
    $4.73
  • Sea-Dog Line Windshield Wiper Blade 411111-1

    Sea-Dog Line Windshield Wiper Blade 411111-1

    SEA-DOG LINE

    $14.50 $12.11
    Sea-Dog Line Windshield Wiper Blade 411111-1 All hook style wiper blades and arms are replacements for Sea-Dog® wipers sold prior to 1993. In addition, the hook style wiper blades and arms will fit most older wipers sold by AFI®, Wilcox®, NA...
    Part Number:
    354-4111111
    Availability:
    In Stock - Ships same or next business day.
    Style:
    Hook
    C:
    11"
    $14.50 $12.11
  • Seachoice 12-10 3/8Heat Shrink Ring 25/Pk 60071

    Seachoice 12-10 3/8Heat Shrink Ring 25/Pk 60071

    Seachoice

    $28.59 $14.46
    Seachoice 12-10 3/8Heat Shrink Ring 25/Pk 60071 Marine grade heat shrinkable ring terminals99.9% Pure copper with brazed seam barrel, tin platedProprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire...
    Part Number:
    50-60071
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    43444
    Stud:
    3/8"
    Color:
    Yellow
    Pack:
    25
    $28.59 $14.46
  • Sold Out, please call for ETA.
    Seachoice 16-14 Coolseal But Spice 25/Pk 50-63511

    Seachoice 16-14 Coolseal But Spice 25/Pk 50-63511

    Seachoice

    $26.71 $14.32
    Seachoice 16-14 Coolseal But Spice 25/Pk 50-63511 Cool Seal is a heat-less, solderless terminal, it utilizes revolutionary anaerobic sealant technology that installs in a fraction of the time of comparable heat seal connectorsSimply strip the wire and...
    Part Number:
    50-63511
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    16-14
    Color:
    Blue
    Pack:
    25

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.