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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Inline Fuse Holder (Waterproof 420553-1

    Sea-Dog Line Inline Fuse Holder (Waterproof 420553-1

    SEA-DOG LINE

    $13.50 $11.45
    Sea-Dog Line Inline Fuse Holder (Waterproof 420553-1Snap tight connection for use in wet or semi-wet locations. Includes standard 1/4" x 1-1/4" glass fuse.
    Part Number:
    354-4205531
    Availability:
    In Stock - Ships same or next business day.
    Gauge:
    14
    Fuse:
    15A
    $13.50 $11.45
  • Sea-Dog Line Kill Switch 10 Key Lanyard 420496-1

    Sea-Dog Line Kill Switch 10 Key Lanyard 420496-1

    SEA-DOG LINE

    $20.95 $16.87
    Sea-Dog Line Kill Switch 10 Key Lanyard 420496-110 Key Lanyard fits Johnson, Evinrude, Mercury, Yamaha, Honda, Tohatsu, Suzuki, Kawasaki, OMC and Nissan kill switches. Injection Molded Nylon & Delrin. Length 50"
    Part Number:
    354-4204961
    Availability:
    In Stock - Ships same or next business day.
    $20.95 $16.87
  • Sea-Dog Line LED Courtesy Light (Blue)  401647-1

    Sea-Dog Line LED Courtesy Light (Blue) 401647-1

    SEA-DOG LINE

    $29.95 $23.42
    Sea-Dog Line LED Courtesy Light (Blue)  401647-1  These LED Courtesy Lights feature 9 low amp LEDs per light. White LEDs produce 8 lumens of light, while blue and red LEDs produce 3 lumens. Constructed of corrosion resistant lightweight plastic...
    Part Number:
    354-4016471
    Availability:
    In Stock - Ships same or next business day.
    Housing:
    White
    LED Color:
    Blue
    A:
    3-1/8"
    B:
    1/2"
    C:
    2"
    $29.95 $23.42
  • Sea-Dog Line LED Dome Light (White) 401727-1

    Sea-Dog Line LED Dome Light (White) 401727-1

    SEA-DOG LINE

    $53.95 $45.60
    Sea-Dog Line LED Dome Light (White) 401727-1 These vibration resistant LED Dome Lights are prewired with an on/off rocker switch. With the low current consumption of 0.068 amps @ 12 volts, they give off very little heat and have extremely long service...
    Part Number:
    354-4017271
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    A:
    4"
    B:
    5-3/4"
    C:
    1-5/8"
    Volts:
    12
    $53.95 $45.60
  • Sea-Dog Line LED Strip Light (Blue) 401466-1

    Sea-Dog Line LED Strip Light (Blue) 401466-1

    SEA-DOG LINE

    $29.95 $23.42
    Sea-Dog Line LED Strip Light (Blue) 401466-1 These LED Strip Lights feature 6 or 12 low amp LEDs per light. Circuit boards are epoxy potted for a waterproof seal. Constructed of corrosion resistant lightweight plastic. Installs with two #10 RH fasteners...
    Part Number:
    354-4014661
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Plastic
    LEDs:
    12/24
    LED Color:
    Blue
    Volts:
    12
    A:
    6"
    B:
    3/4"
    C:
    15/16"
    $29.95 $23.42
  • Sea-Dog Line LED Surface Mount Courtesy Light (Blue) 401409-1

    Sea-Dog Line LED Surface Mount Courtesy Light (Blue) 401409-1

    SEA-DOG LINE

    $32.95 $26.91
    Sea-Dog Line LED Surface Mount Courtesy Light (Blue) 401409-1 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:
    354-4014091
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stamped 304 Stainless Steel/Plastic
    Color:
    Blue
    A:
    3-1/8"
    B:
    1-7/16"
    C:
    3/16"
    Volts:
    12
    Lumens:
    10
    $32.95 $26.91
  • Sea-Dog Line Maxblast Air Horn Sngl Trump 432510-1

    Sea-Dog Line Maxblast Air Horn Sngl Trump 432510-1

    SEA-DOG LINE

    $325.00 $272.71
    Sea-Dog Line Maxblast Air Horn Sngl Trump 432510-1Meets U.S Coast Guard's C.O.L.R.E.G.S. and U.S. Inland Navigation Rules, Annex III Regulations for boats up to 66'. Includes compressor, air tubing, and mounting hardware. Maximum draw, 20 amps.
    Part Number:
    354-4325101
    Availability:
    In Stock - Ships same or next business day.
    Style:
    Single
    Finish:
    Chrome
    Size:
    17"
    Rating:
    120 db
    Volts:
    12
    $325.00 $272.71
  • Sea-Dog Line Maxblast Dual Trump Horn 12 431520-1

    Sea-Dog Line Maxblast Dual Trump Horn 12 431520-1

    SEA-DOG LINE

    $225.00 $190.08
    Sea-Dog Line Maxblast Dual Trump Horn 12 431520-1Stamped 305 Stainless Steel with over molded motor housing.Dual trumpet horns meet U.S Coast Guard's C.O.L.R.E.G.S. and U.S. Inland Navigation Rules, Annex III Regulations for boats up to 66'. 5-Year...
    Part Number:
    354-4315201
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Dual trumpet
    Length:
    18 1/4"
    Rating:
    123 db
    Volts:
    12
    $225.00 $190.08
  • Sea-Dog Line Maxblast Dual Trump Horn 24 431540-1

    Sea-Dog Line Maxblast Dual Trump Horn 24 431540-1

    SEA-DOG LINE

    $235.00 $197.30
    Sea-Dog Line Maxblast Dual Trump Horn 24 431540-1Stamped 305 Stainless Steel with over molded motor housing.Dual trumpet horns meet U.S Coast Guard's C.O.L.R.E.G.S. and U.S. Inland Navigation Rules, Annex III Regulations for boats up to 66'. 5-Year...
    Part Number:
    354-4315401
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Dual trumpet
    Length:
    18 1/4"
    Rating:
    123 db
    Volts:
    24
    $235.00 $197.30
  • Sold Out, please call for ETA.
    Sea-Dog Line MRV Wiper Motor (Black) 412128B-3

    Sea-Dog Line MRV Wiper Motor (Black) 412128B-3

    SEA-DOG LINE

    $197.00 $126.87
    Sea-Dog Line MRV Wiper Motor (Black) 412128B-3 MRV Wiper Motors are a two-speed, self-parking heavy duty motor for interior/protected locations. Sweep angle is preset at 80° or 110°, but can be reset to 40°, 50°, 60°, 70°,...
    Part Number:
    354-412128B3
    Availability:
    In Stock - Ships same or next business day.
    Finish:
    Black Stamped Powder Coated Steel/304 Stainless Steel
    A:
    5/8"
    B:
    2-1/2"
    C:
    4"
    D:
    7-1/4"
    Sweep:
    80 Degrees
    Volts:
    12/2
  • Sea-Dog Line Multi-Purpose Cutter 563310-1

    Sea-Dog Line Multi-Purpose Cutter 563310-1

    SEA-DOG LINE

    $30.95 $21.37
    Sea-Dog Line Multi-Purpose Cutter 563310-1 This Multi-Purpose Cutter is great for cutting rope, wire, and plastic tubing. Includes two spare utility blades stored in the handle. Constructed of powder coated steel and ABS plastic. Replacement Anvils...
    Part Number:
    354-5633101
    Availability:
    In Stock - Ships same or next business day.
    A:
    9-1/2"
    B:
    2-5/8"
    $30.95 $21.37
  • Sea-Dog Line Nylon Switch Panel-Vertical 425110-1

    Sea-Dog Line Nylon Switch Panel-Vertical 425110-1

    SEA-DOG LINE

    $149.25 $116.33
    Sea-Dog Line Nylon Switch Panel-Vertical 425110-1Injection molded nylon. Wave rocker switch panel includes five illuminating rocker switches. The panel includes various AGC fuse's; (2) 3 amp; (2) 5 amp; (1) 8 amp and (1) 10 amp. Label decals are back lit...
    Part Number:
    354-4251101
    Availability:
    In Stock - Ships same or next business day.
    A:
    6-1/2"
    B:
    4-1/2"
    C:
    5-1/2"
    D:
    3-1/2"
    $149.25 $116.33
  • Sea-Dog Line Nylon Top Cap(Black) 273110-1

    Sea-Dog Line Nylon Top Cap(Black) 273110-1

    SEA-DOG LINE

    $8.30 $7.15
    Sea-Dog Line Nylon Top Cap(Black) 273110-1 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 7/8” round tubing...
    Part Number:
    354-2731101
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Black Injection Molded Nylon
    Tube O.D.:
    3/4"
    Pin:
    1/4"
    $8.30 $7.15
  • Sea-Dog Line Power Socket - Plug Only 426114-1

    Sea-Dog Line Power Socket - Plug Only 426114-1

    SEA-DOG LINE

    $5.76
    Sea-Dog Line Power Socket - Plug Only 426114-1Made from stamped brass and injection molded nylon & ABS. Maximum rating is 12 volts and 16 amps.
    Part Number:
    354-4261141
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Plug Only
    A:
    N/A
    B:
    N/A
    C:
    N/A
    D:
    N/A
    E:
    N/A
    $5.76
  • Sea-Dog Line Power Socket Complete - 12 Vol 426112-1

    Sea-Dog Line Power Socket Complete - 12 Vol 426112-1

    SEA-DOG LINE

    $13.95 $11.69
    Sea-Dog Line Power Socket Complete - 12 Vol 426112-1Made from stamped brass and injection molded nylon & ABS. Maximum rating is 12 volts and 16 amps.
    Part Number:
    354-4261121
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Socket & Plug
    A:
    2-1/4"
    B:
    1-1/4"
    C:
    1-1/2"
    D:
    1-1/16"
    E:
    1-7/8"
    $13.95 $11.69
  • Sea-Dog Line Rocker Switch Mom On-Off-Mom 420204-1

    Sea-Dog Line Rocker Switch Mom On-Off-Mom 420204-1

    SEA-DOG LINE

    $18.95 $13.35
    Sea-Dog Line Rocker Switch Mom On-Off-Mom 420204-1Stamped brass/injection molded nylon & polycarbonate. Ignition protected, water resistant. Rated 20 amps @12 volt. On in parenthesis (On) indicates a momentary position.
    Part Number:
    354-4202041
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    (On)/Off/(On)
    Type:
    SPDT
    Terminals:
    3 Blades
    $18.95 $13.35

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.