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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Johnson Pump Bilge Alert High Water Alarm - 12V Sensor

Monitoring System, Johnson Pump
$218.50
Bilge Alert High Water Alarm - 12V Sensor The Johnson Bilge Alert High Water Alarm detects disruptions in a bilge pump from water or other fluids. The alarm is very small, easy to mount, and is held w... More Details

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Johnson Pump Bilge Alert High Water Alarm - 12V Ultima

Monitoring System, Johnson Pump
$225.60
Bilge Alert High Water Alarm - 12V Ultima High water alarm featuring digital technology using the patented Mires field effect. Totally sealed fluid detectors are never in contact with water, will not ... More Details

Pro Check BLE Sensor for Water with Grease & Mounting Bracket With Mopeka Pro Check, you'll be able to accurately measure the capacity of your Propane Tanks…anywhere, anytime. The PRO sensor combines ... More Details

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Mopeka Pro Check Sensor f/LPG w/Grease & 3 Spacers

Monitoring System, Mopeka
$90.41
Pro Check Sensor for LPG with Grease & 3 Spacers The PRO Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever. LPG Tanks: All steel LPG tanks up to 10... More Details

Pro Universal for Poly Tanks with Primer & Mounting Collar The Mopeka Pro Check Universal Sensor is the next generation of our powerful Pro Check Technology and gives users the same great usability an... More Details

Pro Check Universal for Multiple Liquids Bottom Up Sensor with Grease & 3 Spacers The Mopeka Pro Check Universal Sensor is the next generation of our powerful Pro Check Technology and gives users the ... More Details

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Mopeka PRO+ Bulk BLE - Long Range f/Over 4' Tall

Monitoring System, Mopeka
$547.99
PRO+ Bulk BLE - Long Range for Over 4' Tall The PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communications t... More Details

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Mopeka PRO+ Bulk Cellular LTE - Cat - M1 f/Over 4' Tall

Monitoring System, Mopeka
$479.49
PRO+ Bulk Cellular LTE - Cat - M1 for Over 4' Tall The PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communica... More Details

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Mopeka PRO+ Residential BLE - LR f/48" Tall Tanks or Less

Monitoring System, Mopeka
$219.19
PRO+ Residential BLE - LR for 48" Tall Tanks or Less The PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communi... More Details

PRO+ Residential Cellular LTE - CAT - M1 for 48" Tall Tanks or Less Check the levels on your steel propane tanks with Mopeka's PRO+ Cellular Sensor. With an accuracy of 99.5%, you can quickly and easi... More Details

PRO200 Top-Down BLE Sensor for All Non-Pressurized Fluids 12V/24V Wired *Not for Gas With the Mopeka PRO200, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Commodity ... More Details

PRO200B Top-Down BLE Sensor for All Non-Pressurized Fluids - Battery Operated, Not for Gas With the Mopeka PRO200B, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Com... More Details

TD200 BLE - LR 4' or Less Tall - Work with All Non-Pressurized Fluids With the Mopeka TD200, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Commodity Tanks … anywhere... More Details

TD200 Cellular LTE - Cat - M1 4' Tall or Less - Works with All Non-Pressurized Fluids With Mopeka, you can monitor your tank levels from your smartphone, tablet, or computer using the freely downloada... More Details

TD40 BLE - LR 4' to 18' Tall - Work with All Non-Pressurized Fluids Sonar Tank Monitoring Solutions are the most reliable and accurate way to measure Propane, Butane, LPG, water, beverages, and other ... More Details

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Raritan Tank Sensor Module Kit f/Tank Monitor

Monitoring System, Raritan
$212.35
Tank Sensor Module Kit Raritan's Tank Sensor Module Kit is specifically for Raritan's Tank Monitor. Features: Designed to work with Raritan tank monitors Allows monitoring of additional tanks WARNING:... More Details

GX Tank 140 Tank Monitoring for 4-20 MA, 1-10VDC Sensors - Monitors Up to 4 Sensors *Sensor Not Included The GX Tank 140 takes readings from up to four tank level sensors. It is an accessory for our r... More Details

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Raritan TankAssure NMEA2000 Adapter

Marine Sanitation, Monitoring System, Raritan
$698.70
TankAssure NMEA2000 Adapter Raritan’s TankAssure NMEA2000 Adapter extends the function of TankAssure by converting and sending measurement data and alerts to the NMEA 2000 network. Using standard NMEA... More Details

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Raritan TankAssure Tank Monitoring Sensor Kit (Sensor Kit Only)

Marine Sanitation, Monitoring System, Raritan
$767.20
TankAssure Tank Monitoring Sensor Kit (Sensor Kit Only) Introducing the Raritan TankAssure - a game-changing tank monitoring system that raises standards for marine vessels. Its easy-to-read display a... More Details

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Raritan TankAssure Tank Monitoring System w/Control Panel and Sensor

Marine Sanitation, Monitoring System, Raritan
$1,253.55
TankAssure Tank Monitoring System with Control Panel and Sensor Introducing the Raritan TankAssure - a game-changing tank monitoring system that raises standards for marine vessels. Its easy-to-read d... 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.