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!

Original & OEM Quality Parts

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.C Ret Nut Dr Shft Hs - 18-3752 - 47-3752F1

Sierra
$50.53
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02 Sensor - 18-32151 - 47-32151F1

Sierra
$189.90

See Sierra's catalog for current application information.

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10W40 Fcw 4-Cycle Outboard Synthetic Blend Oil, 16 Gal. Drum - 18-9551-6 - 47-95516F1

Sierra
$852.14

NMMA FC-W / API SL oils for use in all outboard and inboard applications without a catalytic converter. These oils provide superior protection to marine engines. Provides the additional protection from rust and corrosion found in the marine environment along with high load carrying capabilities. Sold in case packs only.

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10W40 Fcw 4-Cycle Outboard Synthetic Blend Oil, 55 Gal. Drum - 18-9551-7 - 47-95517F1

Sierra
$3,078.56

NMMA FC-W / API SL oils for use in all outboard and inboard applications without a catalytic converter. These oils provide superior protection to marine engines. Provides the additional protection from rust and corrosion found in the marine environment along with high load carrying capabilities. Sold in case packs only.

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12V Trolling Motor Plug - Wh10480-1 - 11-Wh104801F1

Sierra
$37.90

6" - 10 gauge with butt connector, Ready-wired.

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12V Trolling Motor Plug - Wh10570 - 11-Wh10570F1

Sierra
$35.14

10" - 10 gauge with butt connector, Ready-wired.

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12V Trolling Motor Plug - Wh10610-1 - 11-Wh106101F1

Sierra
$64.12

6" - 8 gauge with butt connector, Ready-wired.

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12V Trolling Motor Socket - Wh10470-1 - 11-Wh104701F1

Sierra
$44.64

6" - 10 gauge with butt connector, Ready-wired.

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12V Trolling Motor Socket - Wh10530-1 - 11-Wh105301F1

Sierra
$41.32

6" - 8 gauge with butt connector, Ready-wired.

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12V Trolling Motor Socket - Wh10560 - 11-Wh10560F1

Sierra
$42.46

10" - 10 gauge with butt connector, Ready-wired.

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12V Trolling Motor Socket - Wh10600-1 - 11-Wh106001F1

Sierra
$55.66

6" - 8 gauge with butt connector, Ready-wired.

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15Psi Oil Pressure Switch - Op22891 - 11-Op22891F1

Sierra
$38.56

Used for Electric Fuel Pump Shut Off. Thread size: 1/8" - 27 Terminal type: 10-32 stud

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18-8852 Battery Cable Red 4 Ga - Bc88523 - 11-Bc88523F1

Sierra
$33.62

Features a soldered lug terminal on each end to accept a 3/8" stud.

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18-8853 Battery Cable Black 4 Ga - Bc88533 - 11-Bc88533F1

Sierra
$33.62

Features a soldered lug terminal on each end to accept a 3/8" stud.

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203130 Head Gasket - 18-3841-2 - 47-38412F1

Sierra
$16.90
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24V Trolling Motor Plug - Wh10500-1 - 11-Wh105001F1

Sierra
$44.93

6" - 10 gauge with butt connector, Ready-wired.

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24V Trolling Motor Socket - Wh10490-1 - 11-Wh104901F1

Sierra
$65.35

6" - 10 gauge with butt connector, Ready-wired.

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25W50 Fcw 4-Cycle Outboard Synthetic Blend Oil, 1L - 18-9552-8 - 47-95528F1

Sierra
$27.54

NMMA FC-W / API SL oils for use in all outboard and inboard applications without a catalytic converter. These oils provide superior protection to marine engines. Provides the additional protection from rust and corrosion found in the marine environment along with high load carrying capabilities. Sold in case packs only.

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25W50 Fcw 4-Cycle Outboard Synthetic Blend Oil, 4L - 18-9552-3 - 47-95523F1

Sierra
$96.80

NMMA FC-W / API SL oils for use in all outboard and inboard applications without a catalytic converter. These oils provide superior protection to marine engines. Provides the additional protection from rust and corrosion found in the marine environment along with high load carrying capabilities. Sold in case packs only.

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26-14240 Mc Oil Seal - 18-0519 - 47-0519F1

Sierra
$55.00
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26-16977 Mercury Seal - 18-2013 - 47-2013F1

Sierra
$24.98
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26-67388 Mer Oil Seal - 18-0578 - 47-0578F1

Sierra
$42.93
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26-97530 Mc Oil Seal - 18-0172 - 47-0172F1

Sierra
$23.74
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27-43006 8 Mc Gasket - 18-0339 - 47-0339F1

Sierra
$13.01
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27-69524 2 Mc Gasket - 18-0918 - 47-0918F1

Sierra
$33.15
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313368 Omc Gasket @2 - 18-2851 - 47-2851F1

Sierra
$9.87
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320936 Omc Seal - 18-0540 - 47-0540F1

Sierra
$25.64
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321119 O-Ring - 18-7142 - 47-7142F1

Sierra
$1.23
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321435 Gasket @2 - 18-2549 - 47-2549F1

Sierra
$20.89
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321794 Omc Gasket - 18-0989 - 47-0989F1

Sierra
$20.13
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324717 Omc Gasket - 18-0112 - 47-0112F1

Sierra
$13.10
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327031 Oil Seal - Omc - 18-2035 - 47-2035F1

Sierra
$18.71
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329923 Oil Seal - 18-2062 - 47-2062F1

Sierra
$15.48
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334353 Omc Gasket - 18-0437 - 47-0437F1

Sierra
$1.42
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378891 Omc Impeller - 18-3006 - 47-3006F1

Sierra
$37.61
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383307 Omc Thermostat - 18-3554 - 47-3554F1

Sierra
$52.91
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395460 Rewind Spring - 18-6501 - 47-6501F1

Sierra
$29.44
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396350 Omc Seal - 18-2656 - 47-2656F1

Sierra
$81.69
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396355 Omc Seal - 18-2659 - 47-2659F1

Sierra
$100.31
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40A Auto Reset Circuit Breaker - Cb42240 - 11-Cb42240F1

Sierra
$22.79

Perfect for rigging trolling motors, windlesses and other high amp electrical equipment. Includes stud mounting plate and 8 GA ring terminal.

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40A Circuit Breaker - Cb43240 - 11-Cb43240F1

Sierra
$20.51

Perfect for rigging trolling motors, windlesses and other high amp electrical equipment. Includes stud mounting plate and 8 GA ring terminal.

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Pocket Bike Canada Logo
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.