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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Waterproof Standard Wiper Motor  412328W-3

    Sea-Dog Line Waterproof Standard Wiper Motor 412328W-3

    SEA-DOG LINE

    $136.00 $103.00
    Sea-Dog Line Waterproof Standard Wiper Motor  412328W-3 Waterproof Standard Wiper Motor for exterior/unprotected locations. Sweep angle is preset at 80° or 110°, both can be adjusted to 80° or 110°. Adjustable right or left-hand...
    Part Number:
    354-412328W3
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Powder Coated Aluminum/304 Stainless Steel
    A:
    3/8"
    B:
    2-1/2"
    C:
    3-1/4"
    D:
    4-3/8"
    Sweep:
    80 Degrees
    Volts/Amps:
    12/2
    $136.00 $103.00
  • Sea-Dog Line Waterproof Standard Wiper Motor 412321W-3

    Sea-Dog Line Waterproof Standard Wiper Motor 412321W-3

    SEA-DOG LINE

    $136.00 $103.00
    Sea-Dog Line Waterproof Standard Wiper Motor 412321W-3 Waterproof Standard Wiper Motor for exterior/unprotected locations. Sweep angle is preset at 80° or 110°, both can be adjusted to 80° or 110°. Adjustable right or left-hand park,...
    Part Number:
    354-412321W3
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Powder Coated Aluminum/304 Stainless Steel
    A:
    3/8"
    B:
    2-1/2"
    C:
    3-1/4"
    D:
    4-3/8"
    Sweep:
    110 Degrees
    Volts/Amps:
    12/2
    $136.00 $103.00
  • Sea-Dog Line WaterProof Standard Wiper Motor Kit 412428W-1

    Sea-Dog Line WaterProof Standard Wiper Motor Kit 412428W-1

    SEA-DOG LINE

    $178.00 $132.55
    Sea-Dog Line WaterProof Standard Wiper Motor Kit 412428W-1 Waterproof Standard Wiper Motor Kit includes a waterproof frame mount wiper motor, an adjustable wiper arm (9-1/2"-12-1/2"),1/4" I.D. and an 11” curved blade. Constructed of corrosion...
    Part Number:
    354-412428W1
    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
    $178.00 $132.55
  • Sea-Dog Line Windshield Washer Kit 414900-3

    Sea-Dog Line Windshield Washer Kit 414900-3

    SEA-DOG LINE

    $105.00 $81.71
    Sea-Dog Line Windshield Washer Kit 414900-3 This Windshield Washer Kit comes complete with everything needed for a new installation. Includes tank with pump, wiring harness for the pump motor connection, toggle switch, 15' of clear tubing, hose barb tee,...
    Part Number:
    354-4149003
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Plastic
    A:
    8-1/2"
    B:
    4-7/8"
    C:
    3-7/8"
    D:
    7/8"
    Tank Capacity:
    2.5 Liters (2.66 Quarts)
    Volts:
    12
    $105.00 $81.71
  • Sea-Dog Line Wiper Blade Straight Blade Arm (Black) 414220B-1

    Sea-Dog Line Wiper Blade Straight Blade Arm (Black) 414220B-1

    SEA-DOG LINE

    $43.75 $33.43
    Sea-Dog Line Wiper Blade Straight Blade Arm (Black) 414220B-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 resistant 304...
    Part Number:
    354-414220B1
    Availability:
    In Stock - Ships same or next business day.
    Description:
    304 Stainless Steel
    Finish:
    Black
    Length:
    20"
    $43.75 $33.43
  • Sea-Dog Line Wiper Blade Straight Blade Style Arm (Black) 414218B-1

    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Black) 414218B-1

    SEA-DOG LINE

    $37.75 $29.02
    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Black) 414218B-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:
    354-414218B1
    Availability:
    In Stock - Ships same or next business day.
    Description:
    304 Stainless Steel
    Finish:
    Black
    A:
    18"
    $37.75 $29.02
  • Sea-Dog Line Wiper Blade Straight Blade Style Arm (Silver) 414212S-1

    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Silver) 414212S-1

    SEA-DOG LINE

    $31.75 $24.80
    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Silver) 414212S-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:
    354-414212S1
    Availability:
    In Stock - Ships same or next business day.
    Description:
    304 Stainless Steel
    Finish:
    Silver
    A:
    11-1/2"
    $31.75 $24.80
  • Sea-Dog Line Wiper Blade Straight Blade Style Arm (Silver) 414222S-1

    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Silver) 414222S-1

    SEA-DOG LINE

    $54.75 $41.54
    Sea-Dog Line Wiper Blade Straight Blade Style Arm (Silver) 414222S-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:
    354-414222S1
    Availability:
    In Stock - Ships same or next business day.
    Finish:
    Silver
    Length:
    22"
    $54.75 $41.54
  • Sold Out, please call for ETA.
    Sea-Dog Line Wire Lead with 90 Con 12 16Ga 2 429326-1

    Sea-Dog Line Wire Lead with 90 Con 12 16Ga 2 429326-1

    SEA-DOG LINE

    $9.50 $1.30
    Sea-Dog Line Wire Lead with 90 Con 12 16Ga 2 429326-1Leads have one red and one black 12" lead with right angle .250" push-on connector and one .250" male spade connector. Tin plated copper/injection molded nylon.
    Part Number:
    354-4293261
    Availability:
    In Stock - Ships same or next business day.
    Description:
    16 Gauge
    Length:
    12"
  • Sea-Dog Line Zinc Plated Steel Safety Chain 752010-1

    Sea-Dog Line Zinc Plated Steel Safety Chain 752010-1

    SEA-DOG LINE

    $32.95 $27.83
    Sea-Dog Line Zinc Plated Steel Safety Chain 752010-1Zinc plated steel. Use between trailer and vehicle to prevent separation if trailer inadvertently comes off trailer ball. Has S-hooks on both ends.
    Part Number:
    354-7520101
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1/4" x 44-1/2" L
    Receiver:
    Class II
    Max Load:
    3500 lbs.
    $32.95 $27.83
  • Seachoice 1.98 Bearing Protector W/Cover 51501

    Seachoice 1.98 Bearing Protector W/Cover 51501

    Seachoice

    $24.15 $16.97
    Seachoice 1.98 Bearing Protector W/Cover 51501 Triple chrome plated housingAll stainless steel internal partsAvoids bearing corrosion by preventing intrusion of water and dirtContinuous bearing protection and lubrication by means of grease fitting for...
    Part Number:
    50-51501
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1.980"
    Pack:
    1 pr.
    $24.15 $16.97
  • Seachoice 1/0 Copper Strght Post Top Neg 50-63561

    Seachoice 1/0 Copper Strght Post Top Neg 50-63561

    Seachoice

    $9.99 $7.93
    Seachoice 1/0 Copper Strght Post Top Neg 50-63561 Environmentally friendly, 100% copper battery terminalThe post top design is manufactured with the highest quality C11000 ETP copper and is completely lead free and RoHS compliant – making it exempt from...
    Part Number:
    50-63561
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Negative
    Cable Size:
    36526
    Material:
    Copper
    $9.99 $7.93
  • Seachoice 1/0 Copper Strght Post Top Pos 50-63571

    Seachoice 1/0 Copper Strght Post Top Pos 50-63571

    Seachoice

    $9.99 $7.93
    Seachoice 1/0 Copper Strght Post Top Pos 50-63571 Environmentally friendly, 100% copper battery terminalThe post top design is manufactured with the highest quality C11000 ETP copper and is completely lead free and RoHS compliant – making it exempt from...
    Part Number:
    50-63571
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Positive
    Cable Size:
    36526
    Material:
    Copper
    $9.99 $7.93

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.