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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Flag Pole Stainless Rail Mount 328115-1

    Sea-Dog Line Flag Pole Stainless Rail Mount 328115-1

    SEA-DOG LINE

    $14.25 $13.99
    Sea-Dog Line Flag Pole Stainless Rail Mount 328115-1 Formed 304 Stainless. Each flag pole comes complete with split rings for easy flag attachment and has a polyethylene spacer to reduce scratching of the rail. Fasteners included.
    Part Number:
    354-3281151
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    7/8"-1" rails
    Length:
    15-1/2"
    $14.25 $13.99
  • Sea-Dog Line Flag Pole With Rail Mount 327120-1

    Sea-Dog Line Flag Pole With Rail Mount 327120-1

    SEA-DOG LINE

    $15.55 $14.99
    Sea-Dog Line Flag Pole With Rail Mount 327120-1 Injection molded nylon and stainless steel. Complete with split rings for easy attachment.
    Part Number:
    354-3271201
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    7/8"-1" rails
    Length:
    15-1/2"
    $15.55 $14.99
  • Sea-Dog Line Halogen Floodlight 405115-1

    Sea-Dog Line Halogen Floodlight 405115-1

    SEA-DOG LINE

    $42.95 $36.99
    Sea-Dog Line Halogen Floodlight 405115-1 This marine grade Halogen Flood Light features H3 style 12VDC 55W halogen bulb. Constructed of fiberglass reinforced injection molded housing for strength and UV resistance, a solid glass lens, and a corrosion...
    Part Number:
    354-4051151
    Availability:
    In Stock - Ships same or next business day.
    A:
    5-7/8"
    B:
    4-1/16"
    C:
    3-3/16"
    Volts:
    12
    Amps:
    4.58
    Watts:
    55
    $42.95 $36.99
  • Sea-Dog Line Ign.Swch 3-Pos With Boot 420355-1

    Sea-Dog Line Ign.Swch 3-Pos With Boot 420355-1

    SEA-DOG LINE

    $48.95 $39.99
    Sea-Dog Line Ign.Swch 3-Pos With Boot 420355-1 3 Position brass ignition/starter switch w/ 3 screw terminals. 13/16" Shaft dia. Long shaft type. Functions: Off-Ignition-Start.
    Part Number:
    354-4203551
    Availability:
    In Stock - Ships same or next business day.
    Panel:
    1-1/8" Max
    Terminals:
    3 Screw
    Boot:
    Yes
    $48.95 $39.99
  • Sea-Dog Line Jaw Slide (White)  273161-1

    Sea-Dog Line Jaw Slide (White) 273161-1

    SEA-DOG LINE

    $13.00 $10.80
    Sea-Dog Line Jaw Slide (White)  273161-1 These Slide Fittings are used as part of a Bimini top system to install a new Bimini top to boat rails or for adding additional support arms to an existing top. Jaw Slides attach an eye end securely to...
    Part Number:
    354-2731611
    Availability:
    In Stock - Ships same or next business day.
    Material:
    White Injection Molded Nylon
    Tube O.D.:
    7/8"
    Pin:
    3/16"
    $13.00 $10.80
  • Sea-Dog Line LED Courtesy Light  (White) 401627-1

    Sea-Dog Line LED Courtesy Light (White) 401627-1

    SEA-DOG LINE

    $31.50 $24.58
    Sea-Dog Line LED Courtesy Light  (White) 401627-1 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 with...
    Part Number:
    354-4016271
    Availability:
    In Stock - Ships same or next business day.
    Housing:
    White
    LED Color:
    White
    A:
    3-1/8"
    B:
    1/2"
    C:
    2"
    $31.50 $24.58
  • Sea-Dog Line LED Day/Night Dome Light 400353-1

    Sea-Dog Line LED Day/Night Dome Light 400353-1

    SEA-DOG LINE

    $101.95 $82.87
    Sea-Dog Line LED Day/Night Dome Light 400353-1 This vibration resistant LED Day/Night Dome Light is prewired with an on/off/on toggle switch and feature two separate light circuits. One circuit uses a clear bulb and the other circuit uses a red night...
    Part Number:
    354-4003531
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stamped 304 Stainless Steel
    A:
    5"
    B:
    6-3/4"
    C:
    2"
    Volts:
    12
    $101.95 $82.87
  • Sea-Dog Line LED Strip Light (Green) 401467-1

    Sea-Dog Line LED Strip Light (Green) 401467-1

    SEA-DOG LINE

    $29.95 $23.42
    Sea-Dog Line LED Strip Light (Green) 401467-1 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:
    354-4014671
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Plastic
    LEDs:
    12
    LED Color:
    Green
    Volts:
    12/24
    A:
    6"
    B:
    3/4"
    C:
    15/16"
    $29.95 $23.42
  • Sold Out, please call for ETA.
    Sea-Dog Line LED Transom Light (Round) 400033-1

    Sea-Dog Line LED Transom Light (Round) 400033-1

    SEA-DOG LINE

    $64.95 $41.38
    Sea-Dog Line LED Transom Light (Round) 400033-1 Constructed of corrosion resistant stamped 304 stainless steel. Installs with two #8 RH fasteners (not included). All navigation lights must be mounted properly to provide the correct visual alignment and...
    Part Number:
    354-4000331
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stamped 304 Stainless Steel
    A:
    3-1/4"
    B:
    2-1/2"
    C:
    9/16"
    Finish:
    Stainless
    Volts:
    12
  • Sea-Dog Line LED Utility Light Blue (White) 401325-1

    Sea-Dog Line LED Utility Light Blue (White) 401325-1

    SEA-DOG LINE

    $16.25 $14.99
    Sea-Dog Line LED Utility Light Blue (White) 401325-1 These LED Utility Lights feature a low amp draw blue or white LED bulb. Constructed of injection molded Delrin for strength, heat resistance, and dimensional stability. Surface mounts with four #6 FH...
    Part Number:
    354-4013251
    Availability:
    In Stock - Ships same or next business day.
    Description:
    White Injection Molded Delrin
    A:
    2 3/16"
    B:
    1 3/4"
    C:
    1 9/16"
    D:
    11/16"
    LED Color:
    Blue
    $16.25 $14.99
  • Sea-Dog Line Marine Boat Stainless Steel Dome Light, 12V with On/Off Switch, 6-3/4" Dia 400200-1

    Sea-Dog Line Marine Boat Stainless Steel Dome Light, 12V with On/Off Switch, 6-3/4" Dia 400200-1

    SEA-DOG LINE

    $72.75 $59.99
    Sea-Dog Line Dome Light 400200-1 These Dome Lights are prewired with an on/off toggle switch and supplied with a 18.4 watt DC double contact bayonet bulb. Can be converted to LED with a bayonet bulb socket adapter (442042-1) BA15D style base and G4 bulb...
    Part Number:
    354-4002001
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stamped 304 Stainless Steel
    A:
    5"
    B:
    6-3/4"
    C:
    2-1/8"
    Volts:
    12
    $72.75 $59.99
  • Sea-Dog Line Max Air Horn Mini Trumpet Chrome 432620-1

    Sea-Dog Line Max Air Horn Mini Trumpet Chrome 432620-1

    SEA-DOG LINE

    $445.00 $278.59
    Sea-Dog Line Max Air Horn Mini Trumpet Chrome 432620-1Meets 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:
    354-4326201
    Availability:
    In Stock - Ships same or next business day.
    Style:
    Compact Double
    Finish:
    Chrome
    Size:
    9-5/8"W
    Rating:
    125 db
    Volts:
    12
    $445.00 $278.59
  • Sea-Dog Line Maxblast Air Horn Dual Trump 432520-1

    Sea-Dog Line Maxblast Air Horn Dual Trump 432520-1

    SEA-DOG LINE

    $535.00 $469.22
    Sea-Dog Line Maxblast Air Horn Dual Trump 432520-1Meets 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:
    354-4325201
    Availability:
    In Stock - Ships same or next business day.
    Style:
    Double
    Finish:
    Chrome
    Size:
    17"W
    Rating:
    121 db
    Volts:
    12
    $535.00 $469.22
  • Sea-Dog Line Merc. Push-To-Choke 3Pos. 420381-1

    Sea-Dog Line Merc. Push-To-Choke 3Pos. 420381-1

    SEA-DOG LINE

    $25.95 $20.85
    Sea-Dog Line Merc. Push-To-Choke 3Pos. 420381-1Polypropylene. Functions: Off-Ign.-Start-Choke. Push to choke.
    Part Number:
    354-4203811
    Availability:
    In Stock - Ships same or next business day.
    Panel:
    5/8" Max
    Terminals:
    6 Screw
    Boot:
    No
    $25.95 $20.85
  • Sea-Dog Line MRV Wiper Motor (Black) 412128B-3

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

    SEA-DOG LINE

    $219.95 $149.99
    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
    $219.95 $149.99
  • Sea-Dog Line MRV Wiper Motor (Black) 412211W-3

    Sea-Dog Line MRV Wiper Motor (Black) 412211W-3

    SEA-DOG LINE

    $199.00 $152.52
    Sea-Dog Line MRV Wiper Motor (Black) 412211W-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:
    354-412211W3
    Availability:
    In Stock - Ships same or next business day.
    A:
    5/8"
    B:
    1-1/2"
    C:
    4"
    D:
    7-1/2"
    Sweep:
    110 Degrees
    Volts:
    12/2
    $199.00 $152.52
  • Sea-Dog Line Nylon Adjustable Folding Drink 588220-1

    Sea-Dog Line Nylon Adjustable Folding Drink 588220-1

    SEA-DOG LINE

    $9.50 $8.15
    Sea-Dog Line Nylon Adjustable Folding Drink 588220-1Injection molded nylon. Adjusts for containers with a 2-3/8" to 3-7/8" diameter. #6 FH fasteners. Folds to a closed depth of 1".
    Part Number:
    354-5882201
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black
    Size:
    3-7/8" H x 3-3/4" W x 3-11/16" D
    $9.50 $8.15

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.