Boat Accessories and Supplies
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Sea-Dog Line MRV Wiper Motor (Black) 412121B-3
SEA-DOG LINE
$197.00 $126.87Sea-Dog Line MRV Wiper Motor (Black) 412121B-3 MRV Wiper Motors are a two-speed, self-parking heavy duty motor for interior/protected locations. Sweep angle is preset at 80° or 110°, but can be reset to 40°, 50°, 60°, 70°,...- Part Number:
- 354-412121B3
- Availability:
- In Stock - Ships same or next business day.
- Finish:
- Black Stamped Powder Coated Steel/304 Stainless Steel
- A:
- 5/8"
- B:
- 2-1/2"
- C:
- 4"
- D:
- 7-1/4"
- Sweep:
- 110 Degrees
- Volts:
- 12/2
$197.00 $126.87 -
Sea-Dog Line Oarlock Bushing - 1/2 582059-1
SEA-DOG LINE
$4.39Sea-Dog Line Oarlock Bushing - 1/2 582059-1Injection molded polypropylene. Reduces 5/8" oarlock socket down to 1/2".- Part Number:
- 354-5820591
- Availability:
- In Stock - Ships same or next business day.
- A:
- 1-9/16"
- B:
- 1/2"
- Pack:
- 1 pr.
$4.39 -
Sea-Dog Line Stainless Flush Mount Drink 588065
SEA-DOG LINE
$23.75 $20.57Sea-Dog Line Stainless Flush Mount Drink 588065 Stamped 304 stainless. Dual purpose design allows use of beverage cans with or without insulated can wraps and also has rubber insert in bottom. Drain fitting allows water to be drained to bilge. Use 1/4"...- Part Number:
- 354-588065
- Availability:
- In Stock - Ships same or next business day.
- A:
- 4-1/4"
- B:
- 3-5/8"
- C:
- 3-3/16"
- D:
- 3/4"
- E:
- 1/4"
$23.75 $20.57 -
Sea-Dog Line Top Mount Side Lights 400165
SEA-DOG LINE
$52.95 $43.97Sea-Dog Line Top Mount Side Lights 400165 These Top Mount Side Lights are for replacement of existing lighting (not for new construction). Constructed of corrosion resistant stamped 304 stainless steel. Includes port and starboard lights. Installs with...- Part Number:
- 354-400165
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Stamped 304 Stainless Steel
- A:
- 2-5/16"
- B:
- 1-3/8"
- C:
- 3/4"
- Volts:
- 12
$52.95 $43.97 -
Seachoice 18 Varnished Flag Pole 77021
Seachoice
$16.49 $11.85Seachoice 18 Varnished Flag Pole 77021 Varnished mahogany pole • Complete with two brass screw hooks- Part Number:
- 50-77021
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 3/4"
- Length:
- 18"
$16.49 $11.85 -
Seachoice 3-Strand Twisted Nylon Dock Line - White
Seachoice
$10.09 $6.99Seachoice 3-Strand Twisted Nylon Dock Line - White Extremely strong rope with 10" eye splice (3 /4" rope: 18" eye splice) Designed to absorb sudden shock loads Very good resistance to abrasion, rot, oils, gasoline and marine growth Clamshell packed- Part Number:
- seachoice-3nyldockline
- Availability:
- In Stock - Ships same or next business day.
- Color:
- White
- Material:
- Nylon
$10.09 $6.99 -
Seachoice Marine Boat Fiberglass Telescoping Outrigger Pole 15' White and Blue 88201
Seachoice
$226.99 $159.99Seachoice Tele Outrigr Pole-15'White/Blue 50-88201 Telescoping fiberglass • 3-sections • Quality construction • Three chrome brass guides • Epoxy finish over fiberglass • Sold in...- Part Number:
- 50-88201
- Availability:
- In Stock - Ships same or next business day.
- Color:
- White / Blue
- Retracted:
- 67"
- Extended:
- 15'
- Base:
- 1-1/8"
- Pack:
- 1 pr.
$226.99 $159.99 -
Seachoice Safety Gear Bag (26 44980
Seachoice
$26.49 $23.99Seachoice Safety Gear Bag (26 44980 Large capacityMade of heavy duty nylon with red letteringNon-corrosive zippered top closure and carrying handlesKeeps contents dry and clean.- Part Number:
- 50-44980
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Safety Gear
- Size:
- 26" L x 12" W x 17" H
- Pack:
- Bulk
$26.49 $23.99 -
Seachoice Spring Shackle-2-1/4 2/Cd 54861
Seachoice
$8.34 $7.10Seachoice Spring Shackle-2-1/4 2/Cd 54861 Made of 1/4" zinc plated steelPunched to accept 9/16" splined shackle bolt Model 54911.- Part Number:
- 50-54861
- Availability:
- In Stock - Ships same or next business day.
- Center to Center:
- 2-1/4"
- Width:
- 1-1/4"
- Dia.:
- 9/16"
- Pack:
- 1 pr.
$8.34 $7.10 -
Seachoice Square U 1/2-13 x 3-1/16 x 6-5/16 57471
Seachoice
$12.29 $9.46Seachoice Square U 1/2-13 x 3-1/16 x 6-5/16 57471 Made of galvanized steelInclude nuts and lock washersCovers most U-Bolt applicationsOne per card or in bulk.- Part Number:
- 50-57471
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 1/2"-13
- A:
- 3-1/16"
- B:
- 6-5/16"
- C:
- 2"
- Type:
- SQ
- For:
- -
$12.29 $9.46 -
Seachoice Throw Cushion Foam Red 5000Red-44940
Seachoice
$19.18 $17.99Seachoice Throw Cushion Foam Red 5000Red-44940 Type IV PFD Fully U.SCoast Guard Approved • Designed to be thrown to someone who has fallen overboardPE foam filling.- Part Number:
- 50-44940
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Red
- Size:
- 15" x 15"
$19.18 $17.99 -
Seachoice Utility Hook-1 1/4 (2/Pk) 71411
Seachoice
$4.23Seachoice Utility Hook-1 1/4 (2/Pk) 71411 Corrosion resistant, light duty stainless steel lashing hooks for items requiring wall hangingIdeal for hammocksFasten with #8 pan head screws.- Part Number:
- 50-71411
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1-1/4" x 1-1/4"
- Pack:
- 1 pr.
$4.23 -
Seachoice Water Dragon W/SS Cov 6Led Blue 50-03601
Seachoice
$239.02 $159.99Seachoice Water Dragon W/SS Cov 6Led Blue 50-03601 Anodized die-cast aluminum body • Thermal overheat protection • Operates at 9 - 30V DC • TecSeal Urethane Potting - Guaranteed Circuit Board...- Part Number:
- 50-03601
- Availability:
- In Stock - Ships same or next business day.
- Lumens:
- 2700
- LEDs:
- 6
- LED Color:
- Blue
- Bezel:
- Stainless Steel
$239.02 $159.99 -
Sierra Marine Boat Ignition Switch MP39730
Sierra
$31.99 $26.99Sierra Switch Mp39730 All amperage ratings are at 12V DC. Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder lock and contact plate.Brass Switches: Traditional corrosion resistant...- Part Number:
- 11-MP39730
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Magneto
- Material:
- Polyester
- Max Panel Thickness:
- 5/8"
- Terminals:
- 7 Screw
- Boot:
- No
- Mtg Hole:
- 7/8"
$31.99 $26.99 -
Taylor Teak Flag Pole 3/4X18 60749
Taylor
$28.49 $21.99Taylor Teak Flag Pole 3/4X18 60749Teak flag pole offers traditional beauty because of its intricate grain patterns and color variations. The high oil content of the wood keeps it from deteriorating or warping in the harsh marine environment of sun; wind;...- Part Number:
- 32-60749
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3/4" x 18"
$28.49 $21.99 -
Tiedown Engineering Swivel Bracket 86115
Tiedown Engineering
$4.23Tiedown Engineering Swivel Bracket 86115Use with adjustable bolster brackets for proper angle of bunk or bolster boards. Hot dip galvanized for lasting protection. Packaged product comes in pairs with 1/2" x 1" bolts and 1/2" nyloc nuts, bulk product are...- Part Number:
- 241-86115
- Availability:
- In Stock - Ships same or next business day.
- Pack:
- Bulk
$4.23 -
Ancor 2-1/2 S/S Cushion Clamps (10 404252
Ancor
$28.09 $20.20Ancor 2-1/2 S/S Cushion Clamps (10 404252Temperature, water, fuel, oil and acid resistant. T304 stainless steel for corrosion resistance. Meets ABYC Specs. 10/pack.- Part Number:
- 639-404252
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2-1/2" ID
- Pack:
- 10
$28.09 $20.20 -
Ancor Cable #4 Red 32 Length 189135
Ancor
$46.69 $20.13Ancor Cable #4 Red 32 Length 189135Manufactured with Ancor's premium UL1426 tin copper battery cable. Flame retardant, UV inhibited, rated to 600V and 105°, celsius. Lugs are tin copper to avoid corrosion and last longer. Each end has a piece of...- Part Number:
- 639-189135
- Availability:
- In Stock - Ships same or next business day.
- Gauge:
- 4
- Color:
- Red
- Length:
- 32"
- Stud:
- 3/8"
$46.69 $20.13 -
Attwood Marine Switch-2P Push Pull 7563-6
Attwood Marine
$12.09 $10.36Attwood Marine Switch-2P Push Pull 7563-6Fits 3/8" diameter. Chrome-plated knob, brass case. Include screw terminals for connection without a wire lug. For 12-volt D.C. only. Not external ignition protected.- Part Number:
- 23-75636
- Availability:
- In Stock - Ships same or next business day.
- Positions:
- 2
- Panel Thickness:
- 1"
$12.09 $10.36 -
Bearing Buddy 1.968 Bearing Buddy 2/Cd 42604
Bearing Buddy
$43.49 $37.99Bearing Buddy 1.968 Bearing Buddy 2/Cd 42604 Prevents wheel bearing failure on boat, snowmobile, ATV, RV and utility trailers. Keeps water and dirt out of hubs and bearings. Eliminates bearing repacking Grease level easily checked Stainless steel...- Part Number:
- 176-42604
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 1968-SS
- Size:
- 1.968"
- Bearing Cup:
- M12649
- Pack:
- 2
$43.49 $37.99
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.