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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Black Nylon Shock Cord Clip - 652081

    Sea-Dog Line Black Nylon Shock Cord Clip - 652081

    SEA-DOG LINE

    $1.98
    Sea-Dog Line Black Nylon Shock Cord Clip - 652081 Shock Cord Clips can be used with bulk shock cord to create custom tie-down lengths. Constructed of UV stabilized injection molded nylon.      
    Part Number:
    354-652081
    Availability:
    In Stock - Ships same or next business day.
    Line Size:
    5/16"
    Eye:
    7/16" dia.
    Color:
    Black
    Pkg.:
    Bulk
    $1.98
  • Sea-Dog Line Buss Bar-Brass Tin Plated/Abs 426710-1

    Sea-Dog Line Buss Bar-Brass Tin Plated/Abs 426710-1

    SEA-DOG LINE

    $22.25 $18.36
    Sea-Dog Line Buss Bar-Brass Tin Plated/Abs 426710-1Tin plated brass/ABS. Equipped with 2 each #10-24 studs for main wire connection. Maximum of 48 volts DC, 100 amps. Fastener #10 RH.
    Part Number:
    354-4267101
    Availability:
    In Stock - Ships same or next business day.
    Terminals:
    5 x #8-32
    A:
    4-3/16"
    B:
    7/8"
    C:
    15/16"
    D:
    3-7/16"
    $22.25 $18.36
  • Sea-Dog Line Contura Switch(Sp)Illuminate - 420211-1

    Sea-Dog Line Contura Switch(Sp)Illuminate - 420211-1

    SEA-DOG LINE

    $19.99
    Sea-Dog Line Contura Switch(Sp)Illuminate - 420211-1 Stamped brass/injection molded nylon & polycarbonate. Ignition protected, water resistant. Rated 20 amps @12 volt. On in parenthesis (On) indicates a momentary position.
    Part Number:
    354-4202111
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off
    Type:
    SPST
    Terminals:
    3 Blades
    $19.99
  • Sea-Dog Line Fender Line 1/4" x 6' Pr Black 302106006Bk-1

    Sea-Dog Line Fender Line 1/4" x 6' Pr Black 302106006Bk-1

    SEA-DOG LINE

    $6.95 $6.71
    Sea-Dog Line Fender Line 1/4" x 6' Pr Black 302106006Bk-1 Double Braided Fender Line 100% premium double braided nylon Professional double braided nylon splice Yacht whipped at bitter end and splice point Sold in pairs
    Part Number:
    354-302106006BK1
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black
    A (Dia.):
    1/4"
    B (Length):
    6'
    C (Eye Size):
    2"
    WLL-kgs/lbs:
    132/290
    B.S.-kgs/lbs:
    660/1330
    Pack:
    2
    $6.95 $6.71
  • Sea-Dog Line Mooring Snubber-3/8 561512

    Sea-Dog Line Mooring Snubber-3/8 561512

    SEA-DOG LINE

    $32.99 $25.62
    Sea-Dog Line Mooring Snubber-3/8 561512 Mooring Snubbers absorb shock loads and relieve tension on lines and deck fittings. The length of compensating movement can be adjusted by the number of line turns around the snubber, mitigating the effects of wind...
    Part Number:
    354-561512
    Availability:
    In Stock - Ships same or next business day.
    A:
    17-1/8"
    B:
    3/8"
    $32.99 $25.62
  • Sea-Dog Line Square Tube Top Insert 273580-1

    Sea-Dog Line Square Tube Top Insert 273580-1

    SEA-DOG LINE

    $5.36
    Sea-Dog Line Square Tube Top Insert 273580-1 Top Fittings create an attachment point and function as a pivot point as part of a Bimini top system. These fittings connect to tubing either as a Top Cap or Top Insert for 3/4” or 7/8” round...
    Part Number:
    354-2735801
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black Injection Molded Nylon
    Tube O.D.*:
    7/8" x 7/8" (inside)
    Pin Size:
    1/4"
    $5.36
  • Sold Out, please call for ETA.
    Sea-Dog Line Thimble Nylon Standard 1/4" 173551

    Sea-Dog Line Thimble Nylon Standard 1/4" 173551

    SEA-DOG LINE

    $1.00 $0.96
    Sea-Dog Line Thimble Nylon Standard 1/4" 173551 These Thimbles are used to protect 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 floating rope, pennants,...
    Part Number:
    354-173551
    Availability:
    In Stock - Ships same or next business day.
    A:
    1/4"
    B:
    9/16"
    C:
    1-9/16"
    Pkg.:
    Bulk
  • Seachoice Bahama Courtesy Flag 78241

    Seachoice Bahama Courtesy Flag 78241

    Seachoice

    $14.29 $9.71
    Seachoice Bahama Courtesy Flag 78241 Print-dyed nylon body • Canvas header • Brass grommets
    Part Number:
    50-78241
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Bahamas Courtesy
    Size:
    12" x 18"
    $14.29 $9.71
  • Seachoice Battery Tray-24 Series 22021

    Seachoice Battery Tray-24 Series 22021

    Seachoice

    $15.54 $11.53
    Seachoice Battery Tray-24 Series 22021 Meets USCG regulations for keeping batteries in placeComplete with stainless steel hold down rods, nuts & washers.
    Part Number:
    50-22021
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    Group 24
    Size:
    ID: 11" x 7-1/8" x 1-1/4"
    $15.54 $11.53
  • Seachoice Black Adjustable Drink Holder 79461

    Seachoice Black Adjustable Drink Holder 79461

    Seachoice

    $7.99 $6.15
    Seachoice Black Adjustable Drink Holder 79461 Made of fiberglass reinforced nylon with stainless steel springs and nickel plated brass rivetsAdjustable arms hold cans, glasses, insulated drink holders and bottlesFolds up neatly when not in use.
    Part Number:
    50-79461
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black
    $7.99 $6.15
  • Seachoice Deck Hinge W/Slide Lock-White 76281

    Seachoice Deck Hinge W/Slide Lock-White 76281

    Seachoice

    $10.19 $8.46
    Seachoice Deck Hinge W/Slide Lock-White 76281 76241, 76251, 76281, 76291: Manufactured from high impact, super tough nylonOffers superior performance. • 75861: Chrome Plated ZamakBase size: 3/4" x 2-1/4"Screw size:...
    Part Number:
    50-76281
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Plastic / White
    Feature:
    w/SS Slide Lock
    Pack:
    1 pr.
    $10.19 $8.46
  • Seachoice Jaw Slide-1 -Square Black 76361

    Seachoice Jaw Slide-1 -Square Black 76361

    Seachoice

    $8.54 $6.70
    Seachoice Jaw Slide-1 -Square Black 76361 Manufactured from high impact, super tough nylonCorrosion resistantUse on square tubing.
    Part Number:
    50-76361
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black
    Fits:
    1" OD tube
    Pack:
    1 pr.
    $8.54 $6.70
  • Seachoice LED Courtesy Interior Red 3111

    Seachoice LED Courtesy Interior Red 3111

    Seachoice

    $20.99 $14.95
    Seachoice LED Courtesy Interior Red 3111 12V4 LED lightsPre-drilled to accommodate #6 screws. •  3" Diax 5/8" DPacked with both chrome and white bezels.
    Part Number:
    50-03111
    Availability:
    In Stock - Ships same or next business day.
    Bezel:
    (1) Chrome
    (1) White
    LED Color:
    Red
    $20.99 $14.95
  • Seachoice LED Fold Down Pole Light - 24 2881

    Seachoice LED Fold Down Pole Light - 24 2881

    Seachoice

    $77.99 $46.89
    Seachoice LED Fold Down Pole Light - 24 2881 Meets USCG requirements for 2NM. • 360°, 6 LED lightsPre-drilled to accommodate #8 screws.
    Part Number:
    50-02881
    Availability:
    In Stock - Ships same or next business day.
    Height:
    24"
    $77.99 $46.89
  • Seachoice LED Mini Clearance W/Stud-Red Mcl95Rssch

    Seachoice LED Mini Clearance W/Stud-Red Mcl95Rssch

    Seachoice

    $13.99 $10.21
    Seachoice LED Mini Clearance W/Stud-Red Mcl95Rssch Meets the requirements of SAE/DOT/FMVSS/CMVSS standards when properly installed • Sonically sealed, waterproof • Polycarbonate lens and housing, plated steel...
    Part Number:
    50-52691
    Availability:
    In Stock - Ships same or next business day.
    Lens:
    Red
    $13.99 $10.21
  • Seachoice Mom Button Switch 2Pos-Poly 11751

    Seachoice Mom Button Switch 2Pos-Poly 11751

    Seachoice

    $15.99 $4.79
    Seachoice Mom Button Switch 2Pos-Poly 11751 2 Position: Off - Momentary OnNormally "Off" S.P.S.T. • Heavy duty6V - 36V DCNon-corrosive construction.11751: Momentary push button switchPolyester body and silver contacts with special moisture...
    Part Number:
    50-11751
    Availability:
    In Stock - Ships same or next business day.
    Max Panel Thickness:
    1"
    $15.99 $4.79
  • Seachoice Push-Pull Switch-3 Pos/2 Circ 11921

    Seachoice Push-Pull Switch-3 Pos/2 Circ 11921

    Seachoice

    $19.79 $14.99
    Seachoice Push-Pull Switch-3 Pos/2 Circ 11921 Heavy DutyAll push-pull switches have mounting stems: 1-1/4" L x 3/8" dia. • 11841: 2 Position: Off - OnOne circuitNormally "Off" S.P.S.TNon-corrosive constructionPlasticized body sealed...
    Part Number:
    50-11921
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    Off - On #1 - On #2
    Rating:
    25A @ 6VDC - 15A @ 12VDC
    Panel Thickness:
    1"
    $19.79 $14.99

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.