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Original & OEM Quality Parts

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Optional conversion plate for mounting CMD-5 Carbon Monoxide Alarms in places where larger CMD-3M or CMD-2M units were previously installed. This cover plate covers up unsightly wear or openings from ... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant hou... More Details

Includes: cable, escutcheon plate, pull handle, safety pin, and safety tie.... More Details

Includes: cable, escutcheon plate, pull handle, safety pin, and safety tie.... More Details

Includes: cable, escutcheon plate, pull handle, safety pin, and safety tie.... More Details

Required for Diesel Engines. Compressed gas suppressants will not stall a diesel engine. If fire breaks out aboard a diesel powered vessel, the engine must be shut down immediately. Continued operatio... More Details

Required for Diesel Engines. Compressed gas suppressants will not stall a diesel engine. If fire breaks out aboard a diesel powered vessel, the engine must be shut down immediately. Continued operatio... More Details

Each system consists of a monitor panel and up to 14 smoke or heat detectors and/or rate of rise heat detectors connected to each zone (sold separately.) The 3-5" square membrane style display panel f... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

Determine the volume of your compartment in cubic feet or cubic meters. For after-market installations, the gross volume MUST be \ used unless the boat manufacturer has attached a nameplate stating th... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

On board, on guard, 24 hours a day, the safest way to combat an engine room fire. Choosing your system: determine the volume of your engine compartment in cubic feet, L x W x H. Do NOT deduct for engi... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

MU Series (manual/automatic). Designed for engine rooms and machinery spaces up to 485 ft3 (13.7 m3). Discharges at 175°F (79°C). Ready to install. Each Fireboy system includes a heavy-duty powder coa... More Details

The Orbis Marine Optical /Heat Multisensor Detector can be readily used instead of optical detectors as it is more sensitive to fast burning, flaming fires - including liquid fires. Should be used as ... More Details

Designed for use with Fireboy Engine Shutdowns. Engine Shutdown System with round bezel. Includes charged/discharged lights, membrane switch to change from normal to override position, and integrated ... More Details

Features an integrated alarm horn for a simple, single instrument installation. Provides around the clock discharge alert. LED Display.... More Details

Gasoline fumes in a bilge or engine compartment, with or without a blower fan, have the potential to be a serious risk at any time. First, because fuel leaks create new fumes as rapidly as the blower ... More Details

Gasoline fumes in a bilge or engine compartment, with or without a blower fan, have the potential to be a serious risk at any time. First, because fuel leaks create new fumes as rapidly as the blower ... More Details

Gasoline fumes in a bilge or engine compartment, with or without a blower fan, have the potential to be a serious risk at any time. First, because fuel leaks create new fumes as rapidly as the blower ... More Details

Propane Fume Detectors are an effective means to monitor propane fumes in a compartment or leaking fuel systems. The system uses a sensor, located in a place of interest, and a central display unit th... More Details

Propane Fume Detectors are an effective means to monitor propane fumes in a compartment or leaking fuel systems. The system uses a sensor, located in a place of interest, and a central display unit th... More Details

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Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of OEM and premium aftermarket marine and RV parts and accessories. 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.