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Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs

Busbars, Connectors & Insulators, Blue Sea Systems
$36.65
PowerBar Dual BusBar - Two 3/8"-16 Studs Provides compact high-ampere busing with 3/8" terminal studs Specifications: Maximum Amperage: 200A Maximum Voltage: 48V DC Number of Terminal Studs: 2 Termina... More Details

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Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16

Busbars, Connectors & Insulators, Blue Sea Systems
$49.34
PowerBar Common BusBar Terminal Studs: 2x3/8"-16 Provides compact high-ampere busing with 3/8" terminal studs WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (deh... More Details

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Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8"

Busbars, Connectors & Insulators, Blue Sea Systems
$45.11
Dual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insulator WARNING: This product can expose you to chemicals i... More Details

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Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8"

Busbars, Connectors & Insulators, Blue Sea Systems
$45.11
Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (de... More Details

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Blue Sea 2016 Dual PowerPost Cable Connectors - 2 X 5/16"

Busbars, Connectors & Insulators, Blue Sea Systems
$45.11
Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (de... More Details

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Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud

Busbars, Connectors & Insulators, Blue Sea Systems
$18.32
2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud Insulated single stainless steel stud terminates multiple large conductors. Features: Connects high amperage cables securely Stud dimensio... More Details

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Blue Sea 2010 PowerPost High Amperage Cable Connector #10 Stud

Busbars, Connectors & Insulators, Blue Sea Systems
$18.32
PowerPost High Amperage Cable Connector #10 Stud Features:  Insulated single stainless steel stud terminates multiple large conductors Connects high amperage cables securely Stud dimensions: #10-32 x ... More Details

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Blue Sea 2003 PowerPost High Amperage Cable Connector 3/8" Stud

Busbars, Connectors & Insulators, Blue Sea Systems
$28.19
2003 PowerPost High Amperage Cable Connector 3/8" Stud Insulated single stainless steel stud terminates multiple large conductors. Features: Connects high amperage cables securely Stud dimensions: 3/8... More Details

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Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud

Busbars, Connectors & Insulators, Blue Sea Systems
$28.19
2002 PowerPost High Amperage Cable Connector 5/16" Stud  Insulated single stainless steel stud terminates multiple large conductors. Features: Connects high amperage cables securely Stud dimensions: 5... More Details

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Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud

Busbars, Connectors & Insulators, Blue Sea Systems
$29.60
PowerPost High Amperage Cable Connector 1/4" Stud Features: Connects high amperage cables securely Glass-Reinforced Nylon 48 Volts DC Maximum Not rated - Amperage flows between terminals stacked on po... More Details

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Blue Sea 1850 M2 Vessel Systems Monitor

Meters & Monitoring, Blue Sea Systems
$917.90
1850 M2 Vessel Systems Monitor Performs comprehensive monitoring of four critical systems in one compact organic LED digital monitor. DC System Monitoring (up to two batteries) One input monitors the ... More Details

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Blue Sea 1842 M2 OLED Digital Bilge Meter

Meters & Monitoring, Blue Sea Systems
$703.58
1842 M2 OLED Digital Bilge Meter The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET... More Details

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Blue Sea 1839 M2 OLED Tank Monitor

Meters & Monitoring, Blue Sea Systems
$704.99
M2 OLED Tank Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET External Ci... More Details

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Blue Sea 1838 M2 AC Multimeter

Meters & Monitoring, Blue Sea Systems
$744.47
M2 AC Multimeter Monitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and monitor AC amperage, voltage and Hz. (measures 2 voltag... More Details

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Blue Sea 1837 M2 AC Voltmeter

Meters & Monitoring, Blue Sea Systems
$703.58
M2 AC Voltmeter Monitors AC Voltage on large, bright display. Accurately measure and monitors the voltage of your AC system. (measures 2 independent circuits or 1 double phase circuit) Features: Auto-... More Details

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Blue Sea 1836 M2 AC Ammeter

Meters & Monitoring, Blue Sea Systems
$637.31
M2 AC Ammeter Monitors AC Amperage on large, bright display. Supports programmable current transformer ratios. Accurately measure and alarm the amperage of your AC system. (measures 2 independent circ... More Details

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Blue Sea 1833 M2 DC Voltmeter

Meters & Monitoring, Blue Sea Systems
$630.26
M2 DC Voltmeter Monitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries. Features: Auto-dimming, bright OLED display is easy to read Easy to... More Details

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Blue Sea 1832 M2 DC Ammeter

Meters & Monitoring, Blue Sea Systems
$704.99
M2 DC Ammeter Monitors DC Amperage with large, bright display. Accurately measure and monitor the amperage of your DC system. (measures 2 circuits) Supports programmable shunt ratios. Features: Auto-d... More Details

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Blue Sea 1830 M2 DC SoC State of Charge Monitor

Meters & Monitoring, Blue Sea Systems
$704.99
M2 DC SoC State of Charge Monitor Accurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios. Features: Auto-dimming, bright OLED display is easy to read ... More Details

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Blue Sea 1821 Universal Temperature Sensor

Accessories, Blue Sea Systems
$33.83
Universal Temperature Sensor Use with the P12 Charger, M2 OLED, and Mini OLED Meters Includes double-sided tape Waterproof design Temperature Range: -40°F to 300°F (-40°C to 150°C) Wire Length: 18" WA... More Details

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Blue Sea 1820 Submersible Temperature Sensor

Accessories, Blue Sea Systems
$42.29
1820 Submersible Temperature Sensor Features: General temperature sensor designed to work for most applications. Easy double-sided tape installation Fully Submersible (IP68) Wires connect in either or... More Details

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Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level

Accessories, Blue Sea Systems
$308.78
1811 Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800-can be precisely calibrated for each tank* Reliable - SSI Technologies, Inc. Fluid-Trac® is non-contacting eliminating an... More Details

1810 Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank* Reliable - SSI Technologies, Inc. Fluid-Trac® is non-contacting eliminating ... More Details

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Blue Sea 1741200 Mini OLED Temperature Monitor - Blue

Meters & Monitoring, Blue Sea Systems
$160.73
1741200 Mini OLED Temperature Monitor - Blue Monitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen. Features: Compact size enables mounting in any conv... More Details

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Blue Sea 1741 Mini OLED Temperature Meter

Meters & Monitoring, Blue Sea Systems
$160.73
Mini OLED Temperature Meter Monitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen Compact size enables mounting in any convenient location Reverse pola... 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.