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Fuel Tanks & Systems

      Product Listing

      • Moeller OMC Engine/Tank Fuel Line Connector 3/8"
        $8.99
        $7.49

        Moeller Marine Johnson/Evinrude/OMC  Engine/Tank Fuel Line Connector 3/8" Moeller Marine female engine/tank connector that attaches to the fuel hose on the tank side of the engine side. 5/16" Barb Female Fuel Line Engine and Tank...

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      • Sierra 18-8050 Bleeder Hose Replaces 32-9938779
        $2.49
        $1.99

        Sierra 18-8050 Mercury Fuel Line Bleeder Hose Features: I.D.: .0625" O.D.: .190" Reel Size: 50' Alcohol Resistance Interchangeable with: Mercury Marine 32-9938779  

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      • Moeller Universal 5/16" Fuel Line Assembly
        $85.99
        $60.49

        Moeller 034395-10LPA Universal 5/16" Fuel Line Assembly  Assemblies use a compounded, tough & pliable UV-resistant 5/16" I.D.hose. Hose is 80" long. Can be used to customize your fuel line assembly to match the existing connector on your...

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      • Sea Dog Replacement Deck Fill Gas Cap- Red
        $19.49
        $14.49

        Sea Dog Replacement Deck Fill Gas Cap- Red Features: Fits Sea Dog brand 1-1/2" Deck Fills Cap molded from Fiberglass Filled Nylon The cap threads are 1-1/4" - 11-1/2 NPSM - Straight Gas, diesel and water caps include attachment chains Built-in key for...

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      • Sierra 116-337-0560 5/16" Low Perm Fuel Line
        $2.99
        $1.99

        Sierra 116-337-0560 5/16" Low Perm Fuel Line Sierra fuel line is OEM compatible. This low perm fuel line has a small outer diameter making it flexible and easy to clamp. This outboard fuel line is resistant to ethanol blended fuel and a THV barrier to...

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      • Moeller Marine Aluminum Anti-Siphon Barb
        $19.49
        $15.99

        Moeller Marine 033801-10 Aluminum Anti-Siphon Barb Anti-siphon valves, are required by Federal Law and the USCG on all permanent fuel tank installations. 30 Calibration for HP below 200 HP. Yields 30" vertical height protection. Deliver Coat...

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      • Moeller Marine Chrome Thru-Hull Fuel Tank Vent
        $24.49
        $20.49

        Moeller 035732-10 Chrome Thru-Hull Fuel Tank Vent Thru-Hull Vent for Hulls Up to 1/2" Thick Accommodates 5/8" Vent Hose Vent hose to the fuel tank for thru-hull ventilation Chrome Plated Finish

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      • Moeller Marine 3 Gallon Portable Fuel Tank
        $99.11
        $82.59

        Moeller Marine EPA Compliant 3 Gallon Portable Fuel Tank 620003LP Features: Low Perm Certified Manufactured from high-density multi-layer polyethylene with ultraviolet inhibitors. Advanced manufacturing techniques provide the highest quality...

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      • Moeller Marine Three Way Fuel Valve, 3 Female 1/4" NPT
        $68.99
        $48.49

        Moeller 033302-10 Marine Three Way Fuel Valve Constructed of brass, this Moeller Marine Three Way Fuel Valve meets ABYC H-24 requirements and provides anti-siphon protection. Features: 1/4" FNPT three way brass valve Connects (2) permanent tanks to...

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      • Perko Gas Tank Vent with Rotating Barbed Elbow
        $31.49
        $22.99

        Gas Tank Vent with 90 degree swivel elbow. Chrome plated zinc alloy cap with zinc alloy elbow. Black plastic splash guard. Removable 30 mesh stainless steel wire screen flame arrestor. Design allows elbow to be rotated to any position. Hose size 5/8"...

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      • Attwood 6 Gallon EPA Approved Fuel Tank
        $117.99
        $91.99

        Attwood 6 Gallon Fuel Tank with Gauge Attwood Portable Fuel Tanks are constructed of the same high strength Multi-layer Co-extruded HDPE/EVOH material as found in automotive fuel systems. Attwood portable fuel tanks are certified to EPA and CARB...

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      • Rule In-Line Bilge Blower For 4" Ducting
        $99.99
        $64.99

        Rule In-Line Bilge Blower For 4" Ducting The Rule In-Line Bilge Blowers are designed for efficient, high output operation. Each Rule In-Line Bilge Blower features their exclusive front and rear shaft seals and corrosion resistant motor housings for long...

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      • Scepter Marine 10511 6 Gallon Under Seat Portable Fuel Tank
        $107.49
        $72.99

        Scepter 6 Gallon Under Seat Portable Fuel Tank Scepter's 6-gallon under seat portable fuel tank delivers practical fuel storage for smaller boats and watercraft. The molded design provides enhanced stability and ventilation while fitting neatly under...

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      • Moeller Yamaha Fuel Tank Connector 1/4"
        $14.49
        $11.99

        Moeller 033470-10 Yamaha Fuel Tank Connector 1/4" NPT Moeller Marine male fuel tank engine connector designed for use with Yamaha outboard engines. 1/4" NPT Brass Male Fuel Line Tank Fitting Threads into Fuel Withdraw on Tank For Yamaha...

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      • Sierra 18-79809 Fuel Filter
        $22.49
        $16.49

        Sierra 18-79809 Fuel Filter Features: For use with Yamaha filter housing marked "6P3" only Micron Rating: 27 Interchangeable with: Yamaha Outboard 6P3-WS24A-00-00 6P3-WS24A-01-00 6P3-24563-00-00 6P3-24563-01-00

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      • Moeller 033808-10 Brass Anti-Siphon Barb
        $29.99
        $24.49

        Moeller Brass Anti-Siphon Barb 3/8" NPT x 3/8" Barb This must-have Moeller valve meets ABYC H-24 requirements and provides anti-siphon protection. The Moeller Brass Anti-Siphon Valve delivers Coast Guard/industry standard anti-siphon protection on all...

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      • Sea Dog Stainless Steel Recessed louvered Vent
        $49.99
        $43.49

        Sea Dog Stainless Steel Recessed Louvered Vent This Stainless Recessed Vent can be used in conjunction with Sea-Dog’s Polypropylene Collector Box part number 331202, 331203, 331204. It is designed to allow a flush surface at the vent area reducing...

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      Boat Fuel Tanks & Marine Fuel System Components

      Your boat’s fuel system includes several components working together to safely store fuel and deliver it to the engine. From the fuel tank to the fuel line and filtration system, each part plays an important role in maintaining reliable engine performance and preventing contamination or fuel delivery problems.

      Wholesale Marine carries a wide selection of marine fuel system parts designed for both inboard and outboard engines. Whether you are replacing worn components or upgrading your setup, you’ll find dependable solutions for fuel storage, delivery, and monitoring.

      Boat Fuel Tanks

      The fuel tank is the foundation of your boat’s fuel system. Many vessels rely on permanent boat fuel tanks installed below deck, while smaller boats and portable outboard setups often use portable boat fuel tanks. Choosing the correct tank size and material helps ensure safe fuel storage and dependable fuel delivery.

      Fuel Lines, Primer Bulbs & Fuel Delivery Components

      Fuel must travel from the tank to the engine through properly rated hoses and connectors. Boat fuel lines and hoses carry fuel safely while resisting ethanol damage, UV exposure, and vibration. Many systems also include a boat primer bulb to help prime the fuel line and ensure proper fuel flow before starting the engine.

      Fuel Filters & Fuel System Protection

      Fuel filters help protect your engine by removing debris, water, and other contaminants from fuel before it reaches the engine. Replacing worn or clogged marine fuel filters is an important part of routine boat maintenance and helps prevent costly engine problems.

      Fuel Senders, Deck Fills & Monitoring Components

      Fuel system monitoring components help you track fuel levels and maintain safe operation. Boat fuel sending units and gauges provide accurate readings of fuel levels inside your tank. Secure deck fills and gas caps help protect your tank from water intrusion and contamination during refueling.

      Fuel System Ventilation & Safety

      Proper ventilation helps prevent dangerous fuel vapor buildup in your engine compartment. Installing reliable bilge blowers and marine ventilation systems helps remove vapors and maintain a safer operating environment for your vessel.

      Complete Fuel System Solutions for Your Boat

      Maintaining your boat’s fuel system helps protect your engine, improve performance, and ensure safe operation on the water. Whether you need a replacement tank, new fuel lines, filters, or monitoring components, Wholesale Marine carries the marine fuel system parts you need to keep your boat running reliably.

      Boat Fuel System FAQs

      What parts make up a boat fuel system?

      A typical boat fuel system includes the fuel tank, fuel lines and hoses, primer bulbs, fuel filters, deck fills, and fuel sending units. These components work together to safely store fuel, deliver it to the engine, and monitor fuel levels during operation.

      How often should boat fuel system components be inspected?

      Boat fuel system components should be inspected at least once per season. Check fuel lines for cracks or stiffness, inspect primer bulbs and connectors for leaks, and replace fuel filters regularly to prevent contamination from reaching the engine.

      What causes water to get into a boat fuel tank?

      Water can enter a fuel tank through damaged deck fill caps, condensation inside the tank, or contaminated fuel. Installing proper fuel filters and keeping seals in good condition can help reduce the risk of water contamination.

      Are portable fuel tanks safe for boats?

      Yes. Portable fuel tanks are commonly used for small boats, inflatables, and auxiliary outboards. When properly secured and connected with marine-rated fuel lines and primer bulbs, they provide safe and reliable fuel storage.

      Why is proper fuel system ventilation important on a boat?

      Proper ventilation removes fuel vapors from the engine compartment and bilge area. Bilge blowers and ventilation systems help prevent dangerous vapor buildup that could lead to fire or explosion.