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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The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

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Mec Mekit1 Low Pressure Test Kit - Me-Kit-1 - 277-Mekit1F1

Marshall Excelsior Co., Miscellaneous
$306.39
Designed to check for gas leaks by verifying the line pressure of an appliance. Each kit includes a case, gauge, and rubber hose with a rubber boot connection.... More Details

Red Type 1 Nut. 400,000 BTU/H. Approved for RV applications... More Details

Red Type 1 Nut. 400,000 BTU/H. Approved for RV applications.... More Details



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Mec Mer42615P2 1/4" I.D. Propane Hose, 426 Series, 15" 2/Pk - Mer426-15P2 - 277-Mer42615P2F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$61.79

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Mec Mer470 Flow-Longer Propane Kit - Mer470 - 277-Mer470F1

Marshall Excelsior Co., Miscellaneous
$225.39
The Flow-Longer Propane Kits are designed to connect small, portable appliances, normally fueled by disposable LP-Gas cylinders, to the existing LP-Gas fuel supply of a recreational vehicle, cottage, ... More Details

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Mec Mer472 Stay-Longer Propane Kit - Mer472 - 277-Mer472F1

Marshall Excelsior Co., Miscellaneous
$183.89
The Stay-Longer Propane Kits are designed to give you new flexibility on how you use your LP-Gas. You can stay longer by hooking up auxiliary LP-Gas cylinders, or you can tap into the RV's LP-Gas syst... More Details

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Mec Mer473 Stay-Longer Propane Kit - Mer473 - 277-Mer473F1

Marshall Excelsior Co., Miscellaneous
$274.39
The Stay-Longer Propane Kits are designed to give you new flexibility on how you use your LP-Gas. You can stay longer by hooking up auxiliary LP-Gas cylinders, or you can tap into the RV's LP-Gas syst... More Details

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Mec Mestf33P Bulkhead Straight Flare Fitting-Brass - Mestf33-1 - 277-Mestf33Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$14.82
RV Bulkhead 3/8" Male Flare x 3/8" Male Flare... More Details

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Mec Propane Adaptor Hose, 12' Carded - Mer407-144 - 277-Mer407144F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$110.79
For high pressure appliances. The 407 adaptor hoses have a safe, convenient, "user-friendly" design that makes it ideal for hooking up portable, high pressure propane appliances such as camp stoves, l... More Details

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Mec Propane Adaptor Hose, 5' Carded - Mer407-60 - 277-Mer40760F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$84.99
For high pressure appliances. The 407 adaptor hoses have a safe, convenient, "user-friendly" design that makes it ideal for hooking up portable, high pressure propane appliances such as camp stoves, l... More Details

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Mec Propane Adaptor Hose, 5' Clamshell - Mer407-60P - 277-Mer40760Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$80.29
For high pressure appliances. The 407 adaptor hoses have a safe, convenient, "user-friendly" design that makes it ideal for hooking up portable, high pressure propane appliances such as camp stoves, l... More Details

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Mec Quick Disconnect Hose Assemblies, 144 Packaged - Mer14Tcqd-144P - 277-Mer14Tcqd144Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$141.29
High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14 water column). Includes shut-off val... More Details

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Mec Quick Disconnect Hose Assemblies, 72 Packaged - Mer14Tcqd-72P - 277-Mer14Tcqd72Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$104.59
High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14 water column). Includes shut-off val... More Details

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Mec Quick Disconnect Hose Assemblies, 72" Bulk - Mer14Tcqd-72 - 277-Mer14Tcqd72F1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$114.79
High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Includes shut-off va... More Details

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Mec Quick Disconnect Hose Assembly, 120" Bulk - Mer14Tcmpqd-120 - 277-Mer14Tcmpqd120F1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$89.49
High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Regulator not includ... More Details

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Mec Quick Disconnect Hose Assembly, 72" Packaged - Mer14Tcmpqd-72P - 277-Mer14Tcmpqd72Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$45.59
High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Regulator not includ... More Details

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Mec Quick Disconnect Hose Assembly, 72" Packaged - Mer14Tcqdmp-72P - 277-Mer14Tcqdmp72Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$114.89
High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Includes shut-off va... More Details

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Mechanical Seal - 6408-0000 - 6-64080000F1

Jabsco, Seals, Gaskets & Service Kits
$180.49

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.