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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sold Out, please call for ETA.
    Sea-Dog Line Anchor Line Wh 1/2" x 100' 1/Pk 301112100Wh-1

    Sea-Dog Line Anchor Line Wh 1/2" x 100' 1/Pk 301112100Wh-1

    SEA-DOG LINE

    $76.00 $22.10
    Sea-Dog Line Anchor Line Wh 1/2" x 100' 1/Pk 301112100Wh-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:
    354-301112100WH1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    A (Dia.):
    1/2"
    B (Length):
    100'
    WLL-kgs/lbs:
    415/915
    B.S.-kgs/lbs:
    2080/4200
  • Sea-Dog Line Anchor Line Wh 3/8" x 150' 1/Pk 301110150Wh-1

    Sea-Dog Line Anchor Line Wh 3/8" x 150' 1/Pk 301110150Wh-1

    SEA-DOG LINE

    $84.00 $81.79
    Sea-Dog Line Anchor Line Wh 3/8" x 150' 1/Pk 301110150Wh-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:
    354-301110150WH1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    A (Dia.):
    3/8"
    B (Length):
    150'
    WLL-kgs/lbs:
    370/815
    B.S.-kgs/lbs:
    1850/3750
    $84.00 $81.79
  • Sea-Dog Line Bakelite Fuse/Terminal Block - 420544-1

    Sea-Dog Line Bakelite Fuse/Terminal Block - 420544-1

    SEA-DOG LINE

    $24.95 $20.44
    Sea-Dog Line Bakelite Fuse/Terminal Block - 420544-1Combination multiple gang fuse/terminal blocks. Can be used with 1/4" x 1-1/4" fuses for circuit distribution and also features separate grounding terminal bar. Fuses not included.
    Part Number:
    354-4205441
    Availability:
    In Stock - Ships same or next business day.
    Gang:
    4
    Fuse:
    3AG/AGC/SFE
    Size:
    3" x 3-5/16"
    $24.95 $20.44
  • Sea-Dog Line Bakelite Fuse/Terminal Block 420546-1

    Sea-Dog Line Bakelite Fuse/Terminal Block 420546-1

    SEA-DOG LINE

    $33.95 $27.13
    Sea-Dog Line Bakelite Fuse/Terminal Block 420546-1Combination multiple gang fuse/terminal blocks. Can be used with 1/4" x 1-1/4" fuses for circuit distribution and also features separate grounding terminal bar. Fuses not included.
    Part Number:
    354-4205461
    Availability:
    In Stock - Ships same or next business day.
    Gang:
    6
    Fuse:
    3AG/AGC/SFE
    Size:
    4-1/2" x 3-5/16"
    $33.95 $27.13
  • Sea-Dog Line Bell Chrome 6" 455001

    Sea-Dog Line Bell Chrome 6" 455001

    SEA-DOG LINE

    $99.95 $74.16
    Sea-Dog Line Bell Chrome 6" 455001Improved cast brass, not "Spun Brass". Meets Coast Guard, ABYC and NMMA requirements. Mounting bracket included.
    Part Number:
    354-455001
    Availability:
    In Stock - Ships same or next business day.
    Size:
    6"
    Finish:
    Chrome Brass
    $99.95 $74.16
  • Sea-Dog Line Boathook Mooring Cover Support Crown Straps 491115-1

    Sea-Dog Line Boathook Mooring Cover Support Crown Straps 491115-1

    SEA-DOG LINE

    $35.75 $27.56
    Sea-Dog Line Boathook Mooring Cover Support Crown Straps 491115-1 This Mooring Cover Support Crown fits the tip of all Sea-Dog® Boat Hooks or universal/Acme threaded devices. The crown supports a mooring cover or canvas top preventing water from...
    Part Number:
    354-4911151
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Strap Kit Only (w/3ea 15' Straps)
    $35.75 $27.56
  • Sea-Dog Line Bow Roller 1-3/4 x 2-1/2 328059-1

    Sea-Dog Line Bow Roller 1-3/4 x 2-1/2 328059-1

    SEA-DOG LINE

    $18.95 $18.23
    Sea-Dog Line Bow Roller 1-3/4 x 2-1/2 328059-1 These Replacement Bow Roller Wheels are constructed of natural rubber and feature a brass insert for added strength.  
    Part Number:
    354-3280591
    Availability:
    In Stock - Ships same or next business day.
    A:
    1-3/4"
    B:
    2-1/2"
    C:
    7/16"
    $18.95 $18.23
  • Sea-Dog Line Brass 4-Position Key Switch 420356-1

    Sea-Dog Line Brass 4-Position Key Switch 420356-1

    SEA-DOG LINE

    $41.25 $34.53
    Sea-Dog Line Brass 4-Position Key Switch 420356-1Stamped brass. Functions: Acc.-Off-Ignition-Start. Rated: Ignition 15 Amp @ 12VDC, Solenoid 30 Amp @ 12VDC, Accessory 15 Amp @ 12VDC.
    Part Number:
    354-4203561
    Availability:
    In Stock - Ships same or next business day.
    Panel:
    1-1/8" Max
    Terminals:
    4 Screws
    Boot:
    No
    Shaft:
    Long
    $41.25 $34.53
  • Sea-Dog Line Brass Bell-8 Inch 455720

    Sea-Dog Line Brass Bell-8 Inch 455720

    SEA-DOG LINE

    $159.00 $115.85
    Sea-Dog Line Brass Bell-8 Inch 455720Improved cast brass, not "Spun Brass". Meets Coast Guard, ABYC and NMMA requirements. Mounting bracket included.
    Part Number:
    354-455720
    Availability:
    In Stock - Ships same or next business day.
    Size:
    8"
    Finish:
    Brass
    $159.00 $115.85
  • Sea-Dog Line Brass Three Position Switch(On 420410-1

    Sea-Dog Line Brass Three Position Switch(On 420410-1

    SEA-DOG LINE

    $28.25 $22.31
    Sea-Dog Line Brass Three Position Switch(On 420410-1One circuit, normally off, three position: Off/On/On. When pulled to the first position, the first circuit is activated. At the second position, both the first and the second circuit are both activated...
    Part Number:
    354-4204101
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    Off/On/On
    Type:
    SPDT
    Terminals:
    3 Screw
    Shaft:
    3/8" x 1"
    $28.25 $22.31
  • Sea-Dog Line Bronze Ribbed Horn Oarlock-2 I 5805701

    Sea-Dog Line Bronze Ribbed Horn Oarlock-2 I 5805701

    SEA-DOG LINE

    $51.55 $39.99
    Sea-Dog Line Bronze Ribbed Horn Oarlock-2 I 5805701 Oarlock Mounts include polyethylene inserts for smooth rotation.
    Part Number:
    354-5805701
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Ribbed 2"
    Material:
    Brass
    Shank:
    2-1/8" L x 1/2" OD
    Pack:
    1 pr.
    $51.55 $39.99
  • Sea-Dog Line Bronze Side Mount Oarlock Sock 5806101

    Sea-Dog Line Bronze Side Mount Oarlock Sock 5806101

    SEA-DOG LINE

    $41.45 $31.99
    Sea-Dog Line Bronze Side Mount Oarlock Sock 5806101 Oarlock Mounts include polyethylene inserts for smooth rotation.
    Part Number:
    354-5806101
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Side Mount
    Material:
    Brass
    Shank:
    3-3/4" L x 1/2" OD
    Pack:
    1 pr.
    $41.45 $31.99
  • Sea-Dog Line Canvas Snap Cap and Socket 6/Pk 299109-1

    Sea-Dog Line Canvas Snap Cap and Socket 6/Pk 299109-1

    SEA-DOG LINE

    $6.80 $6.41
    Sea-Dog Line Canvas Snap Cap and Socket 6/Pk 299109-1 Nickel plated brass canvas fasteners. Excellent snap action and holding strength. Easy Installation.  
    Part Number:
    354-2991091
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Nickel Plated Brass
    Size:
    5/16"
    $6.80 $6.41
  • Sea-Dog Line Chrome Brass Manual Windshield Wiper 412601-1

    Sea-Dog Line Chrome Brass Manual Windshield Wiper 412601-1

    SEA-DOG LINE

    $66.95 $55.27
    Sea-Dog Line Chrome Brass Manual Windshield Wiper 412601-1 Manual Windshield Wiper includes an 8”-12” adjustable wiper arm (410051) and 11” blade (411151). This hand operated wiper is an economical alternative to traditional wiper...
    Part Number:
    354-4126011
    Availability:
    In Stock - Ships same or next business day.
    A:
    8"
    B:
    12"
    C:
    7/16"
    D:
    15/16"
    $66.95 $55.27
  • Sea-Dog Line Chrome Plastic LED Dome Light 4" Day/Night - Clear/Red Bulb 401755-1

    Sea-Dog Line Chrome Plastic LED Dome Light 4" Day/Night - Clear/Red Bulb 401755-1

    SEA-DOG LINE

    $62.95 $54.47
    Sea-Dog Line LED Day/Night Dome Light (Chrome) 401755-1 These vibration resistant LED Day/Night Dome Lights are prewired with an on/off/on rocker switch and feature two separate light circuits. One circuit uses a clear bulb and the other circuit uses a...
    Part Number:
    354-4017551
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Chrome
    A:
    4"
    B:
    5-3/4"
    C:
    1-5/8"
    Volts:
    12
    $62.95 $54.47
  • Sea-Dog Line Chrome Zinc Top Slide 276160-1

    Sea-Dog Line Chrome Zinc Top Slide 276160-1

    SEA-DOG LINE

    $22.00 $17.02
    Sea-Dog Line Chrome Zinc Top Slide 276160-1 These Bimini Fittings are for use in Bimini top applications. Top fittings can be attached to railing with set screws or pop riveted using stainless or aluminum rivets. Set screws included with display packed...
    Part Number:
    354-2761601
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Die Cast Zinc Chrome Plated
    Tube O.D.:
    7/8"
    Pin:
    1/4"
    $22.00 $17.02
  • Sea-Dog Line Compact Dual Trumpet Horn 431620-1

    Sea-Dog Line Compact Dual Trumpet Horn 431620-1

    SEA-DOG LINE

    $175.00 $146.76
    Sea-Dog Line Compact Dual Trumpet Horn 431620-1Stamped 304 Stainless steel.Meets ABYC standard A-23, for use on vessels under 39'.
    Part Number:
    354-4316201
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Dual Trumpet
    Size:
    16" L x 7-1/2" W
    Rating:
    112 db
    Volts:
    12
    $175.00 $146.76

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.