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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sea-Dog Line Deluxe LED Courtesy Light-Large (White) 401420-1

    Sea-Dog Line Deluxe LED Courtesy Light-Large (White) 401420-1

    SEA-DOG LINE

    $59.95 $43.03
    Sea-Dog Line Deluxe LED Courtesy Light-Large (White) 401420-1 These Large Deluxe LED Courtesy Lights are available with outward or downward directed light. Feature 3 low amp, long life blue or white LEDs with a 60 or 24 lumen output. Constructed of a...
    Part Number:
    354-4014201
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Plastic/Investment Cast 316 Stainless Steel
    Type:
    Down
    LED Color:
    White
    A:
    3-15/16"
    B:
    11/16"
    C:
    7/16"
    Volts:
    9-28
    Lumens:
    60
    $59.95 $43.03
  • Sea-Dog Line Fender Line 1/4" x 6' Pr Navy 302106006Nv-1

    Sea-Dog Line Fender Line 1/4" x 6' Pr Navy 302106006Nv-1

    SEA-DOG LINE

    $7.10 $6.84
    Sea-Dog Line Fender Line 1/4" x 6' Pr Navy 302106006Nv-1100% premium double braided nylonProfessional double braided nylon spliceYacht whipped at bitter end and splice point1/4" lines have a 2" eye, 3/8" lines have a 3" eyeSold in pairs
    Part Number:
    354-302106006NV1
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1/4" × 6'
    Color:
    Navy
    Eye:
    2"
    Pack:
    2
    $7.10 $6.84
  • Sea-Dog Line Flagpole 17" Stainless 327122-1

    Sea-Dog Line Flagpole 17" Stainless 327122-1

    SEA-DOG LINE

    $33.95 $29.99
    Sea-Dog Line Flagpole 17" Stainless 327122-1 Made of highly polished, heavy wall stainless steel tubing. The flag is attached to the flagpole using nylon pennant mounts with stainless steel spring wire quick release clips which are designed to hold...
    Part Number:
    354-3271221
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    7/8"-1" rails
    Length:
    17"
    $33.95 $29.99
  • Sea-Dog Line LED Flush Mount Oval Courtesy Light -White 401275-1

    Sea-Dog Line LED Flush Mount Oval Courtesy Light -White 401275-1

    SEA-DOG LINE

    $25.95 $20.46
    Sea-Dog Line LED Flush Mount Oval Courtesy Light -White 401275-1 These LED Flush Mount Oval Courtesy Lights feature a special lens design that aims the light downward while the stainless steel cover focuses the light, preventing it from projecting...
    Part Number:
    354-4012751
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Oval Plastic/Stamped Stainless Steel
    LED Color:
    White
    A:
    2-1/2"
    B:
    1-1/4"
    C:
    1-1/8"
    Lumens:
    10
    Stainless Cover:
    Yes
    $25.95 $20.46
  • Sea-Dog Line Polarized Electrical Connector 426234-1

    Sea-Dog Line Polarized Electrical Connector 426234-1

    SEA-DOG LINE

    $27.95 $23.55
    Sea-Dog Line Polarized Electrical Connector 426234-1As a safety feature, 4 polarized pins are sized to be connected in only one way. Machined Brass/Injection Molded Thermo Plastic.
    Part Number:
    354-4262341
    Availability:
    In Stock - Ships same or next business day.
    Fastener:
    #6 RH
    A:
    2-1/16"
    B:
    1-7/8"
    Pins:
    4
    Amps:
    5
    $27.95 $23.55
  • Sea-Dog Line Single Mini Compact Horn 431115-1

    Sea-Dog Line Single Mini Compact Horn 431115-1

    SEA-DOG LINE

    $63.99 $52.99
    Sea-Dog Line Single Mini Compact Horn 431115-1 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:
    354-4311151
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Single
    Size:
    3-5/16" × 3-5/8"
    Rating:
    108 db
    Volts:
    12
    $63.99 $52.99
  • Sea-Dog Line Single Wing Latch 324140-1

    Sea-Dog Line Single Wing Latch 324140-1

    SEA-DOG LINE

    $4.45
    Sea-Dog Line Single Wing Latch 324140-1 These Windshield Latches are used to secure windshield doors with a simple twist design. Prevents rattling due to engine vibration at high speeds. Constructed of UV resistant black injection molded nylon.  
    Part Number:
    354-3241401
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Injection Molded Nylon
    A:
    1-9/16"
    B:
    13/16'
    C:
    3/16"
    D:
    5/16"
    $4.45
  • Sea-Dog Line Synchronized Wiper Control 414800-3

    Sea-Dog Line Synchronized Wiper Control 414800-3

    SEA-DOG LINE

    $273.00 $220.42
    Sea-Dog Line Synchronized Wiper Control 414800-3 Synchronized Wiper Control will sync up to three motors and adds an interval speed position to the traditional two-speed motor. One short push takes the motors from interval (5 seconds), to slow (35...
    Part Number:
    354-4148003
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Powder Coated Aluminum/Stainless Steel
    A:
    13/16"
    B:
    1-7/16"
    C:
    4-7/16"
    D:
    4-3/8"
    E:
    1-5/16"
    Volts:
    12
    $273.00 $220.42
  • Seachoice Bimini Top Strap To 96 -Black 78811

    Seachoice Bimini Top Strap To 96 -Black 78811

    Seachoice

    $14.67 $12.99
    Seachoice Bimini Top Strap To 96 -Black 78811 1" nylon webbingRing, snap, and buckle are corrosion resistantGreat for most size Biminis and awnings.
    Part Number:
    50-78811
    Availability:
    In Stock - Ships same or next business day.
    Length:
    To 96"
    Color:
    Black
    Pack:
    1 pr.
    $14.67 $12.99
  • Seachoice Int Eye End - 3/4 - Black 76011

    Seachoice Int Eye End - 3/4 - Black 76011

    Seachoice

    $4.59 $4.09
    Seachoice Int Eye End - 3/4 - Black 76011 Manufactured from high impact, super tough nylonOffers superior performance.
    Part Number:
    50-76011
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black
    Fits:
    3/4" OD Tube
    Pack:
    1 pr.
    $4.59 $4.09
  • Seachoice Mexico Flag 12 x 18 78271

    Seachoice Mexico Flag 12 x 18 78271

    Seachoice

    $10.29 $6.89
    Seachoice Mexico Flag 12 x 18 78271 Print-dyed nylon body • Canvas header • Brass grommets
    Part Number:
    50-78271
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Mexico
    Size:
    12" x 18"
    $10.29 $6.89
  • Seachoice Rod Holder-Side Mount-Pvc 89321

    Seachoice Rod Holder-Side Mount-Pvc 89321

    Seachoice

    $11.99 $8.51
    Seachoice Rod Holder-Side Mount-Pvc 89321 Excellent for where a flush mount holder cannot be installed.
    Part Number:
    50-89321
    Availability:
    In Stock - Ships same or next business day.
    Description:
    PVC tube and Poly brackets
    Size:
    8-3/4" L x 1-3/4" W
    $11.99 $8.51
  • Seachoice Rubber Storage Clip 2/Pk 72051

    Seachoice Rubber Storage Clip 2/Pk 72051

    Seachoice

    $8.52 $7.99
    Seachoice Rubber Storage Clip 2/Pk 72051 Perfect solution for storing pole lights, boat hooks, gaffs, boat mops, etcMade of molded black rubber, these clips will accommodate diameters of 3/4" to 1".
    Part Number:
    50-72051
    Availability:
    In Stock - Ships same or next business day.
    Size:
    2" x 1-5/8"
    Pack:
    1 pr.
    $8.52 $7.99
  • Seachoice Throw Cushion Foam White 5000White-44920

    Seachoice Throw Cushion Foam White 5000White-44920

    Seachoice

    $17.99 $15.56
    Seachoice Throw Cushion Foam White 5000White-44920 Type IV PFD Fully U.SCoast Guard Approved • Designed to be thrown to someone who has fallen overboardPE foam filling.
    Part Number:
    50-44920
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White
    Size:
    15" x 15"
    $17.99 $15.56
  • Sierra Ato Fuse Panel 4-Gang Fs40430

    Sierra Ato Fuse Panel 4-Gang Fs40430

    Sierra

    $33.49 $23.22
    Sierra Ato Fuse Panel 4-Gang Fs40430For ATO/ATC fuses Interlocking modules snap together 1/4" tin plated copper tab terminals Rated 30 Amp per circuit; 160 amp max for block
    Part Number:
    11-FS40430
    Availability:
    In Stock - Ships same or next business day.
    Gang:
    4
    Fuse:
    ATO/ATC
    Neg Bus:
    Yes
    Size:
    3-1/2" x 3-1/4"
    $33.49 $23.22
  • Sierra Switch Contura 3 ON-OFF Il SPST B-G Rk19700Tp

    Sierra Switch Contura 3 ON-OFF Il SPST B-G Rk19700Tp

    Sierra

    $18.79 $14.38
    Sierra Switch Contura 3 ON-OFF Il SPST B-G Rk19700TpNon-corrosive plastic constructionProtects against dust and prolonged spray to IP66 and IP68 standardsMeets UL 1500; ISO 8846 ignition protection requirementsSupplied with neoprene mounting...
    Part Number:
    11-RK19700TP
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off
    Color:
    Gray & Black
    Type:
    SPST
    Terminals:
    3 Blade
    $18.79 $14.38
  • Sierra Toggle Switch On Off Tg40300

    Sierra Toggle Switch On Off Tg40300

    Sierra

    $18.49 $14.36
    Sierra Toggle Switch On Off Tg40300Lights through tip of handle. Non-corrosive plastic construction. Illuminates white when panel lights are ON; changes to red when switch is ON. Brass blade terminals; silver contacts. 15/32" L x 15/32" -32 mounting stem...
    Part Number:
    11-TG40300
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off
    Terminals:
    4 Blade
    Type:
    SPST
    Pkg.:
    Retail
    $18.49 $14.36

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.