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Premium Marine Quality Parts

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Sea-Dog 2991181 Snap Turn Buckle Eyelet & Washer, Nickel Plated Brass, 2 Sets - 299118-1 - 354-2991181F1

Sea-Dog Line, Lines & Rigging
$8.17

Nickel plated brass canvas fasteners. Excellent snap action and holding strength. Easy Installation.

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Sea-Dog 2991191 Snap Turn Buckle - #7 Brass Wood Screw, Nickel Plated Brass, 2 Sets - 299119-1 - 354-2991191F1

Sea-Dog Line, Lines & Rigging
$11.71

Nickel plated brass canvas fasteners. Excellent snap action and holding strength. Easy Installation.

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Sea-Dog 3-Position Two Circuit Switch - 420400-1 - 354-4204001F1

Sea-Dog Line, Power Distribution
$36.69

Stamped brass. When pushed in all the way, the switch is turned off. When pulled to the first stop, the first circuit is activated. At the second stop the first circuit is deactivated and the second circuit is activated. 15 amps. 3/8" x 1" Shaft.

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Sea-Dog 3-Sided Bristle Brush, Medium, Yellow - 491080-1 - 354-4910801F1

Sea-Dog Line, Lines & Rigging
$37.79

These Boat Hook Three Sided Bristle Brushes fit all Sea-Dog® Boat Hooks and universal/Acme threaded devices. The medium bristles (yellow) are a good overall brush for textured and non-skid surfaces. Side bristles make it easy to clean in hard to reach places. 10-1/2" head is longer than industry standard, covering a larger cleaning area.

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Sea-Dog 3-Sided Bristle Brush, Soft, Blue - 491070-1 - 354-4910701F1

Sea-Dog Line, Lines & Rigging
$37.39

These Boat Hook Three Sided Bristle Brushes fit all Sea-Dog® Boat Hooks and universal/Acme threaded devices. Soft bristles (blue) are scratch resistant for gelcoat, paint, and plastic windows. Side bristles make it easy to clean in hard to reach places. 10-1/2" head is longer than industry standard, covering a larger cleaning area.

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Sea-Dog 3-Sided Bristle Brush, Stiff, White - 491090-1 - 354-4910901F1

Sea-Dog Line, Lines & Rigging
$41.89

These Boat Hook Three Sided Bristle Brushes fit all Sea-Dog® Boat Hooks and universal/Acme threaded devices. Stiff bristles (white) are effective for jobs below the waterline, teak, and other tough cleaning jobs. Side bristles make it easy to clean in hard to reach places. 10-1/2" head is longer than industry standard, covering a larger cleaning area.

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Sea-Dog 318001 Folding Grapnel Anchor 1.5 Lbs., A:1/4" , B:7", C:2-1/4", Boat Length:5'-10', Line/Length: 1/4"/35' , Chain/Length: 3/16"/7'-10" - 318001 - 354-318001F1

Sea-Dog Line, Anchoring
$23.39

These grapnel Folding Anchors are designed with four arms that fold flat against the shank for compact storage. Constructed of hot dipped, galvanized iron with forged flukes. Lockable in opened or closed position. Ideal for inflatable boats as there are no open flukes to puncture the sensitive fabric. Great as a primary anchor on dinghies, PWC's, canoes, kayaks, and small sailboats they are also an inexpensive backup anchor on larger boats. Effective holding power in mud, sand, gravel, or rocky conditions.

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Sea-Dog 318003 Folding Grapnel Anchorr 3.5 Lbs, A:1/2" , B:12", C:2-7/8", Boat Length: 5'-12', Line/Length: 1/4"/35' , Chain/Length: 3/16"/7'-10" - 318003 - 354-318003F1

Sea-Dog Line, Anchoring
$43.99

These grapnel Folding Anchors are designed with four arms that fold flat against the shank for compact storage. Constructed of hot dipped, galvanized iron with forged flukes. Lockable in opened or closed position. Ideal for inflatable boats as there are no open flukes to puncture the sensitive fabric. Great as a primary anchor on dinghies, PWC's, canoes, kayaks, and small sailboats they are also an inexpensive backup anchor on larger boats. Effective holding power in mud, sand, gravel, or rocky conditions.

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Sea-Dog 318013 Folding Grapnel Anchor 13 Lbs, A:1/2" , B:21:1/2, C:4-3/4", Boat Length:14'-22', Line/Length: 3/8"/150', Chain Length: 3/16"/10'-20' - 318013 - 354-318013F1

Sea-Dog Line, Anchoring
$161.49

These grapnel Folding Anchors are designed with four arms that fold flat against the shank for compact storage. Constructed of hot dipped, galvanized iron with forged flukes. Lockable in opened or closed position. Ideal for inflatable boats as there are no open flukes to puncture the sensitive fabric. Great as a primary anchor on dinghies, PWC's, canoes, kayaks, and small sailboats they are also an inexpensive backup anchor on larger boats. Effective holding power in mud, sand, gravel, or rocky conditions. Recommended Line & Chain Sizes Shown (not included).

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Sea-Dog 318022 Folding Grapnel Anchor, 22 Lbs. A:1/2" , B:24-1/4", C:5", Boat Length: 22'-30', Line/Length: 3/8"150', Chain Length: 1/4"/10'-20' - 318022 - 354-318022F1

Sea-Dog Line, Anchoring
$321.99

These grapnel Folding Anchors are designed with four arms that fold flat against the shank for compact storage. Constructed of hot dipped, galvanized iron with forged flukes. Lockable in opened or closed position. Ideal for inflatable boats as there are no open flukes to puncture the sensitive fabric. Great as a primary anchor on dinghies, PWC's, canoes, kayaks, and small sailboats they are also an inexpensive backup anchor on larger boats. Effective holding power in mud, sand, gravel, or rocky conditions. Recommended Line & Chain Sizes Shown (not included).

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Sea-Dog 321422 Gas Filled Lift Spring - 321422-1 - 354-3214221F1

Sea-Dog Line, Lighting
$40.39

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 321424 Gas Filled Lift Spring - 321424-1 - 354-3214241F1

Sea-Dog Line, Lighting
$42.59

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214621 Gas Filled Lift Spring - 321462-1 - 354-3214621F1

Sea-Dog Line, Lighting
$44.49

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214631 Gas Filled Lift Spring - 321463-1 - 354-3214631F1

Sea-Dog Line, Lighting
$44.49

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214661 Gas Filled Lift Spring - 321466-1 - 354-3214661F1

Sea-Dog Line, Lighting
$42.19

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214731 Gas Filled Lift Spring - 321473-1 - 354-3214731F1

Sea-Dog Line, Lighting
$44.99

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214741 Gas Filled Lift Spring - 321474-1 - 354-3214741F1

Sea-Dog Line, Lighting
$44.99

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 321476 Gas Filled Lift Spring - 321476-1 - 354-3214761F1

Sea-Dog Line, Lighting
$44.99

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 321482 Gas Filled Lift Spring - 321482-1 - 354-3214821F1

Sea-Dog Line, Lighting
$46.69

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214831 Gas Filled Lift Spring - 321483-1 - 354-3214831F1

Sea-Dog Line, Lighting
$46.69

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214841 Gas Filled Lift Spring - 321484-1 - 354-3214841F1

Sea-Dog Line, Lighting
$46.69

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3214861 Gas Filled Lift Spring - 321486-1 - 354-3214861F1

Sea-Dog Line, Lighting
$46.69

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 321488 Gas Filled Lift Spring - 321488-1 - 354-3214881F1

Sea-Dog Line, Lighting
$51.99

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 321492 Gas Filled Lift Spring - 321492-1 - 354-3214921F1

Sea-Dog Line, Lighting
$51.99

Gas filled lift spring with unique multi-lobe seal. Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.

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Sea-Dog 3215811 90° Gas Lift Mount-Narrow - 321581-1 - 354-3215811F1

Sea-Dog Line, Lines & Rigging
$19.89

Gas Lift Mounts and ball studs are constructed of 304 stainless steel. Used for mounting gas filled lift springs. Installs with #10 RH fasteners (not included). 10 mm ball.

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.