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Premium Marine Quality Parts

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Flush mount socket is constructed of injection molded nylon & ABS. Installation is as easy as drilling a 1-1/8" hole, inserting the socket body, tightening the locking nut, and connecting the wires. M... More Details
This Instrument Hole Adapter allows you to replace an unused 4" gauge with two new 1-1/8" style gauges. Installs by placing the face plate in front of the dashboard then inserting the socket/meter in ... More Details
This Instrument Hole Adapter allows you to replace an unused 4" gauge with two new 1-1/8" style gauges. Installs by placing the face plate in front of the dashboard then inserting the socket/meter in ... More Details
This Instrument Hole Adapter is designed to install standard 1-1/8" gauges and meters into 2" instrument dash panel holes. The socket adapter installs by placing the face plate in front of the dashboa... More Details
The Wave LED Battery Test Rocker Switch Panel includes an illuminating rocker SPDT switch and bright LED display to monitor voltage of two batteries.... More Details
Fire resistant injection molded nylon w/6 illuminating switches. The Vertical 6-Gang Breaker Rocker Switch Panel features six 15A 12 VDC illuminated SPST On/Off rocker switches and six thermal AC/DC c... More Details
Aluminum Horizontal Rocker Switch Panel is constructed of stamped anodized aluminum. Features six 15A 12VDC illuminated SPST On/Off rocker switches and six 10A 12VDC fuse holders. Individual circuit 1... More Details
Vertical 6-Gang Rocker Switch Panel is constructed of fire resistant injection molded nylon. These panels are suitable for use in engine room compartments. Features six 15A 12VDC illuminated SPST On/O... More Details
Vertical 4-Gang Rocker Switch Panel is constructed of fire resistant injection molded nylon. These panels are suitable for use in engine room compartments. Features four 15A 12VDC illuminated SPST On/... More Details
Injection molded ABS for maximum durability and corrosion resistance. Additional splash guard makes this ideal for applications where the panel front might be subjected to light spray and water. Featu... More Details
The Bilge Water Alarm panel provides an audible and visual means of warning that water level in your bilge is beyond your bilge pump float switch level. Bilge pump should be hooked up to a switch. Rat... More Details
This Smart Dual Battery Isolator is ideal for dual battery applications. Allows two batteries to automatically charge at the same time and then isolates the batteries, ensuring the starting battery is... More Details
This Heavy Duty Battery selector switch has 380A continuous and 2000A cranking amps, giving it the power to start a large single or dual diesel engines. Can be surface or rear panel mounted. Ignition ... More Details
This Heavy Duty Battery selector switch has 380A continuous and 2000A cranking amps, giving it the power to start a large single or dual diesel engines. Can be surface or rear panel mounted. Ignition ... More Details
These Mini Battery Switches feature a removable knob for extra security. To remove, simply twist the cap to the out position and pull. Mini footprint makes it ideal for close quarters. Rated at 100A c... More Details
Temperature Meter includes a prewired temperature sensor with a 6' cable. Monitors temperature on a bright LED screen. Reverse polarity protected. Same compact round size as a standard 12 VDC receptac... More Details
The rainbow dial digital voltmeter gives the user quick visual color-coded voltage information. Red/yellow means the voltage is too low. Green means voltage is normal. The same compact round size as a... More Details
The rainbow dial digital voltmeter gives the user quick visual color-coded voltage information. Red/yellow means the voltage is too low. Green means voltage is normal. The same compact round size as a... More Details
Marine emergency cut-off Kill Switch attaches to your life vest while operating a boat or personal watercraft. Designed to instantly cut battery power when detached. The ignition (gray cap) version fu... More Details
Marine emergency cut-off Kill Switch attaches to your life vest while operating a boat or personal watercraft. Designed to instantly cut battery power when detached. The magneto (red cap) version func... More Details
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Sea-Dog 4204301 Foot Switch - 420430-1 - 354-4204301F1

Sea-Dog Line, Lines & Rigging
$84.29
Stamped 304 Stainless Steel/Rubber Cover. Switch is normally off and momentary on when depressed by foot.... More Details
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Sea-Dog 4204251 Waterproof Cap, Red - 420425-1 - 354-4204251F1

Sea-Dog Line, Lines & Rigging
$7.29
Waterproof red cap... More Details
Waterproof black cap... More Details
3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Short shaft fits panels up to 5/8" thick. Functions: Off-Ignition-Start.... More Details
3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Long shaft fits panels up to 1-1/8" thick. Functions: Off-Ignition-Start.... More Details
3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Short shaft fits panels up to 5/8" thick. Functions: Off-Ignition-Start.... More Details
3 Position polypropylene ignition/starter switch with 3 screw terminals. 13/16" Shaft dia. Long shaft fits panels up to 1-1/8" thick. Functions: Off-Ignition-Start.... More Details
Injection Molded Nylon. For standard and Contura rocker switches.... More Details
Injection Molded Nylon. For standard and Contura rocker switches.... More Details
Injection Molded Nylon. For standard and Contura rocker switches.... More Details
These Illuminating Rocker Switches are constructed of durable injection molded nylon and stamped brass. Illuminates in the ON position. Easy to install by simply snapping into a standard 7/8" x 1-7/16... More Details
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Sea-Dog 415211 Battery Terminal, Negative - 415211-1 - 354-4152111F1

Sea-Dog Line, Batteries & Charging
$10.11
Wing nut style battery terminals convert battery posts to stud connectors and permit quick disconnection from the battery. Polarity specific to meet USCG regulations. Die cast lead.... More Details
Wing nut style battery terminals convert battery posts to stud connectors and permit quick disconnection from the battery. Polarity specific to meet USCG regulations. Die cast lead.... More Details
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Sea-Dog 415057 Battery Tray, Group 27 - 415057-1 - 354-4150571F1

Sea-Dog Line, Batteries & Charging
$18.79
Injection Molded Polypropylene.... More Details
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Sea-Dog 415054 Battery Tray, Group 24 - 415054-1 - 354-4150541F1

Sea-Dog Line, Batteries & Charging
$21.19
Injection Molded Polypropylene.... More Details
Injection Molded Polypropylene.... More Details
Injection Molded Polypropylene.... More Details
New style slip-on hinge style wiper blades and arms. Wiper arms fit all standard and waterproof standard motors with 3/8" shaft diameter. Note, blades do not fit 413 series arms.... More Details
New style slip-on hinge style wiper blades and arms. Wiper arms fit all standard and waterproof standard motors with 3/8" shaft diameter. Note, blades do not fit 413 series arms.... More Details
All hook style wiper blades and arms are replacements for Sea-Dog® wipers sold prior to 1993. In addition, the hook style wiper blades and arms will fit most older wipers sold by AFI, Wilcox, NA Taylo... More Details
All hook style wiper blades and arms are replacements for Sea-Dog® wipers sold prior to 1993. In addition, the hook style wiper blades and arms will fit most older wipers sold by AFI, Wilcox, NA Taylo... More Details
New style slip-on hinge style wiper blades and arms. Wiper arms fit all standard and waterproof standard motors with 3/8" shaft diameter. Note, blades do not fit 413 series arms.... More Details
New style slip-on hinge style wiper blades and arms. Wiper arms fit all standard and waterproof standard motors with 3/8" shaft diameter. Note, blades do not fit 413 series arms.... More Details
LED Undermount Light Bar has 45° tilt. Osram LEDs provides for 3,200 lumens @ 40W. Constructed of powder coated die cast aluminum with a durable polycarbonate lens. IP67 rating. CE, RoHS compliant.... More Details
LED Undermount Light Bar has 45° tilt. Osram LEDs provides for 1,200 lumens @ 15W. Constructed of powder coated die cast aluminum with a durable polycarbonate lens. IP67 rating. CE, RoHS compliant.... More Details
These marine grade LED Cockpit Spreader Lights feature six 3W high intensity Epistar LEDs that produce 1440 lumens. The wide beam polycarbonate lens provides ample illumination for sail trim or deck w... More Details
These marine grade LED Cockpit Spreader Lights feature six 3W high intensity Epistar LEDs that produce 1440 lumens. The wide beam polycarbonate lens provides ample illumination for sail trim or deck w... More Details
The flood light is fully adjustable, the handle allows the light to be hung or propped at many different angles to illuminate the task at hand. Includes both a 12 VDC and 120 VAC charge adapter. Const... More Details
LED Flex-Neck Day/Night Light with USB is great for chart lighting or can be used as a reading, cabin, or berth light. Features 21 white LEDs and 3 red LEDs for night vision with a built-in, touch con... More Details
Excellent LED light dispersion and brightness, ideal for all accent lighting in cabins, walkways, cockpits, and interior compartments. Stylish stainless steel finish to compliment any interior. Recess... More Details
Excellent LED light dispersion and brightness, ideal for all accent lighting in cabins, walkways, cockpits, and interior compartments. Recessed to provide a sleek appearance. G4 LED bulb features 14 w... More Details
Excellent LED light dispersion and brightness, ideal for all accent lighting in cabins, walkways, cockpits, and interior compartments. Recessed to provide a sleek appearance. G4 LED bulb features 14 w... More Details
Excellent LED light dispersion and brightness, ideal for all accent lighting in cabins, walkways, cockpits, and interior compartments. Stylish stainless steel finish to compliment any interior. Recess... More Details
LED Push Button On/Off Switch is prewired for easy installation. Typically wired so LED ring lights up blue when pushing the center button, energizing the circuit. Push button constructed of aluminum ... More Details
This High Amp LED Push Button On/Off Switch lights up blue when pushing the center button, energizing the circuit. Installs easily. Wired with three spade terminals. Constructed of corrosion resistant... More Details
LED Push Button On/Off Switch is constructed of formed 304 stainless steel. Prewired for ease of installation. Typically wired so LED ring lights up blue when circuit is energized by pushing the cente... More Details
This LED Continuous Adjustment Dimmer Without On/Off Function is designed to work with lights that are internally switched. Ideal for Aurora Pop-Up Light (404610-3). A center touch sensor activates th... More Details
This LED Square Mirror Light features white and blue LED lights with a built-in, touch controlled on/dim/off switch. Touch the center button to switch between white, blue, and off. Continue to touch b... More Details
Stamped polished brass, lacquer coated to prevent tarnish. With the low current consumption of .068 amps at 12 volts they give off very little heat and have extremely long service life. Vibration resi... More Details
Stamped 304 Stainless Steel. One pair includes Port and Starboard lights. Not for new construction, for replacement of existing lighting.... More Details
Stamped 304 stainless steel. light arc is 20 pts., 225°. Carded.... More Details
Stamped 304 Stainless Steel. Not for new construction, for replacement of existing lighting.... More Details
This Rectangular Transom Light is for replacement of existing lighting (not for new construction). Constructed of corrosion resistant stamped 304 stainless steel. Installs with two #10 FH fasteners (n... More Details
Stamped 304 Stainless Steel. Not for new construction, for replacement of existing lighting.... More Details
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Sea-Dog 400111 Replacement Lens - 400111-1 - 354-4001111F1

Sea-Dog Line, Lines & Rigging
$5.59
Replacement Lens... More Details
Injection Molded Nylon/Aluminum with a white translucent lens. Folds down easily for storage.... More Details
One pair includes Port and Starboard lights. Direct replacement for the 400180. LED Flush Mount Side Lights are approved for USCG 1 NM (Colreg 1 mile).... More Details
LED Side Mount Navigation Lights are approved for USCG 2 NM (Colreg 2 mile). One pair includes port and starboard lights. Installs with two #8 FH fasteners (not included). All USCG approved navigation... More Details
LED Side Mount Navigation Lights are approved for USCG 2 NM (Colreg 2 mile). One pair includes port and starboard lights. Installs with two #8 FH fasteners (not included). All USCG approved navigation... More Details
LED Side Mount Navigation Lights are approved for USCG 2 NM (Colreg 2 mile). One pair includes port and starboard lights. Installs with two #8 FH fasteners (not included). All USCG approved navigation... More Details
Approved for USCG 2NM (Colreg 2 mile). Constructed of injection molded nylon and aluminum. Low amp draw. Requires three #8 FH fasteners (not included).... More Details
LED Fixed Mount All Around Lights are approved for USCG 2NM (Colreg 2 mile). Constructed of injection molded nylon and aluminum. Installs with two #8 FH fasteners (not included). All USCG approved nav... More Details
Injection molded polycarbonate/stamped stainless steel. Note: Not for new construction, for replacement of existing lighting.... More Details
Four Position Magneto Style Ignition Switch is constructed of polypropylene. For accessory, off, ignition, start, and choke functions. 13/16" diameter short shaft for a maximum panel thickness: 5/8. I... More Details
Four Position Magneto Style Ignition Switch is constructed of polypropylene. For accessory, off, ignition, start, and choke functions. 13/16" diameter short shaft for a maximum panel thickness: 5/8. I... More Details
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Sea-Dog 4-Position Ignition Switch - 420356-1 - 354-4203561F1

Sea-Dog Line, Ignition & Tune-Up
$62.29
Stamped brass. Functions: Acc.-Off-Ignition-Start. Rated: Ignition 15 Amp @ 12VDC, Solenoid 30 Amp @ 12VDC, Accessory 15 Amp @ 12VDC.... More Details
Polycarbonate cover for strainer... More Details
Hose Klip™ Water Hose Lock stops hose from coming out of deck fill during filling. Compression fitting locks into place for hands free operation. Fits most 1-1/2" deck fills. Patent Pending.... More Details
Hose Klip™ Water Hose Lock stops hose from coming out of deck fill during filling. Compression fitting locks into place for hands free operation. Fits most 1-1/2" deck fills. Patent Pending.... More Details
The Emergency Deck Fill Plug is a must for any vessel. Fits most 1-1/2" hose deck fills in the event you lose your cap. For temporary use only until you can replace your OEM cap. Constructed of fuel r... More Details
The Emergency Deck Fill Plug is a must for any vessel. Fits most 1-1/2" hose deck fills in the event you lose your cap. For temporary use only until you can replace your OEM cap. Constructed of fuel r... More Details
Sea-Dog's® fiberglass filled injection molded nylon deck fills contain no metal and do not require grounding to the boats electrical system. Caps are color-coded for easy deck fill identification elim... More Details
Sea-Dog's® fiberglass filled injection molded nylon deck fills contain no metal and do not require grounding to the boats electrical system. Caps are color-coded for easy deck fill identification elim... More Details
Sea-Dog's® fiberglass filled injection molded nylon deck fills contain no metal and do not require grounding to the boats electrical system. Caps are color-coded for easy deck fill identification elim... More Details
These Door Hinges are constructed of UV resistant, injection molded fiberglass nylon with a corrosion resistant stainless steel pin. Installs with six #8 FH fasteners (not included).... More Details
Investment Cast 316 Stainless Steel.... More Details
Machined Brass Chrome Plated. 5/8"-18 NF x 1-13/16" thread.... More Details
Pipe Deck Fills are constructed of corrosion resistant investment cast 316 stainless steel. Designed to be used in conjunction with 1-1/2" © 11-1/2 NPSM straight threaded pipe. Includes attachment cha... More Details
Pipe Deck Fills are constructed of corrosion resistant investment cast 316 stainless steel. Designed to be used in conjunction with 1-1/2" © 11-1/2 NPSM straight threaded pipe. Includes attachment cha... More Details
Pipe Deck Fills are constructed of corrosion resistant investment cast 316 stainless steel. Designed to be used in conjunction with 1-1/2" - 11-1/2 NPSM straight threaded pipe. Includes attachment cha... More Details
Gas hose deck fill with integral raised splash guard is constructed of corrosion resistant cast 316 stainless steel. Cap features easy-to-use tabs for key-less operation - no deck plate key required. ... More Details
Constructed of corrosion resistant cast 316 stainless steel. Slotted cap requires a key to open and close. All fills and replacement caps (except waste) include attachment chain. Installs with three #... More Details
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Sea-Dog 351110 Flip Top Hose Gas Fill, 1-1/2" Hose - 351110 - 354-351110F1

Sea-Dog Line, Hoses, Clamps & Fittings
$160.09
Investment Cast 316 Stainless Steel.... More Details
Flush Thru Vent designed for cabin or bilge ventilation. For use with 3" exhaust hose. Constructed of corrosion resistant investment cast 316 stainless steel. Installs with four #8 FH fasteners (not i... More Details
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Sea-Dog 337501 Louvered Vent, White - 337501 - 354-337501F1

Sea-Dog Line, Lines & Rigging
$7.18
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 four #8 FH fasteners (not i... More Details
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Sea-Dog 337500 Louvered Vent, Black - 337500 - 354-337500F1

Sea-Dog Line, Lines & Rigging
$6.96
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 four #8 FH fasteners (not i... More Details
Flush Thru Vents are designed for cabin or bilge ventilation. Constructed of UV resistant injection molded ABS. For use with 4" exhaust hose. Installs with four #8 FH fasteners (not included). Avoid c... More Details
Flush Thru Vents are designed for cabin or bilge ventilation. Constructed of UV resistant injection molded ABS. For use with 4" exhaust hose. Installs with four #8 FH fasteners (not included). Avoid c... More Details
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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.