null

FREE SHIPPING OVER $99

BEST PRICE GUARANTEED

EARN POWERBOAT REWARDS

SUPPORT M-F 9-5 EST: 856-232-6969

Buy a Mercury Outboard → Get 8-Year Platinum Warranty for $1! ⚡ Offer Ends Soon! — Shop Now ›

Boat Accessories and Supplies

Boat Accessories and Supplies

  • Seachoice 5Way Flat Both Side Loop 60 50-57961
    Add to Cart

    Seachoice 5Way Flat Both Side Loop 60 50-57961

    Seachoice

    $12.64 $9.70
    Seachoice 5Way Flat Both Side Loop 60 50-57961 Industry standard connector used for light-duty applications where an auxiliary circuit is required for surge brake lockout or back-up lamp functionality.16 GaBonded Wire (Green, Yellow, Brown, White)...
    Part Number:
    50-57961
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Car & Trailer
    Lead:
    60"
    $12.64 $9.70
    Add to Cart
  • Seachoice 5Way Flat Trailr Side Conn 12 50-57881
    Add to Cart

    Seachoice 5Way Flat Trailr Side Conn 12 50-57881

    Seachoice

    $9.93 $7.89
    Seachoice 5Way Flat Trailr Side Conn 12 50-57881 Industry standard connector used for light-duty applications where an auxiliary circuit is required for surge brake lockout or back-up lamp functionality.16 GaBonded Wire (Green, Yellow, Brown, White)...
    Part Number:
    50-57881
    Availability:
    In Stock - Ships same or next business day.
    Connector:
    Trailer
    Lead:
    12"
    $9.93 $7.89
    Add to Cart
  • Sold Out, please call for ETA.
    Seachoice 6 1/2 Alum.Fishing Plier Bulk 87010

    Seachoice 6 1/2 Alum.Fishing Plier Bulk 87010

    Seachoice

    $19.95 $0.00
    Seachoice 6 1/2 Alum.Fishing Plier Bulk 87010 These pliers are a must have for the fishermanThe coiled tether, clasp and holster mean they will always be handy. • Anodized air-craft grade aluminum - light weight, durable and corrosion...
    Part Number:
    50-87010
    Availability:
    In Stock - Ships same or next business day.
    Size:
    6-1/2"
    Pkg.:
    Bulk
    $19.95 $0.00
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Sold Out, please call for ETA.
    Seachoice 6 1/2 Alum.Fishing Plier Card 87011

    Seachoice 6 1/2 Alum.Fishing Plier Card 87011

    Seachoice

    $21.95 $0.00
    Seachoice 6 1/2 Alum.Fishing Plier Card 87011 These pliers are a must have for the fishermanThe coiled tether, clasp and holster mean they will always be handy. • Anodized air-craft grade aluminum - light weight, durable and corrosion...
    Part Number:
    50-87011
    Availability:
    In Stock - Ships same or next business day.
    Size:
    6-1/2"
    Pkg.:
    Card
    $21.95 $0.00
    Sold out - Special order may be available, please call 856-232-6969 ext1
  • Seachoice 6Ga 2/0 Ld Emerg Term Post Black 62721
    Add to Cart

    Seachoice 6Ga 2/0 Ld Emerg Term Post Black 62721

    Seachoice

    $8.22 $6.89
    Seachoice 6Ga 2/0 Ld Emerg Term Post Black 62721 Quick and simple way to repair battery cable endsNo crimping tool neededEpoxy coating aids in polarity identification and corrosion resistance3/8" positive stud and 5/16" negative studFits all standard...
    Part Number:
    50-62721
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Negative
    Cable Size:
    6 to 1 gauge
    Material:
    Epoxy Coated
    Lead Alloy
    Color:
    Black
    $8.22 $6.89
    Add to Cart
  • Seachoice 6Ga 2/0 Ld Emerg Term Post Red 62731
    Add to Cart

    Seachoice 6Ga 2/0 Ld Emerg Term Post Red 62731

    Seachoice

    $8.22 $6.89
    Seachoice 6Ga 2/0 Ld Emerg Term Post Red 62731 Quick and simple way to repair battery cable endsNo crimping tool neededEpoxy coating aids in polarity identification and corrosion resistance3/8" positive stud and 5/16" negative studFits all standard...
    Part Number:
    50-62731
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Positive
    Cable Size:
    6 to 1 gauge
    Material:
    Epoxy Coated
    Lead Alloy
    Color:
    Red
    $8.22 $6.89
    Add to Cart
  • Seachoice 6Ga-250Mcm Hvy Duty Crimp Tool 61251
    Add to Cart

    Seachoice 6Ga-250Mcm Hvy Duty Crimp Tool 61251

    Seachoice

    $492.92 $319.19
    Seachoice 6Ga-250Mcm Hvy Duty Crimp Tool 61251 Features Include: • 6 GA– 250 MCM Range, accommodates popular sizes • Diamond-shaped crimp completely compresses cable to form solid mass assuring low resistance...
    Part Number:
    50-61251
    Availability:
    In Stock - Ships same or next business day.
    $492.92 $319.19
    Add to Cart
  • Special Order! See availaility for details
    Seachoice 6Ga-4/0 Prof Hammer Crimp Tool 61241
    Add to Cart

    Seachoice 6Ga-4/0 Prof Hammer Crimp Tool 61241

    Seachoice

    $69.19 $47.66
    Seachoice 6Ga-4/0 Prof Hammer Crimp Tool 61241 A convenient and durable tool for crimping lugs and terminals from 6 - 4/0 GAMade of high strength steel, the hammer crimp tool features a V-shaped nest for a solid crimp each time with a simple swing of a...
    Part Number:
    50-61241
    Availability:
    In Stock - Ships same or next business day.
    $69.19 $47.66
    Add to Cart
  • Seachoice 6Led Flood Rectang Work Light 51641
    Add to Cart

    Seachoice 6Led Flood Rectang Work Light 51641

    Seachoice

    $120.05 $78.22
    Seachoice 6Led Flood Rectang Work Light 51641 Heavy duty design with powder coated die cast aluminum housing and polycarbonate lensDual power use with 12VDC and 24VDC systemsStainless steel mounting hardwareIP69K Rating: Highest designation available for...
    Part Number:
    50-51641
    Availability:
    In Stock - Ships same or next business day.
    LEDs:
    6
    LED Color:
    White
    Lumens:
    720
    Shape:
    Rectangular
    Size:
    6” W x 4.5” H x 2.4” D
    $120.05 $78.22
    Add to Cart
  • Seachoice 7 To 4 W/Adapt W/8 Wire 13831
    Add to Cart

    Seachoice 7 To 4 W/Adapt W/8 Wire 13831

    Seachoice

    $20.99 $14.10
    Seachoice 7 To 4 W/Adapt W/8 Wire 13831 Adapter mates 7-way vehicle to 4 or 5-way trailer.
    Part Number:
    50-13831
    Availability:
    In Stock - Ships same or next business day.
    Connection:
    7 Way Round to 4 Way Flat
    Length:
    8"
    $20.99 $14.10
    Add to Cart
  • Seachoice 7 To 5 Way/Adapt W/8 Wire 13881
    Add to Cart

    Seachoice 7 To 5 Way/Adapt W/8 Wire 13881

    Seachoice

    $21.99 $13.33
    Seachoice 7 To 5 Way/Adapt W/8 Wire 13881 Adapter mates 7-way vehicle to 4 or 5-way trailer.
    Part Number:
    50-13881
    Availability:
    In Stock - Ships same or next business day.
    Connection:
    7 Way Round to 5 Way Flat
    Length:
    8"
    $21.99 $13.33
    Add to Cart
  • Seachoice 7Way Round RV C Conn W/Door Plast 50-57981
    Add to Cart

    Seachoice 7Way Round RV C Conn W/Door Plast 50-57981

    Seachoice

    $10.31 $8.14
    Seachoice 7Way Round RV C Conn W/Door Plast 50-57981 Designed for use with RV's and heavier utility & equipment trailers equipped with electric brakes. •  • 57991: Spring loaded connector door repels moisture when not in...
    Part Number:
    50-57981
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Car Side w/Sealed Door
    $10.31 $8.14
    Add to Cart

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.