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Boat Accessories and Supplies

Boat Accessories and Supplies

  • 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 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
  • Sea-Dog Line Rocker Switch On/Off 420446-1

    Sea-Dog Line Rocker Switch On/Off 420446-1

    SEA-DOG LINE

    $6.99 $6.49
    Sea-Dog Line Rocker Switch On/Off 420446-1 Stamped brass/injection molded nylon and polycarbonate. 15 amps/12 volts.
    Part Number:
    354-4204461
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off
    Type:
    SPST
    A:
    1/2"
    B:
    1-1/8"
    $6.99 $6.49
  • 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 Single Mini Compact Horn 431110-1

    Sea-Dog Line Single Mini Compact Horn 431110-1

    SEA-DOG LINE

    $49.95 $39.99
    Single Mini Compact Horn  Single Mini Compact Horn features a prewired, sealed sound unit with 304 stainless steel diaphragm and stamped 304 stainless cover. Mounting bracket can be used as a wiring template. A drop-in replacement for many common...
    Part Number:
    354-4311101
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Single
    Size:
    3 5/16" x 3 5/8"
    Rating:
    108 db
    Volts:
    12
    $49.95 $39.99
  • 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 SS Side Mount Hinge 270250-1

    Sea-Dog Line SS Side Mount Hinge 270250-1

    SEA-DOG LINE

    $18.55 $15.99
    Sea-Dog Line SS Side Mount Hinge 270250-1 Side Mount Hinge Fittings are designed to mount vertically and attach an eye end in Bimini top applications. 1/4” or 5/16” pin size. Constructed of corrosion resistant investment cast 316 stainless...
    Part Number:
    354-2702501
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stainless 2-Hole
    Base:
    7/8" x 2"
    Pin:
    1/4"
    $18.55 $15.99
  • 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 Deck Pipe 321800

    Sea-Dog Line Stainless Chain Deck Pipe 321800

    SEA-DOG LINE

    $113.45 $84.90
    Sea-Dog Line Stainless Chain Deck Pipe 321800 This Chain Deck Pipe facilitates the storage of anchor lines out of the way below deck, reducing the risk of trip hazards on deck. The oval opening can accommodate a large thimble and line plus the shackle...
    Part Number:
    354-321800
    Availability:
    In Stock - Ships same or next business day.
    A:
    4-1/16"
    B:
    5-5/8"
    C:
    2-3/4"
    D:
    4-1/8"
    E:
    2-1/2"
    F:
    3-3/4"
    Fastener:
    #10 FH
    $113.45 $84.90
  • 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

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.