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Premium Marine Quality Parts

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Seadog Anchor Swivel | Investment Cast 316 Stainless Steel - 182612-1 - 354-1826121F1

Sea-Dog Line, Hoses, Clamps & Fittings
$209.59

Investment cast AISI 316 stainless steel swivel anchor connectors are designed to easily slide over anchor rollers, preventing snagging, minimizing wear on the bow roller and windlass. These precision, high quality swivels feature double locking pins for extra security. Can be used between anchor and chain or between chain and line.

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Seadog Berth Light - 400400-1 - 354-4004001F1

Sea-Dog Line, Lighting
$123.49

This Birth Light is constructed of machined and stamped brass and a lacquer coating to prevent tarnish with solid brass knurled adjusting knobs. The interior surface of the lamp shade is white enamel to reflect more light. Prewired with integral on/off switch. Includes a 15-watt DC double contact bayonet style bulb. Can be converted to LED with bayonet bulb socket adapter (442042-1) BA150 style base and G4 bulb (sold separately). Designed for bulkhead or wall mounting. Installs with three #6 RH fasteners (not included). 12VDC.

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Seadog Bilge Water Alarm Panel W/Pump Switch - 423035-1 - 354-4230351F1

Sea-Dog Line, Power Distribution
$68.99

Provides an audible and visual means of warning if the water level in your bilge is beyond your bilge pump float switch level. There is no need for a separate bilge pump switch as the control switch selects between automatic and manual (momentary on) function of the bilge pump. Rated at 15 Amps.Not for use with pumps that have built-in switches.

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Seadog Bow Chocks - 316 Stainless Steel - 060040-1 - 354-0600401F1

Sea-Dog Line, Hoses, Clamps & Fittings
$62.69

Corrosion resistant investment cast 316 stainless bow chocks provide a smooth lead for your mooring or dock lines minimizing deck abrasion of working lines under load. Rounded edges and proper slant prevent chafing. Sold as a pair of left and right bow chocks. Installs with two FH fasteners (not included).

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Seadog Bow Chocks - 316 Stainless Steel - 060043-1 - 354-0600431F1

Sea-Dog Line, Hoses, Clamps & Fittings
$98.49

Corrosion resistant investment cast 316 stainless bow chocks provide a smooth lead for your mooring or dock lines minimizing deck abrasion of working lines under load. Rounded edges and proper slant prevent chafing. Sold as a pair of left and right bow chocks. Installs with two FH fasteners (not included).

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Seadog Buss Bar Stud Terminal, 100A - 426718-1 - 354-4267181F1

Sea-Dog Line, Wiring & Connectors
$20.47

These Buss Bar Stud Terminal Blocks are primarily used to route and connect power or ground circuits. The raised bus provides easy access on a single stud, making it useful for consolidating multiple wires or feeding multiple circuits. Constructed of tin plated brass and ABS. Maximum: 48VDC. Installs with #10 RH fasteners (not included).

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Seadog Buss Bar Stud Terminal, 150A - 426728-1 - 354-4267281F1

Sea-Dog Line, Wiring & Connectors
$40.61

These Buss Bar Stud Terminal Blocks are primarily used to route and connect power or ground circuits. The raised bus provides easy access on a single stud, making it useful for consolidating multiple wires or feeding multiple circuits. Constructed of tin plated brass and ABS. Maximum: 48VDC. Installs with #10 RH fasteners (not included).

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Seadog Buss Bar Stud Terminal, 250A - 426738-1 - 354-4267381F1

Sea-Dog Line, Wiring & Connectors
$63.24

These Buss Bar Stud Terminal Blocks are primarily used to route and connect power or ground circuits. The raised bus provides easy access on a single stud, making it useful for consolidating multiple wires or feeding multiple circuits. Constructed of tin plated brass and ABS. Maximum: 48VDC. Installs with #10 RH fasteners (not included).

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Seadog Butt Hinge With Bearings | Commercial Pattern | Investment Cast 316 Stainless | 1/4" Fastener - 205242 - 354-205242F1

Sea-Dog Line, Lines & Rigging
$72.39

Constructed of investment cast 316 stainless steel these Butt Hinges are designed for applications where both extra strength and corrosion resistance are required. The integral nylon bearings promote rattle-free, silent movement and give the hinge a smoother action. The bearings also disburse the weight of the door compensating for heavier doors and increased use. Commercial ANSI templated screw hole pattern. Installs with eight 1/4" FH fasteners (not included).

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Seadog Butt Hinge With Bearings | Commercial Pattern | Investment Cast 316 Stainless | 1/4" Fastener - 205243 - 354-205243F1

Sea-Dog Line, Lines & Rigging
$85.19

Constructed of investment cast 316 stainless steel these Butt Hinges are designed for applications where both extra strength and corrosion resistance are required. The integral nylon bearings promote rattle-free, silent movement and give the hinge a smoother action. The bearings also disburse the weight of the door compensating for heavier doors and increased use. Commercial ANSI templated screw hole pattern. Installs with eight 1/4" FH fasteners (not included).

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Seadog Butt Hinge With Bearings | Commercial Pattern | Investment Cast 316 Stainless | 1/4" Fastener - 205244 - 354-205244F1

Sea-Dog Line, Lines & Rigging
$96.59

Constructed of investment cast 316 stainless steel these Butt Hinges are designed for applications where both extra strength and corrosion resistance are required. The integral nylon bearings promote rattle-free, silent movement and give the hinge a smoother action. The bearings also disburse the weight of the door compensating for heavier doors and increased use. Commercial ANSI templated screw hole pattern. Installs with eight 1/4" FH fasteners (not included).

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Seadog Butt Hinge With Bearings | Commercial Pattern | Investment Cast 316 Stainless | 1/4" Fastener - 205246 - 354-205246F1

Sea-Dog Line, Lines & Rigging
$119.39

Constructed of investment cast 316 stainless steel these Butt Hinges are designed for applications where both extra strength and corrosion resistance are required. The integral nylon bearings promote rattle-free, silent movement and give the hinge a smoother action. The bearings also disburse the weight of the door compensating for heavier doors and increased use. Commercial ANSI templated screw hole pattern. Installs with eight 1/4" FH fasteners (not included).

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Seadog Cast Polished Brass Bell - #6 Fastener - 455001 - 354-455001F1

Sea-Dog Line, Lines & Rigging
$154.99

These Bells are constructed of improved cast brass (not lower grade spun brass). Meets Coast Guard, ABYC, and NMMA requirements (200 cm mouth opening and striker mass no less than 3% of mass of the bell) for use on vessels 12m (39.4") to 20m (65.6") in length. Includes hanger and wall mounted bracket for easy installation. Installs with two #6 FH fasteners (not included). Chrome plated finish.

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Seadog Cast Polished Brass Bell | #6 Fastener - 455720 - 354-455720F1

Sea-Dog Line, Lines & Rigging
$237.59

These Bells are constructed of improved cast brass (not lower grade spun brass). 8" Bells meets Coast Guard, ABYC, and NMMA requirements (200 cm mouth opening and striker mass no less than 3% of mass of the bell) for use on vessels 12m (39.4') to 20m (65.6') in length. Includes hanger and wall mounted bracket for easy installation. Installs with two #6 FH fasteners (not included). Mirror polished brass finish.

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Seadog Cast Polished Brass Bell | #6 Fastener - 455721 - 354-455721F1

Sea-Dog Line, Lines & Rigging
$256.99

These Bells are constructed of improved cast brass (not lower grade spun brass). 8" Bells meets Coast Guard, ABYC, and NMMA requirements (200 cm mouth opening and striker mass no less than 3% of mass of the bell) for use on vessels 12m (39.4') to 20m (65.6') in length. Includes hanger and wall mounted bracket for easy installation. Installs with two #6 FH fasteners (not included). Chrome plated finish.

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Seadog Chain Stopper Formed 304 Stainless Steel - 321820-1 - 354-3218201F1

Sea-Dog Line, Hoses, Clamps & Fittings
$101.39

Constructed of formed 304 stainless steel for strength and corrosion resistance, these Chain Stoppers help prevent damage to the windlass and reduce the risk of accidental free fall of the anchor while under way. Chain Stoppers mount alone or inside most bow rollers and work with your anchor roller to take tension off your windlass. Chain and rope should be secured at anchor when your windlass is not in use to avoid high loads the windlass was not designed for.Fits chain sizes 3/16"- 1/4".

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Seadog Chain Stopper Formed 304 Stainless Steel - 321825-1 - 354-3218251F1

Sea-Dog Line, Hoses, Clamps & Fittings
$135.29

Constructed of formed 304 stainless steel for strength and corrosion resistance, these Chain Stoppers help prevent damage to the windlass and reduce the risk of accidental free fall of the anchor while under way. Chain Stoppers mount alone or inside most bow rollers and work with your anchor roller to take tension off your windlass. Chain and rope should be secured at anchor when your windlass is not in use to avoid high loads the windlass was not designed for.Fits chain sizes 5/16"- 3/8".

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Seadog Clam Shell Vent | Stamped 304 Stainless | #6 Fastener - 331335-1 - 354-3313351F1

Sea-Dog Line, Lines & Rigging
$52.19

Clam shell ventilators provide splash protection for vent holes, wire or cable runs and blower-exhaust hose openings. 304 stamped stainless steel construction. Can be used for cabin ventilation with dorade boxes. Great for locker vents. Clam shell vents are ideal for applications where a taller vent would foul lines or restrict crew movement. Pre-drilled holes for a smooth screw on installation. #6 RH fasteners not included.

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Seadog Clam Shell Vent | Stamped 304 Stainless | #6 Fastener - 331340-1 - 354-3313401F1

Sea-Dog Line, Lines & Rigging
$82.79

Clam shell ventilators provide splash protection for vent holes, wire or cable runs and blower-exhaust hose openings. 304 stamped stainless steel construction. Can be used for cabin ventilation with dorade boxes. Great for locker vents. Clam shell vents are ideal for applications where a taller vent would foul lines or restrict crew movement. Pre-drilled holes for a smooth screw on installation. #6 RH fasteners not included.

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Seadog Clam Shell Vent | Stamped 304 Stainless | #6 Fastener - 331350-1 - 354-3313501F1

Sea-Dog Line, Lines & Rigging
$88.39

Clam shell ventilators provide splash protection for vent holes, wire or cable runs and blower-exhaust hose openings. 304 stamped stainless steel construction. Can be used for cabin ventilation with dorade boxes. Great for locker vents. Clam shell vents are ideal for applications where a taller vent would foul lines or restrict crew movement. Pre-drilled holes for a smooth screw on installation. #6 RH fasteners not included.

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Seadog Combination Soft Bristle Brush & Squeegee - 491075-1 - 354-4910751F1

Sea-Dog Line, Lines & Rigging
$28.89

The Boat Hook Combination Soft Bristle Brush & Squeegee fits all Sea-Dog® Boat Hooks and universal/Acme threaded devices. This soft brush is constructed of injection molded nylon with a marine grade silicone rubber squeegee. Soft bristles are scratch resistant for gelcoat, paint, and plastic windows.

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Seadog Deck Step | Injection Molded Rubber & Stamped 304 Stainless - 328013-1 - 354-3280131F1

Sea-Dog Line, Fuel System
$57.19

This Deck Step is lined with injection molded rubber to facilitate traction and framed by stamped 304 stainless steel for corrosion resistance and durability.

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Seadog Deluxe Hand Held Rope Cutter - 300095-3 - 354-3000953F1

Sea-Dog Line, Lines & Rigging
$545.89

Easily cuts nylon, polyester, polypropylene and Dacron cordage and webbing Cuts and heat seals at the same timeReplaceable blade heats to 1100° Fahrenheit (600° Celsius) in less than 10 secondsBrass bristle cleaning brush, T-handle Allen wrench, and carrying case included10' heavy-duty grounded cordETL listed

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Seadog Double Pole Double Throw 8 Terminal Blade Light Tip 12V 15 Amp Toggle Switch - 420128-1 - 354-4201281F1

Sea-Dog Line, Wiring & Connectors
$53.59

Light Tip Toggle Switches are constructed of stamped brass and injection molded nylon with a polycarbonate toggle. Features a locking ring and lever seal to resist water penetration. Toggle bat features a lighted tip which is white in the OFF position and red in the ON position. Fits panels up to 1/4" thick and requires a 15/32" mounting hole. Easy installation. 15A @ 12VDC.

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Seadog Drain Tube Flaring Tool - 520290-1 - 354-5202901F1

Sea-Dog Line, Lines & Rigging
$45.79

Drain Tube Flaring Tools for installing 1" drain tubes. Can be used to install all of Sea-Dog® Drain Tubes (520210-520430). Handy item for any toolbox. Drain tube not included.

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.