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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Seachoice 2/0 Copper Strght Post Top Pos 50-63591

    Seachoice 2/0 Copper Strght Post Top Pos 50-63591

    Seachoice

    $9.99 $7.93
    Seachoice 2/0 Copper Strght Post Top Pos 50-63591 Environmentally friendly, 100% copper battery terminalThe post top design is manufactured with the highest quality C11000 ETP copper and is completely lead free and RoHS compliant – making it exempt from...
    Part Number:
    50-63591
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Positive
    Cable Size:
    36557
    Material:
    Copper
    $9.99 $7.93
  • Seachoice 2/0 Copper Strght Top Neg 50-63581

    Seachoice 2/0 Copper Strght Top Neg 50-63581

    Seachoice

    $9.99 $7.93
    Seachoice 2/0 Copper Strght Top Neg 50-63581 Environmentally friendly, 100% copper battery terminalThe post top design is manufactured with the highest quality C11000 ETP copper and is completely lead free and RoHS compliant – making it exempt from CA...
    Part Number:
    50-63581
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Negative
    Cable Size:
    36557
    Material:
    Copper
    $9.99 $7.93
  • Seachoice 22-18 Female Quick Disc 25/Pk 60271

    Seachoice 22-18 Female Quick Disc 25/Pk 60271

    Seachoice

    $30.69 $20.06
    Seachoice 22-18 Female Quick Disc 25/Pk 60271 Marine grade heat shrinkable quick disconnect terminals99.9% Pure copper with butted seam barrel, tin platedClear polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire...
    Part Number:
    50-60271
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    22-18
    Connection:
    Female
    Color:
    Red
    Pack:
    25
    $30.69 $20.06
  • Seachoice 25' Trailer Wing Harness A25Whsch

    Seachoice 25' Trailer Wing Harness A25Whsch

    Seachoice

    $21.36 $15.15
    Seachoice 25' Trailer Wing Harness A25Whsch Wire descriptions: White - ground, Brown - tail lamps, Yellow - driver side stop/turn, Green - passenger side stop/turn25-ft 4-way harness with 4-ft trunk connector.
    Part Number:
    50-52961
    Availability:
    In Stock - Ships same or next business day.
    Length:
    25'
    $21.36 $15.15
  • Seachoice 3/8 Dia Heat Shrink Sleeve 5/Pk 60401

    Seachoice 3/8 Dia Heat Shrink Sleeve 5/Pk 60401

    Seachoice

    $3.26
    Seachoice 3/8 Dia Heat Shrink Sleeve 5/Pk 60401 Vinyl heat shrinkable tubing2:1 Shrink ratioProvides additional insulation and abrasion resistance.
    Part Number:
    50-60401
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3/8" x 6"
    Color:
    Black
    Pack:
    5
    $3.26
  • Seachoice 4 Position Starter Switch 11801

    Seachoice 4 Position Starter Switch 11801

    Seachoice

    $34.22 $25.99
    Seachoice 4 Position Starter Switch 11801 4 Position: Acc.-Off-Ignition-StartIncludes two keys and a boot.Stem Width: 13/16" • Ignition: 15 Amps @ 12V • Solenoid: 13 Amps @ 12V • Accessory: 15 Amps @ 12V
    Part Number:
    50-11801
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Polypropylene
    Max Panel Thickness:
    1-1/8"
    Terminals:
    4 Screw
    $34.22 $25.99
  • Seachoice 5/8 O.D. Shaft For 10 Rolle 55791

    Seachoice 5/8 O.D. Shaft For 10 Rolle 55791

    Seachoice

    $14.87 $13.69
    Seachoice 5/8 O.DShaft For 10 Rolle 55791 Made of zinc plated steelRoller shaft comes complete with 2 pal nuts.
    Part Number:
    50-55791
    Availability:
    In Stock - Ships same or next business day.
    Shaft:
    5/8" OD
    Roller Size:
    10"
    Length:
    11-3/8"
    $14.87 $13.69
  • Seachoice 7 To 5 Way/Adapt W 18 Cable 13821

    Seachoice 7 To 5 Way/Adapt W 18 Cable 13821

    Seachoice

    $20.19 $19.99
    Seachoice 7 To 5 Way/Adapt W 18 Cable 13821 Adapter mates 7-way vehicle to 4 or 5-way trailer.
    Part Number:
    50-13821
    Availability:
    In Stock - Ships same or next business day.
    Connection:
    7 Way Round to 5 Way Flat
    Length:
    18"
    $20.19 $19.99
  • Seachoice Ac/Dc Panel Breaker-30 Amp 13161

    Seachoice Ac/Dc Panel Breaker-30 Amp 13161

    Seachoice

    $26.77 $18.32
    Seachoice Ac/Dc Panel Breaker-30 Amp 13161 Single PoleCircuit breakers are magnetic hydraulic and are designed for marine use • UL and CSA approved • Current: AC/DC • Delay: Medium • Actuator:...
    Part Number:
    50-13161
    Availability:
    In Stock - Ships same or next business day.
    Amps:
    30
    Rating:
    65V DC/227V AC
    $26.77 $18.32
  • Seachoice Adapter 7Way RV Style To 4-Flat 50-58051

    Seachoice Adapter 7Way RV Style To 4-Flat 50-58051

    Seachoice

    $13.29 $11.99
    Seachoice Adapter 7Way RV Style To 4-Flat 50-58051 Durable molded plastic housing resists corrosion • 58051, 58061, 58081: Flat blade brass terminals to flat pin-style tin plated terminals.
    Part Number:
    50-58051
    Availability:
    In Stock - Ships same or next business day.
    Description:
    7-Way RV style to 4-flat
    $13.29 $11.99
  • Seachoice Aluminum Painted Mushroom Anchor

    Seachoice Aluminum Painted Mushroom Anchor

    Seachoice

    $34.23
    Seachoice Aluminum Painted Mushroom Anchor Aluminum painted iron with a vinyl coatingFor small boats and mooring buoysOne-piece cast iron in two coating choices: double dipped painted aluminum for rust resistance and heavy gauge black vinyl for hull...
    Part Number:
    seachoice-almushroom
    Availability:
    In Stock - Ships same or next business day.
    Material:
    Steel/Aluminum
    Type:
    Mushroom
    Finish:
    Aluminum Painted
  • Seachoice Anchor Line Red Braided 1/2" x 150F 42261

    Seachoice Anchor Line Red Braided 1/2" x 150F 42261

    Seachoice

    $144.39 $82.13
    Seachoice Anchor Line Red Braided 1/2" x 150F 42261 Extremely strong line designed to absorb sudden shock loadsComes with galvanized steel thimble.
    Part Number:
    50-42261
    Availability:
    In Stock - Ships same or next business day.
    Color:
    Red
    Size:
    1/2" x 150'
    $144.39 $82.13
  • Seachoice Anchor Swivel-316 SS-1/2"-3/4 44521

    Seachoice Anchor Swivel-316 SS-1/2"-3/4 44521

    Seachoice

    $80.42 $55.65
    Seachoice Anchor Swivel-316 SS-1/2"-3/4 44521 Made of 316 stainless steelUsed between anchor and lead chain or between chain and anchor linePrevents chain and anchor rope from getting twisted.
    Part Number:
    50-44521
    Availability:
    In Stock - Ships same or next business day.
    Length:
    6"
    Anchor Side:
    1-3/16"
    Chain Side:
    9/16"
    $80.42 $55.65
  • Seachoice Ato/Atc Fuse Block-6 Gang 13301

    Seachoice Ato/Atc Fuse Block-6 Gang 13301

    Seachoice

    $24.99 $16.85
    Seachoice Ato/Atc Fuse Block-6 Gang 13301 Heavy duty black plastic molded base with ground bar30A @ 12V DC
    Part Number:
    50-13301
    Availability:
    In Stock - Ships same or next business day.
    Gang:
    6
    Size:
    3-3/4" L x 3-5/16" W x 13/16" H
    $24.99 $16.85
  • Sold Out, please call for ETA.
    Seachoice Baitwell Aerator Kit Port-12V 19471

    Seachoice Baitwell Aerator Kit Port-12V 19471

    Seachoice

    $29.99 $26.39
    Seachoice Baitwell Aerator Kit Port-12V 19471 Adjustable spray volume keeps bait alive longerIncludes foam filter, side-mount bracket, battery clips and super-strong suction cups.Easily converts any container to baitwell tank • Use in salt...
    Part Number:
    50-19471
    Availability:
    In Stock - Ships same or next business day.
    GPH:
    360
    Outlet:
    3/4"
    Volts:
    12
  • Seachoice Battery Terminal Covers 6-4Awg 13691

    Seachoice Battery Terminal Covers 6-4Awg 13691

    Seachoice

    $7.49 $4.42
    Seachoice Battery Terminal Covers 6-4Awg 13691 Contains 1 red and 1 black protector boot. • Marine: Accommodates battery terminals w/ wing nut. • Standard: Accommodates battery terminals w/o wing nut.
    Part Number:
    50-13691
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Standard
    Cable Size:
    4 & 6
    Pack:
    1 pr.
    $7.49 $4.42
  • On Sale
    Seachoice Bearing Kit-1-1/4 x 3/4 53561

    Seachoice Bearing Kit-1-1/4 x 3/4 53561

    Seachoice

    $23.89 $19.55
    Seachoice Bearing Kit-1-1/4 x 3/4 53561 Each Kit Contains:  • 2 bearings with races • 1 grease seal • 1 cotter pin
    Part Number:
    50-53561
    Availability:
    In Stock - Ships same or next business day.
    Axle:
    1-1/4" x 3/4"
    $23.89 $19.55
  • Seachoice Bearing Kit-3/4 53521

    Seachoice Bearing Kit-3/4 53521

    Seachoice

    $27.98 $19.47
    Seachoice Bearing Kit-3/4 53521 Each Kit Contains:  • 2 bearings with races • 1 grease seal • 1 cotter pin
    Part Number:
    50-53521
    Availability:
    In Stock - Ships same or next business day.
    Axle:
    3/4"
    $27.98 $19.47

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.