Boat Accessories and Supplies
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Sea-Dog Line Switch 3Pos Ignition-Poly 420360-1
SEA-DOG LINE
$24.95 $19.43Sea-Dog Line Switch 3Pos Ignition-Poly 420360-13 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Short shaft fits panels up to 5/8" thick, long shaft fits panels up to 1-1/8" thick. Functions: Off-Ignition-Start.- Part Number:
- 354-4203601
- Availability:
- In Stock - Ships same or next business day.
- Panel:
- 1-1/8" Max
- Terminals:
- 3 Screw
- Boot:
- No
$24.95 $19.43 -
Sea-Dog Line Tether Kill Switch - Universal 420498-1
SEA-DOG LINE
$27.25 $22.99Sea-Dog Line Tether Kill Switch - Universal 420498-1 Dual circuitry allows kill switch to be wired for either ignition kill or magneto kill. WARNING: Test switch for proper function before each use. Replace lanyard if worn, cut or frayed.- Part Number:
- 354-4204981
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Switch w/Floating Lanyard
- A:
- 1/4"
- B:
- 5/8"
$27.25 $22.99 -
Sea-Dog Line Tube Connector (Black) 273300-1
SEA-DOG LINE
$4.73Sea-Dog Line Tube Connector (Black) 273300-1 Tube Connectors are used for connecting the ends of stainless steel or aluminum tubing by sliding inside the tube. Fits 7/8” O.D. tubing. Constructed of UV resistant injection molded nylon. *Stainless...- Part Number:
- 354-2733001
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black Injection Molded Nylon
- A:
- 3/4"
- B (Tube O.D.*):
- 7/8"
- Length:
- 2-1/4"
- Weight:
- .04/.08
$4.73 -
Seachoice 12-10 3/8Heat Shrink Ring 25/Pk 60071
Seachoice
$28.59 $14.46Seachoice 12-10 3/8Heat Shrink Ring 25/Pk 60071 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:
- 50-60071
- Availability:
- In Stock - Ships same or next business day.
- Wire Range:
- 43444
- Stud:
- 3/8"
- Color:
- Yellow
- Pack:
- 25
$28.59 $14.46 -
Sold Out, please call for ETA.
Seachoice 16-14 Coolseal But Spice 25/Pk 50-63511
Seachoice
$26.71 $14.32Seachoice 16-14 Coolseal But Spice 25/Pk 50-63511 Cool Seal is a heat-less, solderless terminal, it utilizes revolutionary anaerobic sealant technology that installs in a fraction of the time of comparable heat seal connectorsSimply strip the wire and...- Part Number:
- 50-63511
- Availability:
- In Stock - Ships same or next business day.
- Wire Range:
- 16-14
- Color:
- Blue
- Pack:
- 25
$26.71 $14.32 -
Seachoice 16-14 Ga Smless Butt Spl 100 50-61631
Seachoice
$34.69 $22.56Seachoice 16-14 Ga Smless Butt Spl 100 50-61631 Marine grade, 99.9% pure copperTin plated for corrosion resistance.- Part Number:
- 50-61631
- Availability:
- In Stock - Ships same or next business day.
- Wire Range:
- 16-14
- Pack:
- 100
$34.69 $22.56 -
Seachoice 22-18 Ga Smless Butt Spl 100 50-61611
Seachoice
$31.69 $20.70Seachoice 22-18 Ga Smless Butt Spl 100 50-61611 Marine grade, 99.9% pure copperTin plated for corrosion resistance.- Part Number:
- 50-61611
- Availability:
- In Stock - Ships same or next business day.
- Wire Range:
- 22-18
- Pack:
- 100
$31.69 $20.70 -
Seachoice 3/4 Dia Heat Shrink Sleeve 3/Pk 60421
Seachoice
$4.09 $3.98Seachoice 3/4 Dia Heat Shrink Sleeve 3/Pk 60421 Vinyl heat shrinkable tubing2:1 Shrink ratioProvides additional insulation and abrasion resistance.- Part Number:
- 50-60421
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3/4" x 6"
- Color:
- Black
- Pack:
- 3
$4.09 $3.98 -
Seachoice 5/8 O.D. Shaft For 12 Rolle 55811
Seachoice
$18.03 $15.80Seachoice 5/8 O.DShaft For 12 Rolle 55811 Made of zinc plated steelRoller shaft comes complete with 2 pal nuts.- Part Number:
- 50-55811
- Availability:
- In Stock - Ships same or next business day.
- Shaft:
- 5/8" OD
- Roller Size:
- 12"
- Length:
- 13-3/8"
$18.03 $15.80 -
Seachoice 6 Stainless Steel Filet Knife 87101
Seachoice
$11.58 $8.99Seachoice 6 Stainless Steel Filet Knife 87101 The knife's tapered razor sharp blade is made of German stainless steel and is sturdy yet flexible enough for delicate workThe blade features a serrated top for de-scaling and a line-cutter which is...- Part Number:
- 50-87101
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6"
$11.58 $8.99 -
Seachoice 7 Key Kill Switch Lanyard 11671
Seachoice
$10.99 $6.69Seachoice 7 Key Kill Switch Lanyard 11671- Part Number:
- 50-11671
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Replacement Lanyard w/ 7 Keys
$10.99 $6.69 -
Seachoice Anchor Line W/Tracer-3/8" x 50' 47691
Seachoice
$37.13 $25.44Seachoice Anchor Line W/Tracer-3/8" x 50' 47691 Extremely strong line designed to absorb sudden shock loadsComes with galvanized steel thimble.- Part Number:
- 50-47691
- Availability:
- In Stock - Ships same or next business day.
- Color:
- White / Blue Tracer
- Size:
- 3/8" x 50'
$37.13 $25.44 -
Seachoice Asst Heat Shrink Butt Conn 10Pk 62291
Seachoice
$19.22 $12.93Seachoice Asst Heat Shrink Butt Conn 10Pk 62291 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:
- 50-62291
- Availability:
- In Stock - Ships same or next business day.
- Wire Range:
- 22-18 - 16-14 - 12-10
- Color:
- Red - Blue - Yellow
- Pack:
- 10
$19.22 $12.93 -
Seachoice Ato-Atc In-Line Fus Holder-10Am 12761
Seachoice
$9.29 $8.99Seachoice Ato-Atc In-Line Fus Holder-10Am 12761 Water resistantEasy to install, easy to change ATO-ATC fuse holderUsed in most recreational vehiclesComes with cap to seal out moistureBrass electrical contactsFuse included.- Part Number:
- 50-12761
- Availability:
- In Stock - Ships same or next business day.
- Gauge:
- 16
- Fuse:
- 10A
$9.29 $8.99 -
Seachoice Battery Tray-Premium-29 Series 21991
Seachoice
$26.34 $19.41Seachoice Battery Tray-Premium-29 Series 21991 Complete with stainless steel hold down rodsWill not fit Exide®, batteries.- Part Number:
- 50-21991
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Group 29
- Size:
- ID: 13-1/8" x 6-7/8" x 1/2"
$26.34 $19.41 -
Seachoice Braided Mfp (Derby) Red/White 3/8 x 500 42770
Seachoice
$162.23 $110.60Seachoice Braided Mfp (Derby) Red/White 3/8 x 500 42770 Polypropylene • Multi-purpose • Buoyant • Resistant to rot, mildew and marine growth- Part Number:
- 50-42770
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3/8" x 500'
- Color:
- Red/White
$162.23 $110.60 -
Seachoice Ext Eye End-1 -Square Black 76341
Seachoice
$9.01 $7.44Seachoice Ext Eye End-1 -Square Black 76341 Super tough and corrosion resistantUse on square tubing.- Part Number:
- 50-76341
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Nylon / Black
- Fits:
- 1" OD tube
- Pack:
- 1 pr.
$9.01 $7.44 -
Seachoice Fender Lock - Ss 1 Pr/Cd 30121
Seachoice
$29.99 $20.63Seachoice Fender Lock - Ss 1 Pr/Cd 30121Made of stainless steel. Eye is to be permanently attached to fender line.- Part Number:
- 50-30121
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Lock
- Eye:
- 3/8" ID
- Fastener:
- #8
- Pack:
- 2
- Flange:
- 1-1/2"
$29.99 $20.63 -
Seachoice Grease Cap-1.980 53631
Seachoice
$8.49 $6.99Seachoice Grease Cap-1.980 53631 Steel caps for most common application • used in bearing kits.- Part Number:
- 50-53631
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1.980"
- For:
- Bearing Kit 53531 -
53541 - 53571 - Pack:
- 1 pr.
$8.49 $6.99 -
Seachoice Hollow Braid Poly Anchor Line 40201
Seachoice
$13.63 $11.03Seachoice Hollow Braid Poly Anchor Line 40201 Hollow braided polypropyleneRot proofGreat for small boats and mushroom anchorsZinc galvanized srping hook.- Part Number:
- 50-40201
- Availability:
- In Stock - Ships same or next business day.
- Color:
- White
- Size:
- 1/4" x 50'
$13.63 $11.03
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.