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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 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 Mooring Snubber-3/8 561512

    Sea-Dog Line Mooring Snubber-3/8 561512

    SEA-DOG LINE

    $32.99 $26.99
    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...
    Part Number:
    354-561512
    Availability:
    In Stock - Ships same or next business day.
    A:
    17-1/8"
    B:
    3/8"
    $32.99 $26.99
  • 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 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 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 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 Whistle-Orange Plastic 46011

    Seachoice Whistle-Orange Plastic 46011

    Seachoice

    $3.99 $3.49
    Seachoice Whistle-Orange Plastic 46011 Meets USCG requirements as a signal device • Perfect for attachment to life vest as a signal whistleLanyard included. • 46010: Sold in bulkMinimum quantity of 100.
    Part Number:
    50-46011
    Availability:
    In Stock - Ships same or next business day.
    Pkg.:
    Card
    Pack:
    1
    $3.99 $3.49
  • 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 Ignitn Switch 16Awg 3Pos Mgnto Mp41070-2

    Sierra Ignitn Switch 16Awg 3Pos Mgnto Mp41070-2

    Sierra

    $40.49 $31.99
    Sierra Ignitn Switch 16Awg 3Pos Mgnto Mp41070-2All amperage ratings are at 12V DC.Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder lock and contact plate.Brass Switches: Traditional...
    Part Number:
    11-MP410702
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Magneto
    Material:
    Polyester
    Max Panel Thickness:
    5/8"
    Terminals:
    6 Wire
    Boot:
    No
    Mtg Hole:
    7/8"
    $40.49 $31.99
  • 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
  • Starbrite Dip-It Whip-It Red 4 Oz 84905

    Starbrite Dip-It Whip-It Red 4 Oz 84905

    Starbrite

    $15.49 $11.55
    Starbrite Dip-It Whip-It Red 4 Oz 84905 • Prevents unraveling, forms a permanent and flexible coating, is excellent for manila, nylon and poly ropes• Whips any thickness rope end
    Part Number:
    74-84905
    Availability:
    In Stock - Ships same or next business day.
    Size:
    4 oz.
    Color:
    Red
    $15.49 $11.55

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.