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Premium Marine Quality Parts

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Seadog 328064 Unpolished Medium Anchor Bow Roller | 1-1/2" Max Rope Diameter | 3/8" Bolt Fastener - 328064 - 354-328064F1

Sea-Dog Line, Anchoring
$495.69

These corrosion resistant stamped 304 stainless steel Fairlead Bow Rollers are easy to use and reduces the risk of damage to the hull or deck. The rubber wheels accommodate rope up to 1-1/2" in diameter. Installs with 3/8" bolts (not included).

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Seadog 328068 Pivoting Medium Bow Roller | 1-1/2" Max Rope Diameter | 3/8" Bolt Fastener - 328068 - 354-328068F1

Sea-Dog Line, Lines & Rigging
$668.79

These corrosion resistant stamped 304 stainless steel Pivoting Medium Bow Rollers are designed to create a self-launching anchor system. As the anchor line is played out, the anchor roller pivots downward under the weight of the anchor, allowing it to fall freely into the water. The rubber wheel accommodates rope up to 1-1/2" in diameter. Installs with 3/8" bolts (not included).

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Seadog 328074 Large Anchor Bow Roller | 1-1/2" Max Rope Diameter - 328074 - 354-328074F1

Sea-Dog Line, Anchoring
$653.49

These corrosion resistant stamped 304 stainless steel Fairlead Bow Rollers are easy to use and reduces the risk of damage to the hull or deck. The rubber wheels accommodate rope up to 1-1/2" in diameter. Installs with 3/8" bolts (not included).

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Seadog 328076 Large Platform Bow Roller | 1-1/2" Max Rope Diameter | 3/8" Bolt Fastener - 328076 - 354-328076F1

Sea-Dog Line, Lines & Rigging
$243.69

These corrosion resistant stamped 304 stainless steel Large Platform Bow Rollers are designed to handle most fluke style anchors and mount in or under the anchor slot of a platform or bow plank. The rubber wheel accommodates rope up to 1-1/2" in diameter. Installs with six 3/8" bolts (not included).

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Seadog 328079 Large Anchor Bow Roller 328074 Replacement Wheel - 5 Pieces Per Pack - 328079-1 - 354-3280791F1

Sea-Dog Line, Anchoring
$46.99

Replacement wheel for large anchor bow roller.

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Seadog 328112 Adjustable 17" Bow Form Flagpole - 328112-1 - 354-3281121F1

Sea-Dog Line, Lines & Rigging
$33.89

Highly polished, heavy wall stainless steel tubing with injection molded nylon and polypropylene fittings. The flag is attached to the flag pole using nylon adjustable flag pole clips in conjunction with stainless steel spring wire quick release clips allowing mounting flexibility for a variety of flag or pennant sizes. Maximum safe speed 10 MPH.

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Seadog 329100 White Adjustable Antenna Base - 1/4" Fastener - 329100-1 - 354-3291001F1

Sea-Dog Line, Radios & Antennas
$36.80

Injection molded UV stabilized nylon construction with dual swiveling mounts for full adjustability. Designed to feed the antenna wire directly through the base eliminating the need for a separate cable outlet, reducing potential areas for water leakage. The control knob allows for quick and easy adjustment diminishing the potential of mooring, fishing or other lines getting fouled on a handle. Accepts any standard antenna with 1" - #14 threads. Installs with four 1/4 FH fasteners (not included).

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Seadog 329532 Stainless Antenna Extension, 12" - 329532-1 - 354-3295321F1

Sea-Dog Line, Radios & Antennas
$76.29

Machined 304 stainless steel antenna base extension mast. Features standard 1"-14 thread. Male and female fittings. One section.

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Seadog 329536 Stainless Antenna Extension, 24" - 329536-1 - 354-3295361F1

Sea-Dog Line, Radios & Antennas
$114.99

Machined 304 stainless steel antenna base extension mast. Features standard 1"-14 thread. Male and female fittings. One section.

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Seadog 331320 Cowl Vent With Base - Uses 3" Hose - #8 Fastener - 331320-1 - 354-3313201F1

Sea-Dog Line, Hoses, Clamps & Fittings
$93.39

Cowl Vent with Base provides fresh air below decks by trapping air that comes across the top deck and forcing it into your boat's cabin or interior. Stamped 304 stainless steel construction with black plastic base. Designed for use with 3" ventilation hose. Installs with four #8 FH fasteners (not included).

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Seadog 3313801 Louvered Vent, 2-5/8" H X 5" W - 331380-1 - 354-3313801F1

Sea-Dog Line, Lines & Rigging
$11.99

Promotes air circulation to prevent mold, mildew and unpleasant odors. Use on cabin doors, lockers, dock boxes, etc. Install with #6 RH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction.

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Seadog 3313901 Louvered Vent, 5" H X 4-5/8" W - 331390-1 - 354-3313901F1

Sea-Dog Line, Lines & Rigging
$16.99

Promotes air circulation to prevent mold, mildew and unpleasant odors. Use on cabin doors, lockers, dock boxes, etc. Install with #6 RH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction.

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Seadog 3314001 Louvered Vent, 9-1/8" H X 4-5/8" W - 331400-1 - 354-3314001F1

Sea-Dog Line, Lines & Rigging
$28.99

Promotes air circulation to prevent mold, mildew and unpleasant odors. Use on cabin doors, lockers, dock boxes, etc. Install with #6 RH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction.

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Seadog 3314051 Oval Louvered Vent, Stainless Steel - 331405-1 - 354-3314051F1

Sea-Dog Line, Hoses, Clamps & Fittings
$38.79

Oval Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. Vent area 2.94 sq in.

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Seadog 3314101 Louvered Vent, 9" H X 5" W - 331410-1 - 354-3314101F1

Sea-Dog Line, Lines & Rigging
$30.17

Promotes air circulation to prevent mold, mildew and unpleasant odors. Use on cabin doors, lockers, dock boxes, etc. Install with #6 RH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction.

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Seadog 335680 Adjustable Bronze Deck Plate Key - 6" Max Opening - 335680-1 - 354-3356801F1

Sea-Dog Line, Lines & Rigging
$88.49

Opens to a max of 6" and comes with two sizes of stainless steel pins 3/16" and 5/16" allowing it to fit most plates or caps. Satin finished bronze. Heavy duty constructionGreat addition to every tool boxCorrosion resistant

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Seadog 3361401, Smooth Finish Quarter-Turn Deck Plate,White,, A:4-1/2" , B:6-1/8", C:4-1/2", D:5-3/8 - 336140-1 - 354-3361401F1

Sea-Dog Line, Lines & Rigging
$23.59

Sea-Dog's Quarter-Turn Deck Plate is UV stabilized and features a locking system that prevents over tightening, jamming and cross threading. Easy to open and close. A specially engineered lubricated gasket is used in conjunction with a knife edge for a leak tested seal. Injection molded ABS/polycarbonate. Note: Avoid contact with acetone or strong solvents.

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Seadog 3361501 Smooth Finish Quarter-Turn Deck Plate, White,, A: 5-1/2" , B:6-3/4", C:5-3/8", D:6-1/8" - 336150-1 - 354-3361501F1

Sea-Dog Line, Lines & Rigging
$19.49

Sea-Dog's Quarter-Turn Deck Plate is UV stabilized and features a locking system that prevents over tightening, jamming and cross threading. Easy to open and close. A specially engineered lubricated gasket is used in conjunction with a knife edge for a leak tested seal. Injection molded ABS/polycarbonate. Note: Avoid contact with acetone or strong solvents.

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Seadog 3361521 Smooth Finish Quarter-Turn Deck Plate, White, , A: 5-1/2" , B:6-3/4", C:5-3/8", D:6-1/8" - 336152-1 - 354-3361521F1

Sea-Dog Line, Lines & Rigging
$19.49

Sea-Dog's Quarter-Turn Deck Plate is UV stabilized and features a locking system that prevents over tightening, jamming and cross threading. Easy to open and close. A specially engineered lubricated gasket is used in conjunction with a knife edge for a leak tested seal. Injection molded ABS/polycarbonate. Note: Avoid contact with acetone or strong solvents.

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Seadog 3361551 Smooth Finish Quarter-Turn Deck Plate, Black, , A: 5-1/2" , B:6-3/4", C:5-3/8", D:6-1/8" - 336155-1 - 354-3361551F1

Sea-Dog Line, Lines & Rigging
$18.89

Sea-Dog's Quarter-Turn Deck Plate is UV stabilized and features a locking system that prevents over tightening, jamming and cross threading. Easy to open and close. A specially engineered lubricated gasket is used in conjunction with a knife edge for a leak tested seal. Injection molded ABS/polycarbonate. Note: Avoid contact with acetone or strong solvents.

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Seadog 3361571 Smooth Finish Quarter-Turn Deck Plate, Black,, A: 5-1/2" , B:6-3/4", C:5-3/8", D:6-1/8" - 336157-1 - 354-3361571F1

Sea-Dog Line, Lines & Rigging
$19.09

Sea-Dog's Quarter-Turn Deck Plate is UV stabilized and features a locking system that prevents over tightening, jamming and cross threading. Easy to open and close. A specially engineered lubricated gasket is used in conjunction with a knife edge for a leak tested seal. Injection molded ABS/polycarbonate. Note: Avoid contact with acetone or strong solvents.

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Seadog 3361651 Smooth Finish Quarter-Turn Deck Plate, Black,A:6-1/2" , B:8-1/8", C:6-1/2", D:7-3/8" - 336165-1 - 354-3361651F1

Sea-Dog Line, Lines & Rigging
$31.69

Sea-Dog's Quarter-Turn Deck Plate is UV stabilized and features a locking system that prevents over tightening, jamming and cross threading. Easy to open and close. A specially engineered lubricated gasket is used in conjunction with a knife edge for a leak tested seal. Injection molded ABS/polycarbonate. Note: Avoid contact with acetone or strong solvents.

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Seadog 337315 Hose Thru Vent, 3" White - 337315 - 354-337315F1

Sea-Dog Line, Hoses, Clamps & Fittings
$6.59

Hose Thru Vents are designed for cabin or bilge ventilation. Constructed of UV resistant injection molded ABS. For use with 3" or 4" exhaust hose. Installs with four #8 FH fasteners (not included). Avoid contact with acetone or strong solvents.

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Seadog 337325 Hose Thru Vent, 3" Black - 337325 - 354-337325F1

Sea-Dog Line, Hoses, Clamps & Fittings
$5.82

Hose Thru Vents are designed for cabin or bilge ventilation. Constructed of UV resistant injection molded ABS. For use with 3" or 4" exhaust hose. Installs with four #8 FH fasteners (not included). Avoid contact with acetone or strong solvents.

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Seadog 337415 Hose Thru Vent, 4" White - 337415 - 354-337415F1

Sea-Dog Line, Hoses, Clamps & Fittings
$7.29

Hose Thru Vents are designed for cabin or bilge ventilation. Constructed of UV resistant injection molded ABS. For use with 3" or 4" exhaust hose. Installs with four #8 FH fasteners (not included). Avoid contact with acetone or strong solvents.

Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.