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.
Packed and shipped within Canada!

Premium Marine Quality Parts

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Fuel / Water Separator Kit - 18-7986-1 - 47-79861F1

Sierra, Fuel System
$83.99

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7985-1 - 47-79851F1

Sierra, Fuel System
$174.19

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7984-1 - 47-79841F1

Sierra, Fuel System
$147.49

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7983-1 - 47-79831F1

Sierra, Fuel System
$82.99

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7982-1 - 47-79821F1

Sierra, Fuel System
$77.49

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7966-1 - 47-79661F1

Sierra, Fuel System
$81.79

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7852-1 - 47-78521F1

Sierra, Fuel System
$89.79

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7848-1 - 47-78481F1

Sierra, Fuel System
$89.19

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7777-1 - 47-77771F1

Sierra, Fuel System
$160.99

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7776-1 - 47-77761F1

Sierra, Fuel System
$159.49

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Kit - 18-7775-1 - 47-77751F1

Sierra, Fuel System
$92.69

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Bonus Pack - 18-7983-2 - 47-79832F1

Sierra, Fuel System
$94.49

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Bonus Pack - 18-7982-2 - 47-79822F1

Sierra, Fuel System
$106.89

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Bonus Pack - 18-7852-2 - 47-78522F1

Sierra, Fuel System
$103.59

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Fuel / Water Separator Bonus Pack - 18-7848-2 - 47-78482F1

Sierra, Fuel System
$110.19

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.Includes: Bracket, Filter and 2 brass pipe plugs (3/8" plug - 18-4264, 1/4" plug - 18-4256)

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Freeze Plug (Pack Of 8) Material: Bronze Size: 1 5/8 Or 41.3Mm - 18-5961-9 - 47-59619F1

Sierra, Sealants, Adhesives & Repair
$81.29
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Frc Cd B/C W/O/Plug300-888788 - 18-99228 - 47-99228F1

Sierra, Miscellaneous
$842.09
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Four Gang Junction Block - Fs40670 - 11-Fs40670F1

Sierra, Hinges, Latches & Locks
$31.29

Combines negative and positive buses in one block.

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Force Omc O-Ring - 18-7457 - 47-7457F1

Sierra, Seals, Gaskets & Service Kits
$3.39
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Flywhel Pullr Merc#91895343T02 - 18-9897 - 47-9897F1

Sierra, Miscellaneous
$588.59
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Float Mc#1395-9267 - 18-36956 - 47-36956F1

Sierra, Miscellaneous
$26.79
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Float - 18-72000 - 47-72000F1

Sierra, Miscellaneous
$33.89
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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.