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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sold Out, please call for ETA.
    Sea-Dog Line Toggle Switch Mom/Off/Mom L Ti 420129-1

    Sea-Dog Line Toggle Switch Mom/Off/Mom L Ti 420129-1

    SEA-DOG LINE

    $37.70 $26.74
    Sea-Dog Line Toggle Switch Mom/Off/Mom L Ti 420129-1Made of stamped, brass/molded bakelite. Rated 15 Amps at 12 volts. On in parenthesis (On) indicates a momentary position.
    Part Number:
    354-4201291
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    (On)/Off/(On)
    Terminals:
    8 Blade
    Type:
    DPDT
  • Sea-Dog Line Twin Mini Compact Horn 431120-1

    Sea-Dog Line Twin Mini Compact Horn 431120-1

    SEA-DOG LINE

    $81.95 $67.49
    Sea-Dog Line Twin Mini Compact Horn 431120-1Stamped 304 stainless cover. Meets ABYC standard A-23, NMMA type accepted #748110, for use on vessels under 39'.
    Part Number:
    354-4311201
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Double
    Size:
    8" x 3 5/16"
    Rating:
    111 db
    Volts:
    12
    $81.95 $67.49
  • Sea-Dog Line Twin Mini Compact Horn 431125-1

    Sea-Dog Line Twin Mini Compact Horn 431125-1

    SEA-DOG LINE

    $119.95 $94.99
    Sea-Dog Line Twin Mini Compact Horn 431125-1 An injection-molded housing under the stainless steel covers protects the steel covers from rusting, leaving it completely rust-free after a 600 hour salt spray test. Meets ABYC standard A-23, NMMA type...
    Part Number:
    354-4311251
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Double
    Size:
    8" × 3-5/16"
    Rating:
    111 db
    Volts:
    12
    $119.95 $94.99
  • Sold Out, please call for ETA.
    Sea-Dog Line WaterProof Heavy Duty Wiper Motor (White) 412238W-3

    Sea-Dog Line WaterProof Heavy Duty Wiper Motor (White) 412238W-3

    SEA-DOG LINE

    $209.00 $169.99
    Sea-Dog Line WaterProof Heavy Duty Wiper Motor (White) 412238W-3 Waterproof Heavy Duty Wiper Motors are a two-speed, self-parking motor for exterior/unprotected locations. Sweep angle is preset at 80° or 110°, but can be reset to 40°,...
    Part Number:
    354-412238W3
    Availability:
    In Stock - Ships same or next business day.
    A:
    5/8"
    B:
    3-1/2"
    C:
    4"
    D:
    7-1/2"
    Sweep:
    80 Degrees
    Volts:
    12/2
  • Sea-Dog Line Wiper Blade Straight Blade Arm Style ( Black) 414212B-1

    Sea-Dog Line Wiper Blade Straight Blade Arm Style ( Black) 414212B-1

    SEA-DOG LINE

    $31.75 $24.80
    Sea-Dog Line Wiper Blade Straight Blade Arm Style ( Black) 414212B-1 These deluxe curved Wiper Blades feature a marine grade silicone rubber squeegee. For use on flat or curved windshields with a straight blade style arm. Constructed of corrosion...
    Part Number:
    354-414212B1
    Availability:
    In Stock - Ships same or next business day.
    Description:
    304 Stainless Steel
    Finish:
    Black
    A:
    11-1/2"
    $31.75 $24.80
  • Sea-Dog Line Wiper Blade Straight Blade Style Arm (Black) 414216B-1

    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Black) 414216B-1

    SEA-DOG LINE

    $34.75 $26.81
    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Black) 414216B-1 These deluxe curved Wiper Blades feature a marine grade silicone rubber squeegee. For use on flat or curved windshields with a straight blade style arm. Constructed of corrosion...
    Part Number:
    354-414216B1
    Availability:
    In Stock - Ships same or next business day.
    Description:
    304 Stainless Steel
    Finish:
    Black
    A:
    16"
    $34.75 $26.81
  • Sea-Dog Line Zinc Plated Anchor Lift & Lock 328040-1

    Sea-Dog Line Zinc Plated Anchor Lift & Lock 328040-1

    SEA-DOG LINE

    $17.95 $15.01
    Sea-Dog Line Zinc Plated Anchor Lift & Lock 328040-1 This Anchor Lift & Lock Bow Roller makes it easier to set and retrieve your anchor. Designed for one-handed use by simply lifting up on the line to release the locking system. Then feed the...
    Part Number:
    354-3280401
    Availability:
    In Stock - Ships same or next business day.
    Rope Dia.:
    3/8" Max
    A:
    6-13/16"
    B:
    13/16"
    C:
    1-7/8"
    Fastener:
    #10 RH
    $17.95 $15.01
  • Seachoice 1/2 O.D. Shaft For 4 Roller 55721

    Seachoice 1/2 O.D. Shaft For 4 Roller 55721

    Seachoice

    $9.02 $7.57
    Seachoice 1/2 O.DShaft For 4 Roller 55721 Made of zinc plated steelRoller shaft comes complete with 2 pal nuts.
    Part Number:
    50-55721
    Availability:
    In Stock - Ships same or next business day.
    Shaft:
    1/2" OD
    Roller Size:
    4"
    Length:
    5-3/8"
    $9.02 $7.57
  • Special Order! See availaility for details
    Seachoice 12 Mm Nut F2848/2853 20781

    Seachoice 12 Mm Nut F2848/2853 20781

    Seachoice

    $24.38 $16.99
    Seachoice 12 Mm Nut F2848/2853 20781
    Part Number:
    50-28431
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Replacement Nut
    Size:
    12mm
    $24.38 $16.99
  • Seachoice 12-10 1/4Heat Shrink Ring 25/Pk 60051

    Seachoice 12-10 1/4Heat Shrink Ring 25/Pk 60051

    Seachoice

    $28.59 $14.46
    Seachoice 12-10 1/4Heat Shrink Ring 25/Pk 60051 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:
    50-60051
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    43444
    Stud:
    1/4"
    Color:
    Yellow
    Pack:
    25
    $28.59 $14.46
  • Seachoice 12-10 Male Quick Disc. 25/Pk 60321

    Seachoice 12-10 Male Quick Disc. 25/Pk 60321

    Seachoice

    $38.29 $25.50
    Seachoice 12-10 Male Quick Disc25/Pk 60321 Marine grade heat shrinkable quick disconnect terminals99.9% Pure copper with butted seam barrel, tin platedClear polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire...
    Part Number:
    50-60321
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    43444
    Connection:
    Male
    Color:
    Yellow
    Pack:
    25
    $38.29 $25.50
  • Seachoice 16-14 #10 Ht Shnk Ring Ter-100 50-63811

    Seachoice 16-14 #10 Ht Shnk Ring Ter-100 50-63811

    Seachoice

    $78.59 $34.81
    Seachoice 16-14 #10 Ht Shnk Ring Ter-100 50-63811 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:
    50-63811
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    16-14
    Stud:
    #10
    Color:
    Blue
    Pack:
    100
    $78.59 $34.81
  • Seachoice 16-14 #8 Ht Shnk Ring Ter -100 50-63821

    Seachoice 16-14 #8 Ht Shnk Ring Ter -100 50-63821

    Seachoice

    $78.59 $46.78
    Seachoice 16-14 #8 Ht Shnk Ring Ter -100 50-63821 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:
    50-63821
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    16-14
    Stud:
    #8
    Color:
    Blue
    Pack:
    100
    $78.59 $46.78
  • Seachoice 16-14 Heat Shrink Bt Conn 500/Pk 50-62781

    Seachoice 16-14 Heat Shrink Bt Conn 500/Pk 50-62781

    Seachoice

    $339.69 $172.84
    Seachoice 16-14 Heat Shrink Bt Conn 500/Pk 50-62781 Marine grade heat shrinkable butt splices99.9% Pure copper with seamless tube, tin platedProprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire...
    Part Number:
    50-62781
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    16-14
    Color:
    Blue
    Pack:
    500
    $339.69 $172.84

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.