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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Seachoice Battery Strap-42 -Black 78981

    Seachoice Battery Strap-42 -Black 78981

    Seachoice

    $7.40 $6.23
    Seachoice Battery Strap-42 -Black 78981 Polypropylene webbingIdeal for securing battery boxes and other equipmentReplacement for 22031, 22051 and 22011. • 78981: Includes brackets and stainless steel screws.
    Part Number:
    50-78981
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Black w/ Blk plastic Buckle
    Size:
    1-1/2" x 42"
    $7.40 $6.23
  • Seachoice Battery Term Univ Bulk (10Bx) 13720

    Seachoice Battery Term Univ Bulk (10Bx) 13720

    Seachoice

    $44.39 $15.24
    Seachoice Battery Term Univ Bulk (10Bx) 13720 Fits positive or negative postsMade from 100% recycled leadClamp holds cable or strapRemovable plate for easy assembly Threaded clamp avoids pull-out.
    Part Number:
    50-13720
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Universal
    Cable Size:
    6 to 1 gauge
    Material:
    Lead Alloy
    Pack:
    10
    $44.39 $15.24
  • Seachoice Battery Terminal Univ 2/Pk 13721

    Seachoice Battery Terminal Univ 2/Pk 13721

    Seachoice

    $8.99 $6.45
    Seachoice Battery Terminal Univ 2/Pk 13721 Fits positive or negative postsMade from 100% recycled leadClamp holds cable or strapRemovable plate for easy assembly Threaded clamp avoids pull-out.
    Part Number:
    50-13721
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Universal
    Cable Size:
    6 to 1 gauge
    Material:
    Lead Alloy
    Pack:
    2
    $8.99 $6.45
  • Seachoice Battery Terminals Marine 2/Pk 13671

    Seachoice Battery Terminals Marine 2/Pk 13671

    Seachoice

    $13.27 $9.85
    Seachoice Battery Terminals Marine 2/Pk 13671 Converts standard battery post terminals to a marine stud connectorAllows for easy removal of connector from batteryPlated wing nuts3/8" Positive stud and 5/16" negative studFits all standard battery posts.
    Part Number:
    50-13671
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Pos & Neg
    Material:
    Lead Alloy
    Pack:
    2
    $13.27 $9.85
  • Seachoice Bearing Kit-1-1/16 53541

    Seachoice Bearing Kit-1-1/16 53541

    Seachoice

    $26.54 $18.53
    Seachoice Bearing Kit-1-1/16 53541 Each Kit Contains:  • 2 bearings with races • 1 grease seal • 1 cotter pin
    Part Number:
    50-53541
    Availability:
    In Stock - Ships same or next business day.
    Axle:
    1-1/16"
    $26.54 $18.53
  • Seachoice Bearing Kit-1-1/4 53551

    Seachoice Bearing Kit-1-1/4 53551

    Seachoice

    $27.98 $19.47
    Seachoice Bearing Kit-1-1/4 53551 Each Kit Contains:  • 2 bearings with races • 1 grease seal • 1 cotter pin
    Part Number:
    50-53551
    Availability:
    In Stock - Ships same or next business day.
    Axle:
    1-1/4"
    $27.98 $19.47
  • Seachoice Bi-Color Bow Light Uscg2Nm-Cpz 4921

    Seachoice Bi-Color Bow Light Uscg2Nm-Cpz 4921

    Seachoice

    $55.59 $41.25
    Seachoice Bi-Color Bow Light Uscg2Nm-Cpz 4921 Meets CE and USCG requirements for 2NM visibility for sail or powerboats under 66'Meets ABYC A-16 requirementsWith Red & Green LensesBlack plastic baseScrew size is 8.
    Part Number:
    50-04921
    Availability:
    In Stock - Ships same or next business day.
    Housing:
    Chrome Plated Zamak
    Mount:
    Horizontal
    Base:
    3-1/4" L x 2-5/16" W
    Height:
    1-5/8"
    $55.59 $41.25
  • Seachoice Bi-Color Bow Light-Black Plas 4901

    Seachoice Bi-Color Bow Light-Black Plas 4901

    Seachoice

    $49.73 $35.60
    Seachoice Bi-Color Bow Light-Black Plas 4901 Meets CE and USCG requirements for 2NM visibility for sail or powerboats under 66'. • With Red & Green LensesPlastic casing with ultrasonically welded lenses gasketed to the basePre-drilled with...
    Part Number:
    50-04901
    Availability:
    In Stock - Ships same or next business day.
    Housing:
    Black
    Base:
    3-1/2" L x 2-1/4" W
    Height:
    1-5/8"
    $49.73 $35.60
  • Seachoice Bi-Color Bow Light-Cpz 5011

    Seachoice Bi-Color Bow Light-Cpz 5011

    Seachoice

    $62.78 $39.86
    Seachoice Bi-Color Bow Light-Cpz 5011 Meets CE and USCG requirements for 1NM visibility for sail or powerboats under 39'Meets ABYC A-16 requirementsMeets NMMA Certification ProcedureWith Red & Green Lenses12V DC - 8 CP lamp includedPre-drilled with two...
    Part Number:
    50-05011
    Availability:
    In Stock - Ships same or next business day.
    Housing:
    Chrome Plated Zamak
    Mount:
    Horizontal
    Base:
    4" x 3-1/8"
    Height:
    1-3/4"
    $62.78 $39.86
  • Seachoice Black Double Braid-1/2 x 600' 47080

    Seachoice Black Double Braid-1/2 x 600' 47080

    Seachoice

    $384.39 $259.87
    Seachoice Black Double Braid-1/2 x 600' 47080 Excellent high grade nylonLong wearing and resists kinkingCan be used to make dock, anchor and mooring lines.
    Part Number:
    50-47080
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1/2" x 600'
    Color:
    Black
    $384.39 $259.87
  • Seachoice Black Double Braid-3/8 x 600' 47090

    Seachoice Black Double Braid-3/8 x 600' 47090

    Seachoice

    $215.99 $192.87
    Seachoice Black Double Braid-3/8 x 600' 47090 Excellent high grade nylonLong wearing and resists kinkingCan be used to make dock, anchor and mooring lines.
    Part Number:
    50-47090
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3/8" x 600'
    Color:
    Black
    $215.99 $192.87
  • Seachoice Black Heat Shrink 1 x 48Dw3:1 W Seal 60481

    Seachoice Black Heat Shrink 1 x 48Dw3:1 W Seal 60481

    Seachoice

    $36.79 $19.54
    Seachoice Black Heat Shrink 1 x 48Dw3:1 W Seal 60481 Marine grade, flexible polyolefin heat shrinkable tubing3:1 shrink ratio with adhesive linerFlame retardantOnce installed, provides a complete environmental seal to prevent corrosion, enhance...
    Part Number:
    50-60481
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1" x 48"
    Color:
    Black
    $36.79 $19.54
  • Seachoice Black Heat Shrk3/4 x 48Dw3:1W Seal 60471

    Seachoice Black Heat Shrk3/4 x 48Dw3:1W Seal 60471

    Seachoice

    $30.69 $15.97
    Seachoice Black Heat Shrk3/4 x 48Dw3:1W Seal 60471 Marine grade, flexible polyolefin heat shrinkable tubing3:1 shrink ratio with adhesive linerFlame retardantOnce installed, provides a complete environmental seal to prevent corrosion, enhance insulation...
    Part Number:
    50-60471
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3/4" x 48"
    Color:
    Black
    $30.69 $15.97
  • Seachoice Black Heatsrk 3/4 x 3 Dw Wselnt3Pk 62211

    Seachoice Black Heatsrk 3/4 x 3 Dw Wselnt3Pk 62211

    Seachoice

    $11.29 $7.89
    Seachoice Black Heatsrk 3/4 x 3 Dw Wselnt3Pk 62211 Marine grade, flexible polyolefin heat shrinkable tubing3:1 shrink ratio with adhesive linerFlame retardantOnce installed, provides a complete environmental seal to prevent corrosion, enhance insulation...
    Part Number:
    50-62211
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3/4" x 3"
    Color:
    Black
    Pack:
    3
    $11.29 $7.89
  • Seachoice Black Htsk3/8 x 48Dw3:1W/Slnt 62611

    Seachoice Black Htsk3/8 x 48Dw3:1W/Slnt 62611

    Seachoice

    $20.49 $10.71
    Seachoice Black Htsk3/8 x 48Dw3:1W/Slnt 62611 Marine grade, flexible polyolefin heat shrinkable tubing3:1 shrink ratio with adhesive linerFlame retardantOnce installed, provides a complete environmental seal to prevent corrosion, enhance insulation and...
    Part Number:
    50-62611
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3/8" x 48"
    Color:
    Black
    $20.49 $10.71
  • Seachoice Black Htsnk 1/2 x 3 Dw W/Slnt 3/Pk 62071

    Seachoice Black Htsnk 1/2 x 3 Dw W/Slnt 3/Pk 62071

    Seachoice

    $8.19 $6.73
    Seachoice Black Htsnk 1/2 x 3 Dw W/Slnt 3/Pk 62071 Marine grade, flexible polyolefin heat shrinkable tubing3:1 shrink ratio with adhesive linerFlame retardantOnce installed, provides a complete environmental seal to prevent corrosion, enhance insulation...
    Part Number:
    50-62071
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1/2" x 3"
    Color:
    Black
    Pack:
    3
    $8.19 $6.73
  • Seachoice Black Htsnk 1/8 x 3 Dw W/Slnt 3/Pk 62031

    Seachoice Black Htsnk 1/8 x 3 Dw W/Slnt 3/Pk 62031

    Seachoice

    $6.19 $4.91
    Seachoice Black Htsnk 1/8 x 3 Dw W/Slnt 3/Pk 62031 Marine grade, flexible polyolefin heat shrinkable tubing3:1 shrink ratio with adhesive linerFlame retardantOnce installed, provides a complete environmental seal to prevent corrosion, enhance insulation...
    Part Number:
    50-62031
    Availability:
    In Stock - Ships same or next business day.
    Size:
    1/8" x 3"
    Color:
    Black
    Pack:
    3
    $6.19 $4.91
  • Seachoice Black Htsnk 3/16 x 3Dw W/Slnt 3/Pk 62041

    Seachoice Black Htsnk 3/16 x 3Dw W/Slnt 3/Pk 62041

    Seachoice

    $6.19 $5.11
    Seachoice Black Htsnk 3/16 x 3Dw W/Slnt 3/Pk 62041 Marine grade, flexible polyolefin heat shrinkable tubing3:1 shrink ratio with adhesive linerFlame retardantOnce installed, provides a complete environmental seal to prevent corrosion, enhance insulation...
    Part Number:
    50-62041
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3/16" x 3"
    Color:
    Black
    Pack:
    3
    $6.19 $5.11

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.