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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Standard Wiper Motor Kit 412428B-1

    Sea-Dog Line Standard Wiper Motor Kit 412428B-1

    SEA-DOG LINE

    $166.00 $123.87
    Sea-Dog Line Standard Wiper Motor Kit 412428B-1 Standard Wiper Motor Kit includes a frame mount wiper motor, adjustable standard wiper arm (9-1/2"-12-1/2"), 1/4" I.D. and an 11” curved blade. Constructed of powder coated aluminum and 304 stainless...
    Part Number:
    354-412428B1
    Availability:
    In Stock - Ships same or next business day.
    A:
    3/8"
    B:
    2-1/2"
    C:
    9-1/2"-12-1/2"
    D:
    11"
    Sweep:
    80 Degrees
    Volts:
    12/2
    $166.00 $123.87
  • Sea-Dog Line Thimble SS Heavy Duty 1/8" 170003

    Sea-Dog Line Thimble SS Heavy Duty 1/8" 170003

    SEA-DOG LINE

    $1.94
    Sea-Dog Line Thimble SS Heavy Duty 1/8" 170003 These Heavy Duty Thimbles are used to protect wire or rope from contact with the load it is hoisting. The thimbles keep the eye splice from being crushed while reducing chafe and abrasion. Ideal for lines...
    Part Number:
    354-170003
    Availability:
    In Stock - Ships same or next business day.
    A:
    1/8"
    B:
    11/16"
    C:
    3/8"
    D:
    1"
    Pkg.:
    Bulk
    $1.94
  • Sea-Dog Line Thimble SS Heavy Duty 3/16" 170005

    Sea-Dog Line Thimble SS Heavy Duty 3/16" 170005

    SEA-DOG LINE

    $2.39
    Sea-Dog Line Thimble SS Heavy Duty 3/16" 170005 These Heavy Duty Thimbles are used to protect wire or rope from contact with the load it is hoisting. The thimbles keep the eye splice from being crushed while reducing chafe and abrasion. Ideal for lines...
    Part Number:
    354-170005
    Availability:
    In Stock - Ships same or next business day.
    A:
    3/16"-7/32"
    B:
    15/16"
    C:
    1/2"
    D:
    1-1/4"
    Pkg.:
    Bulk
    $2.39
  • Sea-Dog Line Toggle Switch Mom/Off L Tip 420122-1

    Sea-Dog Line Toggle Switch Mom/Off L Tip 420122-1

    SEA-DOG LINE

    $25.95 $18.95
    Sea-Dog Line Toggle Switch Mom/Off L Tip 420122-1Made of stamped, brass/molded bakelite. Rated 15 Amps at 12 volts. On in parenthesis (On) indicates a momentary position.
    Part Number:
    354-4201221
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    (On)/Off
    Terminals:
    4 Blade
    Type:
    SPST
    $25.95 $18.95
  • 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

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.