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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Adjustable Pantographic Wiper Arm (Black) 413319-1

    Sea-Dog Line Adjustable Pantographic Wiper Arm (Black) 413319-1

    SEA-DOG LINE

    $113.00 $90.95
    Sea-Dog Line Adjustable Pantographic Wiper Arm (Black) 413319-1 Adjustable Pantographic Wiper Arm for use on standard MRV and heavy duty waterproof wiper motors with 5/8" shaft diameter. Compatible with 1.5”, 2.5” and 3.5” shaft lengths...
    Part Number:
    354-4133191
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Formed 304 Stainless Steel
    Finish:
    Black
    A:
    15"-19"
    Shaft Size:
    5/8"
    $113.00 $90.95
  • Sea-Dog Line Adjustable Pantographic Wiper Arm (Black) 413374B-1

    Sea-Dog Line Adjustable Pantographic Wiper Arm (Black) 413374B-1

    SEA-DOG LINE

    $117.95 $92.11
    Sea-Dog Line Adjustable Pantographic Wiper Arm (Black) 413374B-1 Adjustable J-Hook (automotive style) Pantograph Wiper Arm fits all standard MRV and heavy duty waterproof wiper motors with 5/8" shaft diameter. Compatible with 1.5”, 2.5” and...
    Part Number:
    354-413374B1
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Powder Coated 304 Stainless Steel
    Finish:
    Black
    A:
    19"-24"
    Shaft Size:
    5/8"
    $117.95 $92.11
  • Sea-Dog Line Adjustable Wiper Arm (Black) 413124B-1

    Sea-Dog Line Adjustable Wiper Arm (Black) 413124B-1

    SEA-DOG LINE

    $63.75 $46.60
    Sea-Dog Line Adjustable Wiper Arm (Black) 413124B-1 Adjustable Wiper Arm for use on MRV and heavy duty waterproof wiper motors with 5/8" shaft diameter. Compatible with 1.5”, 2.5” and 3.5” shaft lengths. Constructed of corrosion...
    Part Number:
    354-413124B1
    Availability:
    In Stock - Ships same or next business day.
    Finish:
    Black
    Shaft Size:
    5/8"
    A:
    17-15/16-24-1/4"
    $63.75 $46.60
  • Sea-Dog Line Adjustable Wiper Arm (Silver) 413111S-1

    Sea-Dog Line Adjustable Wiper Arm (Silver) 413111S-1

    SEA-DOG LINE

    $49.75 $36.63
    Sea-Dog Line Adjustable Wiper Arm (Silver) 413111S-1 Adjustable Wiper Arm for use on MRV and heavy duty waterproof wiper motors with 5/8" shaft diameter. Compatible with 1.5”, 2.5” and 3.5” shaft lengths. Constructed of corrosion...
    Part Number:
    354-413111S1
    Availability:
    In Stock - Ships same or next business day.
    Finish:
    Silver
    Shaft Size:
    5/8"
    A:
    8"-11-1/4"
    $49.75 $36.63
  • Sea-Dog Line Adjustable Wiper Arm Hook Style Adjustable Pivoting Tip (Black) 413274B-1

    Sea-Dog Line Adjustable Wiper Arm Hook Style Adjustable Pivoting Tip (Black) 413274B-1

    SEA-DOG LINE

    $56.95 $46.78
    Sea-Dog Line Adjustable Wiper Arm Hook Style Adjustable Pivoting Tip (Black) 413274B- Adjustable J-Hook (automotive style) Wiper Arm with Adjustable Pivoting Tip fits all standard MRV and heavy duty waterproof wiper motors with 5/8" shaft diameter...
    Part Number:
    354-413274B1
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Powder Coated 304 Stainless Steel
    Finish:
    Black
    A:
    19"-24"
    Shaft Size:
    5/8"
    $56.95 $46.78
  • Sea-Dog Line All Arnd Light 360 Dedled-2Nm 400042-1

    Sea-Dog Line All Arnd Light 360 Dedled-2Nm 400042-1

    SEA-DOG LINE

    $65.95 $49.92
    Sea-Dog Line All Arnd Light 360 Dedled-2Nm 400042-1Injection molded polycarbonate. 360°, all around lights are approved for USCG 2 NM. #12 RH fastener.
    Part Number:
    354-4000421
    Availability:
    In Stock - Ships same or next business day.
    A:
    4-5/16"
    B:
    1-1/8"
    C:
    2-1/4"
    $65.95 $49.92
  • Sea-Dog Line Aluminum Boat Hook 12'-3 Pc 491036-1

    Sea-Dog Line Aluminum Boat Hook 12'-3 Pc 491036-1

    SEA-DOG LINE

    $95.75 $76.39
    Sea-Dog Line Aluminum Boat Hook 12'-3 Pc 491036-1Sea-Dog boat hooks have rubber covered hook area and rubber tip and handle for extra grip. Remove hook tip to screw on brush. Injected molded nylon/aluminum.
    Part Number:
    354-4910361
    Availability:
    In Stock - Ships same or next business day.
    Description:
    3-Pc Adjustable
    Length:
    56" - 144"
    $95.75 $76.39
  • Sea-Dog Line Anchor Line Double Gold 1/2" x 100' 302112100G/W-1

    Sea-Dog Line Anchor Line Double Gold 1/2" x 100' 302112100G/W-1

    SEA-DOG LINE

    $125.00 $106.93
    Sea-Dog Line Anchor Line Double Gold 1/2" x 100' 302112100G/W-1100% premium double braided nylon anchor lines have excellent flexibility and stretch to absorb shock with a soft feel.Stainless steel thimbleProfessionally splicedYacht whipped at thimble...
    Part Number:
    354-302112100GW1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Gold/White
    Size:
    1/2" × 100'
    $125.00 $106.93
  • Sea-Dog Line Anchor Line Double Gold 3/8" x 100' 302110100G/W-1

    Sea-Dog Line Anchor Line Double Gold 3/8" x 100' 302110100G/W-1

    SEA-DOG LINE

    $62.80 $54.74
    Sea-Dog Line Anchor Line Double Gold 3/8" x 100' 302110100G/W-1100% premium double braided nylon anchor lines have excellent flexibility and stretch to absorb shock with a soft feel.Stainless steel thimbleProfessionally splicedYacht whipped at thimble...
    Part Number:
    354-302110100GW1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Gold/White
    Size:
    3/8" × 100'
    $62.80 $54.74
  • Sold Out, please call for ETA.
    Sea-Dog Line Anchor Line Wh 1/2" x 200' 1/Pk 301116200Wh-1

    Sea-Dog Line Anchor Line Wh 1/2" x 200' 1/Pk 301116200Wh-1

    SEA-DOG LINE

    $255.00 $33.80
    Sea-Dog Line Anchor Line Wh 1/2" x 200' 1/Pk 301116200Wh-1 Twisted Nylon Anchor Line 100% premium twisted three-strand nylon 316 Stainless steel thimble Excellent flexibility, stretches to absorb shock Medium lay with a soft feel 304 Stainless steel...
    Part Number:
    354-301116200WH1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    A (Dia.):
    5/8"
    B (Length):
    200'
    WLL-kgs/lbs:
    900/1980
    B.S.-kgs/lbs:
    4500/9100
  • Sea-Dog Line Anchor Line Wh 3/8" x 100' 1/Pk 301110100Wh-1

    Sea-Dog Line Anchor Line Wh 3/8" x 100' 1/Pk 301110100Wh-1

    SEA-DOG LINE

    $59.95 $59.90
    Sea-Dog Line Anchor Line Wh 3/8" x 100' 1/Pk 301110100Wh-1 Twisted Nylon Anchor Line 100% premium twisted three-strand nylon 316 Stainless steel thimble Excellent flexibility, stretches to absorb shock Medium lay with a soft feel 304 Stainless steel...
    Part Number:
    354-301110100WH1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    A (Dia.):
    3/8"
    B (Length):
    100'
    WLL-kgs/lbs:
    370/815
    B.S.-kgs/lbs:
    1850/3750
    $59.95 $59.90
  • Sold Out, please call for ETA.
    Sea-Dog Line Anchor Line Wh 3/8" x 60' 1/Pk 301110060Wh-1

    Sea-Dog Line Anchor Line Wh 3/8" x 60' 1/Pk 301110060Wh-1

    SEA-DOG LINE

    $31.45 $9.09
    Sea-Dog Line Anchor Line Wh 3/8" x 60' 1/Pk 301110060Wh-1 Twisted Nylon Anchor Line 100% premium twisted three-strand nylon 316 Stainless steel thimble Excellent flexibility, stretches to absorb shock Medium lay with a soft feel 304 Stainless steel...
    Part Number:
    354-301110060WH1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    A (Dia.):
    3/8"
    B (Length):
    60'
    WLL-kgs/lbs:
    370/815
    B.S.-kgs/lbs:
    1850/3750
  • Sold Out, please call for ETA.
    Sea-Dog Line Anchor Line White 1/2" x 200' 301112200Wh-1

    Sea-Dog Line Anchor Line White 1/2" x 200' 301112200Wh-1

    SEA-DOG LINE

    $142.75 $22.10
    Sea-Dog Line Anchor Line White 1/2" x 200' 301112200Wh-1 Twisted Nylon Anchor Line 100% premium twisted three-strand nylon 316 Stainless steel thimble Excellent flexibility, stretches to absorb shock Medium lay with a soft feel 304 Stainless steel...
    Part Number:
    354-301112200WH1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    A (Dia.):
    1/2"
    B (Length):
    200'
    WLL-kgs/lbs:
    415/915
    B.S.-kgs/lbs:
    2080/4200
  • Sea-Dog Line Anchor Shackle 1/2" Galvan- 147812-1

    Sea-Dog Line Anchor Shackle 1/2" Galvan- 147812-1

    SEA-DOG LINE

    $6.50 $6.05
    Sea-Dog Line Anchor Shackle 1/2" Galvan- 147812-1 With their rounded shape, Screw Pin Anchor Bow Shackles are designed for many different applications. Features a screw pin closure for quick removal, making them ideal for rigging applications where fast...
    Part Number:
    354-1478121
    Availability:
    In Stock - Ships same or next business day.
    A:
    9/16"
    B:
    13/16"
    C:
    1-5/16"
    D:
    1-5/16"
    $6.50 $6.05
  • Sold Out, please call for ETA.
    Sea-Dog Line Anchor Shackle 1/4 Galvanized 147806

    Sea-Dog Line Anchor Shackle 1/4 Galvanized 147806

    SEA-DOG LINE

    $1.30
    Sea-Dog Line Anchor Shackle 1/4 Galvanized 147806 With their rounded shape, Screw Pin Anchor Bow Shackles are designed for many different applications. Features a screw pin closure for quick removal, making them ideal for rigging applications where fast...
    Part Number:
    354-147806
    Availability:
    In Stock - Ships same or next business day.
    A:
    5/16"
    B:
    1/2"
    C:
    3/4"
    D:
    1-1/16"
  • Sea-Dog Line Anchor Shackle 147808-5

    Sea-Dog Line Anchor Shackle 147808-5

    SEA-DOG LINE

    $66.00 $60.16
    Sea-Dog Line Anchor Shackle 147808-5 With their rounded shape, Screw Pin Anchor Bow Shackles are designed for many different applications. Features a screw pin closure for quick removal, making them ideal for rigging applications where fast and/or...
    Part Number:
    354-1478085
    Availability:
    In Stock - Ships same or next business day.
    A:
    3/8"
    B:
    9/16"
    C:
    7/8"
    D:
    1-1/4"
    $66.00 $60.16
  • Sea-Dog Line Anchor Shackle 3/8 Glv Rated 147610

    Sea-Dog Line Anchor Shackle 3/8 Glv Rated 147610

    SEA-DOG LINE

    $12.43
    Sea-Dog Line Anchor Shackle 3/8 Glv Rated 147610 With their rounded shape, Screw Pin Anchor Bow Shackles are designed for many different applications. Features a screw pin closure for quick removal, making them ideal for rigging applications where fast...
    Part Number:
    354-147610
    Availability:
    In Stock - Ships same or next business day.
    A:
    7/16"
    B:
    11/16"
    C:
    1"
    D:
    1-7/16"
    WLL (In Tons):
    1
    $12.43
  • Sold Out, please call for ETA.
    Sea-Dog Line Anchor Shackle 5/16 Galvanized 147808

    Sea-Dog Line Anchor Shackle 5/16 Galvanized 147808

    SEA-DOG LINE

    $2.50
    Sea-Dog Line Anchor Shackle 5/16 Galvanized 147808 With their rounded shape, Screw Pin Anchor Bow Shackles are designed for many different applications. Features a screw pin closure for quick removal, making them ideal for rigging applications where fast...
    Part Number:
    354-147808
    Availability:
    In Stock - Ships same or next business day.
    A:
    3/8"
    B:
    9/16"
    C:
    7/8"
    D:
    1-1/4"

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.