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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Shock Cord Elastic 3/8" x 36I 650360-1

    Sea-Dog Line Shock Cord Elastic 3/8" x 36I 650360-1

    SEA-DOG LINE

    $6.10 $5.41
    Sea-Dog Line Shock Cord Elastic 3/8" x 36I 650360-1 These Elastic Shock Cords are great for securing bicycles, hand trucks, dinghies, or other odd-shaped items to your boat, trailer, or RV. Also handy for bundling items together, making them easier to...
    Part Number:
    354-6503601
    Availability:
    In Stock - Ships same or next business day.
    A:
    36"
    B:
    3"
    Diameter:
    3/8"
    $6.10 $5.41
  • Sea-Dog Line Side Mount Deck Hinge (Black) 273250-1

    Sea-Dog Line Side Mount Deck Hinge (Black) 273250-1

    SEA-DOG LINE

    $7.50 $7.42
    Sea-Dog Line Side Mount Deck Hinge (Black) 273250-1 Side Mount Hinge Fittings are designed to mount vertically and attach an eye end in Bimini top applications. 1/4” pin size. Constructed of UV resistant injection molded nylon. Installs with #10 FH...
    Part Number:
    354-2732501
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black Injection Molded Nylon
    Pin:
    1/4"
    Width:
    7/8"
    Length:
    2-7/16"
    $7.50 $7.42
  • Sea-Dog Line Side Mount Light (Port) 400003-1

    Sea-Dog Line Side Mount Light (Port) 400003-1

    SEA-DOG LINE

    $32.95 $25.43
    Sea-Dog Line Side Mount Light (Port) 400003-1 These Side Mount Lights are for replacement of existing lighting (not for new construction). Constructed of injection molded polycarbonate with stamped stainless steel. These navigation lights do not meet the...
    Part Number:
    354-4000031
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Injection Molded Polycarbonate/Stamped Stainless Steel
    Position:
    Port
    A:
    2-7/8"
    B:
    2-3/16"
    C:
    2-1/8"
    Volts:
    12
    $32.95 $25.43
  • Sea-Dog Line Side Mount Light (Starboard) 400004-1

    Sea-Dog Line Side Mount Light (Starboard) 400004-1

    SEA-DOG LINE

    $32.95 $25.43
    Sea-Dog Line Side Mount Light (Starboard) 400004-1 These Side Mount Lights are for replacement of existing lighting (not for new construction). Constructed of injection molded polycarbonate with stamped stainless steel. These navigation lights do not...
    Part Number:
    354-4000041
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Injection Molded Polycarbonate/Stamped Stainless Steel
    Position:
    Starboard
    A:
    2-7/8"
    B:
    2-3/16"
    C:
    2-1/8"
    Volts:
    12
    $32.95 $25.43
  • Sea-Dog Line Side Mount Lights 400160-1

    Sea-Dog Line Side Mount Lights 400160-1

    SEA-DOG LINE

    $56.95 $43.08
    Sea-Dog Line Side Mount Lights 400160-1 These Side Mount Lights are for replacement of existing lighting (not for new construction). Constructed of corrosion resistant stamped 304 stainless steel. Includes port and starboard lights. Installs with six #4...
    Part Number:
    354-4001601
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Stamped 304 Stainless Steel
    A:
    2-5/16"
    B:
    1-3/8"
    C:
    3/4"
    Volts:
    12
    $56.95 $43.08
  • Sea-Dog Line Side Mount/Slide (Black) 273265-1

    Sea-Dog Line Side Mount/Slide (Black) 273265-1

    SEA-DOG LINE

    $14.00 $11.66
    Sea-Dog Line Side Mount/Slide (Black) 273265- 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:
    354-2732651
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black Injection Molded Nylon
    Width:
    1"
    Length:
    2-1/4"
    Pin:
    1/4"
    $14.00 $11.66
  • Sea-Dog Line Single Mini Compact Horn 431110-1

    Sea-Dog Line Single Mini Compact Horn 431110-1

    SEA-DOG LINE

    $41.95 $33.86
    Sea-Dog Line Single Mini Compact Horn 431110-1Stamped 304 stainless cover. Meets ABYC standard A-23, NMMA type accepted #748110, for use on vessels under 39'.
    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
    $41.95 $33.86
  • Sea-Dog Line Small Deck Hinge (White) 273206-1

    Sea-Dog Line Small Deck Hinge (White) 273206-1

    SEA-DOG LINE

    $7.60 $6.32
    Sea-Dog Line Small Deck Hinge (White) 273206-1 Deck Hinges are designed to mount horizontally and attach an eye end secured to tubing in Bimini top applications. Concave Hinges are designed to rail mount on 7/8” tubing. Angled Hinges are used for...
    Part Number:
    354-2732061
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White Injection Molded Nylon
    Pin:
    3/16
    Width:
    13/16"
    Length:
    2-3/8"
    $7.60 $6.32
  • Sea-Dog Line Splash Garde On/Off Switch 420396-1

    Sea-Dog Line Splash Garde On/Off Switch 420396-1

    SEA-DOG LINE

    $33.95 $23.09
    Sea-Dog Line Splash Garde On/Off Switch 420396-1PVC coating protects terminals and switch from water. Not designed for immersion. 15 amps.
    Part Number:
    354-4203961
    Availability:
    In Stock - Ships same or next business day.
    Shaft:
    3/8" x 15/16"
    $33.95 $23.09
  • Sea-Dog Line Splash Garde Push Button Swch 420426-1

    Sea-Dog Line Splash Garde Push Button Swch 420426-1

    SEA-DOG LINE

    $38.25 $32.11
    Sea-Dog Line Splash Garde Push Button Swch 420426-1PVC coating protects terminals and switch from water. Not designed for immersion. 3/4" maximum panel depth, 5/8" diameter.
    Part Number:
    354-4204261
    Availability:
    In Stock - Ships same or next business day.
    A:
    13/16"
    B:
    5/8"
    Amps:
    15
    $38.25 $32.11
  • Sea-Dog Line SS Jaw & Jaw Swivel 5/16 Bulk 182308

    Sea-Dog Line SS Jaw & Jaw Swivel 5/16 Bulk 182308

    SEA-DOG LINE

    $18.95 $15.30
    Sea-Dog Line SS Jaw & Jaw Swivel 5/16 Bulk 182308 Jaw & Jaw Swivels link together two parts that have separate rotational directions, reducing knotting or twisting and relieving stress. Constructed of corrosion resistant investment cast 316...
    Part Number:
    354-182308
    Availability:
    In Stock - Ships same or next business day.
    Size:
    5/16"
    A:
    3-11/16"
    B:
    5/8"
    C:
    5/8"
    $18.95 $15.30
  • Sea-Dog Line SS Jaw And Jaw Swivel 5/16 182308-1

    Sea-Dog Line SS Jaw And Jaw Swivel 5/16 182308-1

    SEA-DOG LINE

    $20.45 $16.42
    Sea-Dog Line SS Jaw And Jaw Swivel 5/16 182308-1 Jaw & Jaw Swivels link together two parts that have separate rotational directions, reducing knotting or twisting and relieving stress. Constructed of corrosion resistant investment cast 316 stainless...
    Part Number:
    354-1823081
    Availability:
    In Stock - Ships same or next business day.
    Size:
    5/16"
    A:
    3-11/16"
    B:
    5/8"
    C:
    5/8"
    $20.45 $16.42
  • Sea-Dog Line SS Rail Mount Deck Hinge  270240-1

    Sea-Dog Line SS Rail Mount Deck Hinge 270240-1

    SEA-DOG LINE

    $16.25 $13.61
    Sea-Dog Line SS Rail Mount Deck Hinge 270240-1 These Top Mount Hinge Fittings are designed to mount horizontally and attach an eye end in Bimini top applications. Concave Hinges are designed to rail mount on 1” tubing. Angled Hinges are used for...
    Part Number:
    354-2702401
    Availability:
    In Stock - Ships same or next business day.
    Material:
    316 Stainless
    Base:
    3/4" x 2-1/4"
    Pin:
    1/4"
    $16.25 $13.61

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.