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Premium Marine Quality Parts

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Step Down Heat Shrink Butt Connectors, 22-18/16-14 100/Pack - 50-61431 - 50-61431F1

Seachoice, Wiring & Connectors
$348.30

Marine grade and designed for connecting different wire gauges. The gauge is marked on each end of the connector and also displays a corresponding color band. 99.9 % pure copper with seamless tube, tin plated. Proprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire inspection purposes, faster shrink times and improved abrasion resistance. Simply insert the wire, crimp and heat shrink for a complete environmental seal.

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Stowaway Stern Light 24 Assy - 7100A7 - 23-7100A7F1

Attwood Marine, Lighting
$135.79

2-mile, 360° visibility, for boats up to 39.4' (12 meters) in length. ZAMAK base with swivel cover that protects the socket when light is stowed. Base extends just 3" below deck. Includes 8-watt wedge-base lamp. Has three countersunk holes for #10 fasteners.

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Stromberg Carlson La2022152 Starter Ladder, 51.5" - La-2022152 - 375-La2022152F1

Stromberg Carlson Pr, Alternators & Starters
$214.39

The hardware secures our starter ladder to your coach's 1" exterior ladder so it cannot get knocked off. This ladder will support up to 250 lbs at a 10°-13° angle.

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Submersible Identification Light Bar\Red - Mc97Rksch - 50-52511F1

Seachoice, Lighting
$31.89

Designed for 12V Systems Meets the requirements of SAE/DOT/FMVSS/CMVSS standards when properly installedMeets Requirements for Over 80" Wide TrailersSealed, waterproofSurface mountPolycarbonate lens and housing, stainless steel baseSingle wire self grounding

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Submersible Over 80" Trailer Light Set - Tl60Rk - 158-Tl60Rkf1

Optronics, Lighting
$43.79

Packaged set includes two submersible stud mount tail lights and mounting hardware for quick and easy replacement. Contents: (1) ST-4RB, (1) ST-5RB, and mounting hardware.

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Submersible Tail Light, Left - 2523023 - 274-2523023F1

Wesbar, Lighting
$32.69

These lights are ideal for boat and PWC trailers less than 80" wide. Fully gasketed, screw on main and side marker lens allow for easy bulb replacement. Universal 2" on-center stud mount. Meet FMVSS/CMVSS 108 requirements for trailers under 80" wide when properly mounted. Prewired for easy installation. 5.25" x 4.66" x 3.76" overall height.

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Submersible Universal Mount Combination Tail Lightdriver Side, 7-Function - St57Rssch - 50-51471F1

Seachoice, Lighting
$49.99

Over 80" wide combination Over 80" wide combinationDesigned for 12V SystemsMeets the requirements of SAE/DOT/FMVSS/CMVSS standards when properly installedWaterproof constructionAcrylic lens and plastic housingIncludes separate ground wire with eyeletMount on 2" centersMounting hardware includedSize: 6.063" x 3.75" x 2.25"

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Submersible Universal Mount Combination Tail Lightpassenger Side, 6-Function - St56Rssch - 50-51481F1

Seachoice, Lighting
$44.93

Over 80" wide combination Over 80" wide combinationDesigned for 12V SystemsMeets the requirements of SAE/DOT/FMVSS/CMVSS standards when properly installedWaterproof constructionAcrylic lens and plastic housingIncludes separate ground wire with eyeletMount on 2" centersMounting hardware includedSize: 6.063" x 3.75" x 2.25"

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Superflex Audio Speaker Wire, 100' 14/2 Awg - B9142Tbcs100Ft - 446-B9142Tbcs100Ftf1

Cobra Wire &Cable, Wiring & Connectors
$211.44

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Superflex Audio Speaker Wire, 100' 16/2 Awg - B9162Tbcs100Ft - 446-B9162Tbcs100Ftf1

Cobra Wire &Cable, Wiring & Connectors
$128.82

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Superflex Audio Speaker Wire, 100' 18/2 Awg - B9182Tcs100Ft - 446-B9182Tcs100Ftf1

Cobra Wire &Cable, Wiring & Connectors
$91.89

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Superflex Audio Speaker Wire, 250' 14/2 Awg - B9142Tbcs250Ft - 446-B9142Tbcs250Ftf1

Cobra Wire &Cable, Wiring & Connectors
$505.61

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Superflex Audio Speaker Wire, 250' 16/2 Awg - B9162Tbcs250Ft - 446-B9162Tbcs250Ftf1

Cobra Wire &Cable, Wiring & Connectors
$304.07

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Superflex Audio Speaker Wire, 250' 18/2 Awg - B9182Tcs250Ft - 446-B9182Tcs250Ftf1

Cobra Wire &Cable, Wiring & Connectors
$202.29

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Superflex Audio Speaker Wire, 500' 14/2 Awg - B9142Tbcs500Ft - 446-B9142Tbcs500Ftf1

Cobra Wire &Cable, Wiring & Connectors
$984.49

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Superflex Audio Speaker Wire, 500' 16/2 Awg - B9162Tbcs500Ft - 446-B9162Tbcs500Ftf1

Cobra Wire &Cable, Wiring & Connectors
$612.99

This cable consists of a bare copper and a tinned copper conductor laid flat in a clear jacket with integral insulation. UL Standard 13 & 444, CSA C22.2 No. 214, NEC Article 725 & 800 approved.

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Surface Mount Marker/Clearance Light With Reflex - Mc36Assch - 50-52611F1

Seachoice, Lighting
$6.00

Designed for 12V Systems Meets the requirements of SAE/DOT/FMVSS/CMVSS standards when properly installedLens with reflex eliminates need for separate reflectorSingle wire design grounds through mounting hardwareScrew-on lens, replaceable bulb, black plastic base3.875" x 2.375" x 1.094"

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Surge Guard 34931 Portable Surge Guard W/ Wireless Communication, 30A - 34931 - 802-34931F1

Southwire, Wiring & Connectors
$504.39

Total electrical protection from faulty park power and electrical issues inside the RV. Continuously monitors and displays voltage and amp draw (RMS)Low and high frequency protectionIncludes anti-theft lock ring on cordMulti-mode surge suppressionCommercial-grade, brass receptacleAutomatic reset on power restoration10 second countdown startup sequence128 second reset delay protects A/C compressorLCD display (English)Convenient Easy-T-Pull™ handlesCompatible with 40301 Wireless LCD Display

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Surge Guard 34951 Portable Surge Guard W/ Wireless Communication, 50A - 34951 - 802-34951F1

Southwire, Wiring & Connectors
$693.29

Total electrical protection from faulty park power and electrical issues inside the RV. Continuously monitors and displays voltage and amp draw (RMS)Low and high frequency protectionIncludes anti-theft lock ring on cordMulti-mode surge suppressionCommercial-grade, brass receptacleAutomatic reset on power restoration10 second countdown startup sequence128 second reset delay protects A/C compressorLCD display (English)Convenient Easy-T-Pull™ handlesCompatible with 40301 Wireless LCD Display

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Surge Guard 40301 Wireless Lcd Display - 40301 - 802-40301F1

Southwire, Wiring & Connectors
$87.99

Optional wireless LCD screen, Compatible with Surge Guard models 34931 & 34951. VoltageAmp drawFrequencyKilowatt usageCurrent fault screenFault log of previous 4 faultsConnection statusVisual alert of faultRange of 100'Includes optional mounting bracketRequires 3-AAA batteries

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Surge Guard 44380 Portable Surge Guard W/ Enhanced Diagnostics, 30A - 44380 - 802-44380F1

Southwire, Wiring & Connectors
$185.99

Perfect for Pop-ups and Travel Trailers. Identifies faulty park power and provides surge protection. Convenient Easy-T-Pull™ plug handlesIncreased receptacle brass thickness reduces heatLED fault chart provides simple power analysisUL/CUL ListedFully enclosed receptacle coverIncludes anti-theft lock ring on cordMissing leg 1/leg 2 voltageTest for and indicates Open neutral, Open ground, Reverse polarity, Open circuit/no power, Surge protection status, Overheating plug/receptacle

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Surge Guard 44390 Portable Surge Guard W/ Enhanced Diagnostics, 50A - 44390 - 802-44390F1

Southwire, Wiring & Connectors
$228.39

Perfect for Pop-ups and Travel Trailers. Identifies faulty park power and provides surge protection. Convenient Easy-T-Pull™ plug handlesIncreased receptacle brass thickness reduces heatLED fault chart provides simple power analysisUL/CUL ListedFully enclosed receptacle coverIncludes anti-theft lock ring on cordMissing leg 1/leg 2 voltageTest for and indicates Open neutral, Open ground, Reverse polarity, Open circuit/no power, Surge protection status, Overheating plug/receptacle

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Surge Guard 44400 Surge Guard Neutral-Ground Bonding Plug - 44400 - 802-44400F1

Southwire, Wiring & Connectors
$21.99

Most portable generators have a floating neutral. Surge Guard products will detect this as an open ground condition and not allow power to pass through. To solve this problem, insert the Surge Guard Generator Neutral-Ground Bonding Plug into a 15A receptacle on the generator control panel. This will create a neutral to ground bond and the open ground condition should be resolved. Please check the owner's manual of the generator to ensure the generator was designed with a floating neutral.

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Surge Guard Entry Level Surge Protection W/Enhanced Intelligence, 30A - 44280 - 802-44280F1

Southwire, Wiring & Connectors
$168.09

Identifies faulty park power along with industry leading surge protection. Plug into power pedestal to test for and indicate open ground, open neutral or correct polarity. Indicators illuminate to show power status. Also includes a surge status and temperature sensor indicator LED.Designed to provide additional wiring diagnostics along with a robust integrated plug. The plug structure allows for greater heat dissipation and includes an overheating sensor. This product provides surge protection only. It DOES NOT provide low/high voltage or mis-wiring protection. Identifies faulty park power and provides surge protectionIncreased receptacle brass thickness reduces heatEasy-T-Grip™ handle with integrated receptacleEasy to read LED fault chart provides simple power analysisTests for and IndicatesOpen neutralOpen groundReverse polarityOpen circuit/no powerSurge protection statusOverheating plug/receptacle

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Surge Guard Entry Level Surge Protection W/Enhanced Intelligence, 50A - 44290 - 802-44290F1

Southwire, Wiring & Connectors
$208.89

Identifies faulty park power along with industry leading surge protection. Plug into power pedestal to test for and indicate open ground, open neutral or correct polarity. Indicators illuminate to show power status. Also includes a surge status and temperature sensor indicator LED.Designed to provide additional wiring diagnostics along with a robust integrated plug. The plug structure allows for greater heat dissipation and includes an overheating sensor. This product provides surge protection only. It DOES NOT provide low/high voltage or mis-wiring protection. Identifies faulty park power and provides surge protectionIncreased receptacle brass thickness reduces heatEasy-T-Grip™ handle with integrated receptacleEasy to read LED fault chart provides simple power analysisTests for and IndicatesOpen neutralOpen groundReverse polarityOpen circuit/no powerMissing leg 1/leg 2 voltage *50A only*Surge protection statusOverheating plug/receptacle

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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.