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Boat Accessories and Supplies

Boat Accessories and Supplies

  • Seachoice 16-14/12-10 S/Dwn Butt 10/Pk 61411

    Seachoice 16-14/12-10 S/Dwn Butt 10/Pk 61411

    Seachoice

    $34.63 $24.99
    Seachoice 16-14/12-10 S/Dwn Butt 10/Pk 61411 Marine grade and designed for connecting different wire gaugesThe gauge is marked on each end of the connector and also displays a corresponding color band99.9% Pure copper with seamless tube, tin...
    Part Number:
    50-61411
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    16-14 to 12-10
    Color:
    Yellow
    Pack:
    10
    $34.63 $24.99
  • Seachoice 16-14/12-10 Step Down @100Pk 50-61441

    Seachoice 16-14/12-10 Step Down @100Pk 50-61441

    Seachoice

    $311.19 $187.50
    Seachoice 16-14/12-10 Step Down @100Pk 50-61441 Marine grade and designed for connecting different wire gaugesThe gauge is marked on each end of the connector and also displays a corresponding color band99.9% Pure copper with seamless tube, tin...
    Part Number:
    50-61441
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    16-14 to 12-10
    Color:
    Yellow
    Pack:
    100
    $311.19 $187.50
  • Seachoice 22-18 #8Heat Shrink Ring 25/Pk 60151

    Seachoice 22-18 #8Heat Shrink Ring 25/Pk 60151

    Seachoice

    $21.49 $14.52
    Seachoice 22-18 #8Heat Shrink Ring 25/Pk 60151 Marine grade heat shrinkable ring terminals99.9% Pure copper with brazed seam barrel, tin platedProprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire...
    Part Number:
    50-60151
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    22-18
    Stud:
    #8
    Color:
    Red
    Pack:
    25
    $21.49 $14.52
  • Seachoice 22-18 Heat Shrink Bt Conn 500/Pk 50-62771

    Seachoice 22-18 Heat Shrink Bt Conn 500/Pk 50-62771

    Seachoice

    $318.29 $165.87
    Seachoice 22-18 Heat Shrink Bt Conn 500/Pk 50-62771 Marine grade heat shrinkable butt splices99.9% Pure copper with seamless tube, tin platedProprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire...
    Part Number:
    50-62771
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    22-18
    Color:
    Red
    Pack:
    500
    $318.29 $165.87
  • Seachoice 22-18 Heat Shrink Butt Con 100Pk 61151

    Seachoice 22-18 Heat Shrink Butt Con 100Pk 61151

    Seachoice

    $78.59 $39.60
    Seachoice 22-18 Heat Shrink Butt Con 100Pk 61151 Marine grade heat shrinkable butt splices99.9% Pure copper with seamless tube, tin platedProprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire...
    Part Number:
    50-61151
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    22-18
    Color:
    Red
    Pack:
    100
    $78.59 $39.60
  • Seachoice 22-18 Heat Shrink Ring 5/16 25/Pk 50-63441

    Seachoice 22-18 Heat Shrink Ring 5/16 25/Pk 50-63441

    Seachoice

    $21.49 $11.38
    Seachoice 22-18 Heat Shrink Ring 5/16 25/Pk 50-63441 Marine grade heat shrinkable ring terminals99.9% Pure copper with brazed seam barrel, tin platedProprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for...
    Part Number:
    50-63441
    Availability:
    In Stock - Ships same or next business day.
    Wire Range:
    22-18
    Stud:
    5/16"
    Color:
    Red
    Pack:
    25
    $21.49 $11.38
  • Seachoice 2500 Lb Hvy Duty Fixed Jack 50-52051

    Seachoice 2500 Lb Hvy Duty Fixed Jack 50-52051

    Seachoice

    $132.99 $88.17
    Seachoice 2500 Lb Hvy Duty Fixed Jack 50-52051 Fixed mount jack with drop legSuited for heavy duty applications and fits trailer frames up to 3" x 5"Bolt-on style and includes all mounting hardware28" of lift.
    Part Number:
    50-52051
    Availability:
    In Stock - Ships same or next business day.
    Max Load:
    2500 lbs.
    $132.99 $88.17
  • Seachoice 3/8 #4 Tinnd Batterylug 25/Bg 60571

    Seachoice 3/8 #4 Tinnd Batterylug 25/Bg 60571

    Seachoice

    $47.99 $31.38
    Seachoice 3/8 #4 Tinnd Batterylug 25/Bg 60571 Marine grade, 99.9% pure copper, tin plated battery lugsSeamless pad provides ultimate performance in strength, conductivity and corrosion resistanceUL Listed / CSA Certified.
    Part Number:
    50-60571
    Availability:
    In Stock - Ships same or next business day.
    Cable Size:
    4
    Fastener:
    3/8"
    Pack:
    25
    $47.99 $31.38
  • Seachoice 3/8 x 1/0 Tinedbatery Lug 25/Bg 60531

    Seachoice 3/8 x 1/0 Tinedbatery Lug 25/Bg 60531

    Seachoice

    $89.79 $57.23
    Seachoice 3/8 x 1/0 Tinedbatery Lug 25/Bg 60531 Marine grade, 99.9% pure copper, tin plated battery lugsSeamless pad provides ultimate performance in strength, conductivity and corrosion resistanceUL Listed / CSA Certified.
    Part Number:
    50-60531
    Availability:
    In Stock - Ships same or next business day.
    Cable Size:
    36526
    Fastener:
    3/8"
    Pack:
    25
    $89.79 $57.23
  • Seachoice 3/8 x 2/0 Tinned Battery Lug @25 60521

    Seachoice 3/8 x 2/0 Tinned Battery Lug @25 60521

    Seachoice

    $96.99 $64.13
    Seachoice 3/8 x 2/0 Tinned Battery Lug @25 60521 Marine grade, 99.9% pure copper, tin plated battery lugsSeamless pad provides ultimate performance in strength, conductivity and corrosion resistanceUL Listed / CSA Certified.
    Part Number:
    50-60521
    Availability:
    In Stock - Ships same or next business day.
    Cable Size:
    36557
    Fastener:
    3/8"
    Pack:
    25
    $96.99 $64.13
  • Seachoice 3/8 x 4-3/4 Clevis Pin 20216001

    Seachoice 3/8 x 4-3/4 Clevis Pin 20216001

    Seachoice

    $7.79 $5.88
    Seachoice 3/8 x 4-3/4 Clevis Pin 20216001 Corrosion resistant plating. • 53271: Fits Class II Receivers & Ball Mounts.
    Part Number:
    50-53261
    Availability:
    In Stock - Ships same or next business day.
    Size:
    3/8" x 4-3/4"
    $7.79 $5.88
  • Seachoice 3/8 x 4/0 Tinedbatery Lug 25/Bg 60501

    Seachoice 3/8 x 4/0 Tinedbatery Lug 25/Bg 60501

    Seachoice

    $179.49 $115.66
    Seachoice 3/8 x 4/0 Tinedbatery Lug 25/Bg 60501 Marine grade, 99.9% pure copper, tin plated battery lugsSeamless pad provides ultimate performance in strength, conductivity and corrosion resistanceUL Listed / CSA Certified.
    Part Number:
    50-60501
    Availability:
    In Stock - Ships same or next business day.
    Cable Size:
    36617
    Fastener:
    3/8"
    Pack:
    25
    $179.49 $115.66
  • Seachoice 3/8 X#6 Tined Batt Lug 25/Bg 60591

    Seachoice 3/8 X#6 Tined Batt Lug 25/Bg 60591

    Seachoice

    $38.29 $25.51
    Seachoice 3/8 X#6 Tined Batt Lug 25/Bg 60591 Marine grade, 99.9% pure copper, tin plated battery lugsSeamless pad provides ultimate performance in strength, conductivity and corrosion resistanceUL Listed / CSA Certified.
    Part Number:
    50-60591
    Availability:
    In Stock - Ships same or next business day.
    Cable Size:
    6
    Fastener:
    3/8"
    Pack:
    25
    $38.29 $25.51
  • Seachoice 3/8X #1 Tined Baterylug 25/Bg 60541

    Seachoice 3/8X #1 Tined Baterylug 25/Bg 60541

    Seachoice

    $78.99 $50.95
    Seachoice 3/8X #1 Tined Baterylug 25/Bg 60541 Marine grade, 99.9% pure copper, tin plated battery lugsSeamless pad provides ultimate performance in strength, conductivity and corrosion resistanceUL Listed / CSA Certified.
    Part Number:
    50-60541
    Availability:
    In Stock - Ships same or next business day.
    Cable Size:
    1
    Fastener:
    3/8"
    Pack:
    25
    $78.99 $50.95
  • Seachoice 3/8X #2 Tined Baterylug 25/Bg 60551

    Seachoice 3/8X #2 Tined Baterylug 25/Bg 60551

    Seachoice

    $64.29 $41.19
    Seachoice 3/8X #2 Tined Baterylug 25/Bg 60551 Marine grade, 99.9% pure copper, tin plated battery lugsSeamless pad provides ultimate performance in strength, conductivity and corrosion resistanceUL Listed / CSA Certified.
    Part Number:
    50-60551
    Availability:
    In Stock - Ships same or next business day.
    Cable Size:
    2
    Fastener:
    3/8"
    Pack:
    25
    $64.29 $41.19
  • Seachoice 4 Section Ski Rope-75 Feet 86811

    Seachoice 4 Section Ski Rope-75 Feet 86811

    Seachoice

    $37.99 $19.29
    Seachoice 4 Section Ski Rope-75 Feet 86811 16 strand • EVA, 15" wide - for firm grip
    Part Number:
    50-86811
    Availability:
    In Stock - Ships same or next business day.
    Length:
    75'
    Sections:
    4 Color Coded
    (5' - 40' - 10' -
    10' - 10')
    Tensile Strength:
    2 -050 lbs.
    $37.99 $19.29

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.