Boat Accessories and Supplies
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Sea-Dog Line Top Cap 1" Hd Stainless 270111-1
SEA-DOG LINE
$18.25 $13.64Sea-Dog Line Top Cap 1" Hd Stainless 270111-1 Top Fittings create an attachment point and function as a pivot point as part of a Bimini top system. For use as a top cap for 7/8”-1-1/8” round tubing or as an insert for 3/4” or 7/8”...- Part Number:
- 354-2701111
- Availability:
- In Stock - Ships same or next business day.
- Material:
- 316 Stainless
- Tube O.D.:
- 1"
- Pin:
- 5/16"
$18.25 $13.64 -
Sea-Dog Line Windshield/Door Bumper Pad Black 324390-1
SEA-DOG LINE
$3.56Sea-Dog Line Windshield/Door Bumper Pad Black 324390-1- Part Number:
- 354-3243901
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- A:
- 3/4"
- B:
- 3/16"
- C:
- 3/8"
- D:
- 1/8"
$3.56 -
Seachoice 18 Varnished Flag Pole 77021
Seachoice
$16.49 $11.99Seachoice 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 $11.99 -
Seachoice Int Eye End - 3/4 - Black 76011
Seachoice
$4.59 $4.09Seachoice Int Eye End - 3/4 - Black 76011 Manufactured from high impact, super tough nylonOffers superior performance.- Part Number:
- 50-76011
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- Fits:
- 3/4" OD Tube
- Pack:
- 1 pr.
$4.59 $4.09 -
Seachoice Orange Adult Life Vest Epe1110Ak1Auo-85520
Seachoice
$14.99 $11.34Seachoice Orange Adult Life Vest Epe1110Ak1Auo-85520 Type II PFDFully U.SCoast Guard Approved • PE foam fillingDesigned specifically to provide minimum buoyancy and turn unconscious person face up in calm water situations.- Part Number:
- 50-85520
- Availability:
- In Stock - Ships same or next business day.
- Size:
- Adult
- Weight:
- 90 lbs & up
- Chest:
- 30" - 52"
- Color:
- Orange
$14.99 $11.34 -
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 Square U-Bolt-1 5/8 x 3 9/16 57321
Seachoice
$8.31 $7.07Seachoice Square U-Bolt-1 5/8 x 3 9/16 57321 Made of galvanized steelInclude nuts and lock washersCovers most U-Bolt applicationsOne per card or in bulk.- Part Number:
- 50-57321
- Availability:
- In Stock - Ships same or next business day.
- Thread:
- 3/8"-16
- A:
- 1-5/8"
- B:
- 3-9/16"
- C:
- 1-3/4"
- Type:
- SQ
- For:
- Axle U-Bolt plates
$8.31 $7.07 -
Seachoice Stainless Steel Plow Anchor
Seachoice
$357.09 $228.36Seachoice Stainless Steel Plow Anchor Stainless Steel quick setting design provides stability and high holding powerPerfect for sand, pebble, rock, grass, kelp and coral bottoms.- Part Number:
- seachoice-ssplow
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Stainless Steel
- Type:
- Plow
$357.09 $228.36 -
Seachoice Underwater Green Light Strip 8 3421
Seachoice
$35.99 $23.99Seachoice Underwater Green Light Strip 8 3421 Waterproof12V DCPre-drilled to accommodate #8 screws (included).- Part Number:
- 50-03421
- Availability:
- In Stock - Ships same or next business day.
- Lumens:
- 24
- Watts:
- 0.72
- LEDs:
- 12
- LED Color:
- Green
- Size:
- 8" L x 1/2" W
$35.99 $23.99 -
Sierra Ignition Switch 4 Position Mp41040
Sierra
$32.19 $25.99Sierra Ignition Switch 4 Position Mp41040All 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...- Part Number:
- 11-MP41040
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Conventional
- Material:
- Polyester
- Max Panel Thickness:
- 1-1/8"
- Terminals:
- 4 Screw
- Boot:
- Yes
- Mtg Hole:
- 7/8"
$32.19 $25.99 -
Sierra Oil Pressure Switch Universal Op72533
Sierra
$27.19 $24.99Sierra Oil Pressure Switch Universal Op72533For I/O and inboard installations which require a method to shut off the fuel pump when the engine fails or is shut down. This switch senses low oil pressure and shuts the fuel pump off. 3-wire hookup to...- Part Number:
- 11-OP72533
- Availability:
- In Stock - Ships same or next business day.
$27.19 $24.99 -
CRC Wheel Bearing Grease 14oz Can Sl3121
CRC
$21.79 $13.64CRC Wheel Bearing Grease 14oz Can Sl3121For boat trailer & 4x4 wheel bearingsA blue tacky, aluminum complex grease using a highly refined base oil formulated with a polymer to provide adhesive, non-blend and water wash-out characteristics. Will resist...- Part Number:
- 77-SL3121
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 14 oz. Can
$21.79 $13.64 -
Perko Rod Holder Cap & Gasket Kit 0481Dp0Black
Perko
$25.19 $21.99Perko Rod Holder Cap & Gasket Kit 0481Dp0Black Soft black flange gasket with integral flip-up cap and soft black lip. Use as replacement or as upgrade for older holders.- Part Number:
- 9-0481DP0BLK
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 452DPSTS
$25.19 $21.99 -
SE Sport Hydro Foil 300 Black 71614
SE Sport
$104.39 $86.81SE Sport Hydro Foil 300 Black 71614High Performance Hydrofoils streamlined for speed. The SE Sport will improve handling and provide better maneuverability with a smoother ride. Features Turbo Trac to enhance thrust and control. Crescent shaped surface...- Part Number:
- 779-SE300BLK
- Availability:
- In Stock - Ships same or next business day.
- Description:
- SE Sport 300 - 40-350 HP
- Color:
- Black
$104.39 $86.81 -
Sea-Dog Line Boat Hook Kepper Plate Only 491056-1
SEA-DOG LINE
$9.95 $8.99Sea-Dog Line Boat Hook Kepper Plate Only 491056-1 The Boat Hook Mooring Buoy Snap Kit is the convenient and easy solution for attaching a mooring line to a buoy or cleat. Using the included keeper plate, these channeled snaps fit onto the end of boat...- Part Number:
- 354-4910561
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Boat Hook Keeper Plate Only
- Fastener:
- #8 FH
$9.95 $8.99 -
Sea-Dog Line Flag Staff with Adjustable Clips 328112-1
SEA-DOG LINE
$23.50 $22.09Sea-Dog Line Flag Staff with Adjustable Clips 328112-1Heavy wall polished stainless steel flagpole with injection molded nylon and polypropylene fittings. The flag is attached to the flagpole using nylon pennant mounts with stainless steel spring wire...- Part Number:
- 354-3281121
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 1/2" x 16-3/4"
$23.50 $22.09 -
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 -
Special Order! See availaility for details
Sea-Dog Line Nylon Gear Hammock 671100-1
SEA-DOG LINE
$12.75 $11.99Sea-Dog Line Nylon Gear Hammock 671100-1- Part Number:
- 354-6711001
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 60"
$12.75 $11.99 -
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
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.