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Fuel Tanks & Systems

      Fuel Tanks & Systems Product Listings

      • Sta-Bil Marine Ethanol Formula 32 oz
        $14.94
        $12.99

        Sta-Bil 360° Marine Fuel Treatment Keep your marine engine running at its best with Sta-Bil 360° Marine Fuel Treatment. This powerful formula fights ethanol damage while cleaning your entire fuel system of carbon, gum, and varnish buildup. It...

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      • Sierra 18-7846 Fuel Filter Replaces 502905
        $15.49
        $11.99

        Sierra 18-7846 21 Micron Fuel Water Separator Filter Sierra high quality replacement Water Separating Fuel Filters are designed to be direct replacements of OEM filters. This fuel filter is specifically designed for the marine environment and today's...

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      • Sea Dog Hose Thru Vent
        $5.49
        $4.99

        Sea Dog Hose Thru Vent 3" Size: 3-5/8" Square 4" Size: 4-15/16" Square Injection Molded ABS

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      • Boat Buckle Kwik-Lok Gas Tank/Battery Box Tie-Down
        $17.49
        $12.99

        Boat Buckle Kwik-Lok Gas Tank/Battery Box Tie-Down The Boat Buckle universal tie-down features durable one-inch nylon webbing, sewn web pad, Kwik-Lok buckle, and a zinc-coated J-hook. Easy to adjust. Easy to lock. Easy to use.  1″ Wide x...

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      • Moeller Reed Switch Fuel Sending Unit long cable view
        $101.76
        $88.49

        Moeller Reed Switch Fuel Sending Unit Collect fuel level information more consistently than swingarm senders by taking the measurement from the float-which is still a moving part.  However the fluctuation is much less because the range of motion is...

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      • Quicksilver 35-879885Q In-Line Fuel Filter
        $17.39
        $14.49

        Quicksilver 35-879885Q In-Line Fuel Filter This under-cowl inline fuel filter offers essential protection by removing fuel-borne contaminants before they reach your engine. With a translucent body for easy inspection, it fits a wide range of Mercury and...

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      • Mercury 35-8M0106635 Water Separating Fuel Filter w/ Packing
        $65.99
        $54.99

        Mercury 35-8M0106635 Water Separating Fuel Filter Genuine OEM replacement Mercury 35-8M0106635 Water Separating Fuel Filter. Mercury fuel filters are constructed of the highest quality materials and are made specifically for marine applications. This...

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      • Attwood Louvered Marine Plastic Venturi Vent - Black
        $18.49
        $15.99

        Attwood Louvered Marine Plastic Venturi Vent Attwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull. Ventilation hose (not included) twists into the bottom of the box to form a raised...

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      • Moeller Marine 12 Gallon Topside Fuel Tank with Low Profile
        $177.95
        $148.29

        Moeller Marine 12 Gallon Topside Fuel Tank with Low Profile Occasionally marine fuel tanks need replacement after years in the harsh marine environment. This Moeller Marine Topside Fuel Tank has a 12 gallon capacity and a low profile design...

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      • Moeller Universal 3/8" Fuel Line Assembly
        $87.99
        $61.49

        Moeller Marine 034390-10LPA Universal 3/8" Fuel Line Assembly 80" Long 3/8" I.D. Hose Customize your fuel line assembly to match the existing connector on your fuel tank. Assemblies use a compounded, tough & pliable UV-resistant hose. Promotes...

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      • Moeller Johnson/Evinrude Fuel Tank Connector 1/4"
        $12.99
        $10.99

        Moeller Marine 033400-10 Johnson/Evinrude/OMC Fuel Tank Connector 1/4" Moeller Marine replacement male tank connector constructed of high quality brass. Designed for Johnson/Evinrude outboard engines Male engine/tank connector 1/4" NPT thread High...

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      • Starbrite Star Tron 1oz Enzyme Fuel Treatment
        $5.00
        $4.00

        Starbrite Star Tron 1oz Enzyme Fuel Treatment - Super Concentrate The Star Tron fuel treatment is a multifunctional fuel additive utilizes a unique enzyme technology to help with easier starts and for engines to run smoothly while running. ...

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      • Mercury 35-879885K In-Line Fuel Filter
        $18.59
        $15.49

        Mercury 35-879885K In-Line Fuel Filter Genuine OEM Mercury replacement in-line fuel filter. Fits 25-40 HP EFI 4-Stroke Outboards 4-Cylinder (996cc) 40/50/60 HP EFI 4-Stroke Outboards 75-115 HP 4-Stroke Outboards (s/n 1B366823 and up) 135-300 HP...

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      • Moeller Marine 12 Gallon Portable Fuel Tank
        $177.95
        $148.29

        Moeller Marine 630012LP EPA Compliant 12 Gallon Portable Fuel Tank Moeller Marine portable fuel tanks are designed and manufactured to deliver uncompromising quality and value. The high profile design and seamless one-piece construction makes this tank...

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      • Perko Vented Gas Deck Fill & Tank Vent
        $42.29
        $30.89

        Integral tank vent with flame arrestor. No deck plate key or ground wire required. Black plastic with flip top cap. 2-7/16" neck length, 1-1/2" for fuel hose, 5/8" for vent hose.

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      • Sea Dog Stainless Steel Round Louvered Vent
        $11.99
        $10.49

        Sea Dog Stainless Steel Round Louvered Vent This Sea Dog Stainless Steel Louvered Air Vent is constructed of corrosion-resistant stamped 304 stainless steel. Allows air in while keeping water out. Stainless steel round louvered vent. Measures 5"...

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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.