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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Garmin 16" Protective Cover - Plastic 010-12799-02

    Garmin 16" Protective Cover - Plastic 010-12799-02

    Garmin

    $34.99
    16" Protective Cover - Plastic Keep your compatible GPSMAP device safe from the harsh marine environment, when not in use, with this plastic protective cover.   WARNING: This product can expose you to chemicals which are known to the State of...
    Part Number:
    CW-75149
    $34.99
  • Seachoice Chrome Brass Drink Holder 79471

    Seachoice Chrome Brass Drink Holder 79471

    Seachoice

    $14.99 $13.99
    Seachoice Chrome Brass Drink Holder 79471 Beverage holder with foam thermal insulator and two mounting bracketsSwings freely to prevent spills and is easily detachableFasten with #8 screws (supplied).
    Part Number:
    50-79471
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Chrome Plated Brass
    $14.99 $13.99
  • Seachoice Rod Holder-Side Mount-Poly-White 89421

    Seachoice Rod Holder-Side Mount-Poly-White 89421

    Seachoice

    $11.42 $10.99
    Seachoice Rod Holder-Side Mount-Poly-White 89421 Made of high density polyurethaneAccommodates standard rod grip sizes up to 1-3/4" (4.4 cm)Mounting spacers are permanently attachedFasteners includedUV Resistant.
    Part Number:
    50-89421
    Availability:
    In Stock - Ships same or next business day.
    Size:
    12" L x 1-3/4" ID
    Color:
    White
    $11.42 $10.99
  • Seachoice Spare Locking Pin-1/4 52091

    Seachoice Spare Locking Pin-1/4 52091

    Seachoice

    $3.99 $2.27
    Seachoice Spare Locking Pin-1/4 52091 Keeps coupler release handle from disengaging while in travelWill not prevent theft.
    Part Number:
    50-52091
    Availability:
    In Stock - Ships same or next business day.
    Pin:
    1/4"
    Fits:
    1-3/4" coupler
    $3.99 $2.27
  • Seachoice Twisted Dock Line - White with Blue Tracer

    Seachoice Twisted Dock Line - White with Blue Tracer

    Seachoice

    $9.29 $7.07
    Seachoice White Dock Line with Blue Tracer Extremely strong rope Designed to absorb sudden shock loads Very good resistance to abrasion, rot, oils, gasoline and marine growth Clamshell packed White with contrasting blue tracer
    Part Number:
    seachoice-dockline-tracer
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White/Blue Tracer
    $9.29 $7.07
  • Taylor Tidy-Ups Large Fender Adjuster- White 1018

    Taylor Tidy-Ups Large Fender Adjuster- White 1018

    Taylor

    $27.39 $19.95
    Taylor Tidy-Ups Large Fender Adjuster- White  1018Vinyl fender adjusters simply snap over lifelines or railings and are ready to use.
    Part Number:
    32-1018
    Availability:
    In Stock - Ships same or next business day.
    Line Size:
    Up to 5/8"
    Fits:
    Large Rail
    Color:
    White
    $27.39 $19.95
  • Perko Sidelights 12V Base Down Pr/Cd 1601Dp0Black

    Perko Sidelights 12V Base Down Pr/Cd 1601Dp0Black

    Perko

    $106.79 $81.82
    Perko Sidelights 12V Base Down Pr/Cd 1601Dp0BlackUSCG certified for use on sail or power driven vessels under 12 meters. 1-mile visibility. Great for Pontoons. Black plastic with red and green lenses. Screw size: #8. Sold in pairs.
    Part Number:
    9-1601DP0BLK
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Base Down Mount
    Size:
    1-1/8 x 3" base x 1-1/4"H
    $106.79 $81.82
  • Sea-Dog Line Safety Kill Switch Ignition 420487-1

    Sea-Dog Line Safety Kill Switch Ignition 420487-1

    SEA-DOG LINE

    $22.25 $18.99
    Sea-Dog Line Safety Kill Switch Ignition 420487-1 Made of stamped brass and molded nylon. Circuit is normally closed (complete) with lanyard clip in place on switch. When lanyard is pulled and clip is removed from switch, circuit is open (not complete),...
    Part Number:
    354-4204871
    Availability:
    In Stock - Ships same or next business day.
    A:
    5/8"
    B:
    5/8"
    $22.25 $18.99
  • Seachoice Chrome Adjustable Drink Holder 79411

    Seachoice Chrome Adjustable Drink Holder 79411

    Seachoice

    $15.99 $13.99
    Seachoice Chrome Adjustable Drink Holder 79411 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:
    50-79411
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Chrome Plated
    $15.99 $13.99
  • Seachoice Square U 1/2-13 x 3-1/16 x 5-5/16 Bulk 57460

    Seachoice Square U 1/2-13 x 3-1/16 x 5-5/16 Bulk 57460

    Seachoice

    $9.39 $6.93
    Seachoice Square U 1/2-13 x 3-1/16 x 5-5/16 Bulk 57460 Made of galvanized steelInclude nuts and lock washersCovers most U-Bolt applicationsOne per card or in bulk.
    Part Number:
    50-57460
    Availability:
    In Stock - Ships same or next business day.
    Thread:
    1/2"-13
    A:
    3-1/16"
    B:
    5-5/16"
    C:
    2"
    Type:
    SQ
    For:
    -
    $9.39 $6.93
  • Shurflo Piranha Livewell Pump 800gph 357-113-10

    Shurflo Piranha Livewell Pump 800gph 357-113-10

    Shurflo

    $106.29 $67.99
    Shurflo Piranha Livewell Pump 800gph 357-113-10 These submersible pumps feature a tough, high-density nylon housing and heavy duty, water cooled, removable motor cartridge for excellent reliability and easy servicing. The dual port fitting allows for...
    Part Number:
    275-35711310
    Availability:
    In Stock - Ships same or next business day.
    GPH:
    800
    Inlet:
    3/4"
    Outlet:
    3/4"
    Volts:
    12
    Amps:
    4.5
    $106.29 $67.99
  • Sierra 1/2 Boot Nut For Tip Light Mp39220

    Sierra 1/2 Boot Nut For Tip Light Mp39220

    Sierra

    $10.19 $8.66
    Sierra 1/2 Boot Nut For Tip Light Mp39220All boots fit 15/32'' mounting stems. MP 39220 works with illuminated switches (except duckbill) where handle sticks out through the boot for visibility. All other boots fit toggle up to 1-1/4'' long. Seals out...
    Part Number:
    11-MP39220
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Black
    $10.19 $8.66
  • Sierra Ignition Switch 3-Position Mp39770

    Sierra Ignition Switch 3-Position Mp39770

    Sierra

    $30.69 $27.99
    Sierra Ignition Switch 3-Position Mp39770All 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 corrosion...
    Part Number:
    11-MP39770
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Conventional
    Material:
    Polyester
    Max Panel Thickness:
    1-1/8"
    Terminals:
    3 Blade
    Boot:
    Yes
    Mtg Hole:
    7/8"
    $30.69 $27.99
  • Attwood Marine 12" x 12 Corner Dock Fender 93531-1

    Attwood Marine 12" x 12 Corner Dock Fender 93531-1

    Attwood Marine

    $24.99 $16.23
    Attwood Marine 12" x 12 Corner Dock Fender 93531-1 Molded from a lightweight polymeric material that is soft to the touch, easy on hulls, and resistant to UV, chalking, splitting, and crushing. Sold in a display carton Guaranteed for life
    Part Number:
    23-935311
    Availability:
    In Stock - Ships same or next business day.
    Description:
    90 Deg - Corner
    Size:
    11-3/4 x 11-3/4 x 4-1/2"
    Mount:
    4 holes: 5/16"
    Pack:
    Bulk
    $24.99 $16.23
  • Sold Out, please call for ETA.
    Sea-Dog Line Deck Mount Bow Socket 327410-1

    Sea-Dog Line Deck Mount Bow Socket 327410-1

    SEA-DOG LINE

    $5.01
    Sea-Dog Line Deck Mount Bow Socket 327410-1 These Deck Mount Bow Sockets are used in conjunction with battens to assemble a rounded support structure for a boat cover. Part of a system to disperse rain water to avoid water from accumulating in the center...
    Part Number:
    354-3274101
    Availability:
    In Stock - Ships same or next business day.
    Color:
    White Injection Molded Nylon
    A:
    7/16"
    B:
    2"
    C:
    1-5/8"

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.