U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
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Premium Marine Quality Parts

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Siren Marine 120V AC Shore Power Relay - Wired

Security Systems, Siren Marine
$96.84
120V AC Shore Power Relay - Wired The 120VAC Shore Power Relay is used to detect presence and loss of AC shore power. The relay is meant to be hardwired directly to your AC distribution panel.  This r... More Details

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Siren Marine Audible Alarm

Security Systems, Siren Marine
$76.60
Siren Marine Audible Alarm The Siren Marine audible alarm produces a powerful beeping sound (105 decibels). The alarm can be connected to one of the outputs on the MTC, which will allow it to be turne... More Details

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Siren Marine Battery Sensor f/Siren 3

Security Systems, Siren Marine
$193.34
Battery Sensor for Siren 3 Monitor battery voltage with the Wireless Battery Sensor, and never worry about a dead battery again. Attach the Battery Connector to one of the boat’s batteries and plug th... More Details

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Siren Marine Bilge Pump Sensor f/Siren 3

Security Systems, Siren Marine
$193.34
Bilge Pump Sensor for Siren 3 The Wireless Bilge Pump Sensor monitors bilge pump activity, including run time and daily cycles. Attach the Bilge Pump Connector to the bilge pump and plug the other end... More Details

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Siren Marine Entry Sensor f/Siren 3

Security Systems, Siren Marine
$193.34
Entry Sensor for Siren 3 Receive instant notifications if there is unauthorized entry on the boat. Perfect for securing lockers, doors, and hatches. Install the Wireless Module on one side of the door... More Details

External GPS Antenna for Siren 3 Pro Includes 10' Cable Optimize GPS tracking of your boat with the External GPS Antenna. When you remotely mount the External GPS Antenna, the Siren 3 Pro will overrid... More Details

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Siren Marine High Water Sensor f/Siren 3

Security Systems, Siren Marine
$193.34
High Water Sensor for Siren 3 The Wireless High-Water Sensor detects if there is water in the bilge and sends an alert to the Siren Marine App if water has risen above the preset level. Mount the Wate... More Details

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Siren Marine Mini Audible Alarm

Horns, Siren Marine
$55.53
Mini Audible Alarm The Siren Marine mini audible alarm produces a powerful sweeping siren sound. The alarm can be connected to one of the outputs on the Main Device, which will allow it to be turned o... More Details

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Siren Marine NMEA 2000 Cable & T Connector Connection Kit f/Siren 3 Pro

NMEA Cables & Sensors, Siren Marine
$53.47
NMEA 2000 Cable & T Connector Connection Kit for Siren 3 Pro Optimize the connectivity of your Connected Boat® system, allowing you to monitor engine data, water, fuel and waste tanks, and more! The N... More Details

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Siren Marine PAM4 Wired DC Relay

Security Systems, Siren Marine
$39.02
PAM4 Wired DC Relay The Siren Marine DC Accessory Relay allows users to control any 12v onboard devices, such as A/C, deck or spreader lights, sirens, or strobe lights. Dimensions: 1.5x0.75x1.19in (bo... More Details

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Siren Marine Remote Cellular & GPS Antenna - Adhesive Mount Puck

Security Systems, Siren Marine
$137.32
Remote Cellular & GPS Antenna - Adhesive Mount Puck  Enjoy enhanced location and cellular connectivity reception for your Siren 3 Pro all with one combination antenna. The Remote GPS & Cell Antenna Ad... More Details

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Siren Marine Remote Cellular & GPS Antenna - Threaded Mount Dome

Security Systems, Siren Marine
$137.32
Remote Cellular & GPS Antenna - Threaded Mount Dome Enjoy the enhanced location and cellular connectivity reception for your Siren 3 Pro all with one combination antenna.  The Remote GPS & Cell Antenn... More Details

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Siren Marine Shore Power Relay - 240V

Security Systems, Siren Marine
$141.65
Shore Power Relay - 240V The 240VAC Shore Power Relay is used to detect presence and loss of AC shore power. The relay is meant to be hardwired directly to your AC distribution panel. This relay is th... More Details

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Siren Marine Siren 3 Main Device

Security Systems, Siren Marine
$416.99
Siren 3 Main Device Designed with small to medium boats in mind, the Siren 3 offers immense value at an affordable price. Together with the Siren Connected Boat Mobile App, our Smart Boat Monitoring S... More Details

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Siren Marine Siren 3 Pro Vessel Management Device

Security Systems, Siren Marine
$1,107.64
Siren 3 Pro Vessel Management Device  Features: Providing the ultimate smart boating experience that keeps you connected to your boat 24/7, regardless of boat size, type or use The Siren 3 Pro provide... More Details

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Siren Marine SirenSat Offshore Satellite Antenna w/2M Power Cable

Security Systems, Siren Marine
$361.39
SirenSat Offshore Antenna with 2M Power Cable* *Requires SirenSat Offshore Subscription (sold separately) Using the Globalstar Network of Satellites, the SirenSat Offshore Antenna allows users to trac... More Details

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Siren Marine Temp Sensor f/Siren 3

Security Systems, Siren Marine
$193.34
Temp Sensor for Siren 3 Monitor the temperature of the cabin, engine room, bait locker, or fridge. Place the Wireless Module in the area that needs to be monitored, link the module to the Siren 3 Pro,... More Details

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Siren Marine Wired Canvas Snap Cover Sensor

Security Systems, Siren Marine
$53.47
Wired Canvas Snap Cover Sensor The canvas snap sensor is ideal for boats that have a canvas cover or part cover, and replaces a canvas snap for entry alert. When the normally closed alarm circuit is o... More Details

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Siren Marine Wired Infrared Motion Sensor

Security Systems, Siren Marine
$187.91
Wired Infrared Motion Sensor The Visonic 360 Ceiling Dualtech motion sensor offers robust protection against theft. Simply mount this sensor in a cabin or above the main entryway, and receive notifica... More Details

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Siren Marine Wired Magnetic REED Switch

Security Systems, Siren Marine
$25.55
Wired Magnetic REED Switch Magnetic reed switches are used to report unauthorized entry into a main cabin through a door or external hatch. Reed switches can be connected in series to monitor multiple... More Details

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Siren Marine Wired Micro ePIR Motion Sensor

Security Systems, Siren Marine
$202.37
Wired Micro ePIR Motion Sensor The Micro ePIR motion sensor provides similar functionality as the Visonic Duo 240  Ceiling Dualtech in the most compact and hard to detect package available. An ideal s... More Details

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Siren Marine Wired Shore Power Sensor Plug

Security Systems, Siren Marine
$101.18
Wired Shore Power Sensor Plug The Shore Power Sensor Plug allows boaters to monitor system-critical shore power from anywhere. Receive an alert in the event that shore power is lost and avoid costly s... More Details

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Siren Marine Wiring Cable f/Siren 3

Security Systems, Siren Marine
$30.34
Wiring Cable for Siren 3 The Wiring Cable 2 accessory is used to connect additional wired sensor inputs and to also drive additional outputs to your Siren 3 Pro device. Each wire has unique functional... More Details

Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

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.