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Fuel Tanks & Systems

      Product Listing

      • Attwood Fuel Demand Valve for Attwood tanks
        $49.49
        $40.49

        Attwood's exclusive Fuel Demand Valve ensures pressurized fuel does not reach the engine preventing engine flooding and fuel spillage. New EPA portable fuel tanks are required to remain sealed up to a minimum of 5psi. The Attwood Fuel Demand Valve...

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      • BoatBuckle Gas Tank Or Battery Box Tie Down Strap
        $11.99
        $11.49

        This universal tie-down can be used for securing gas tanks or battery boxes. It features durable 1" nylon webbing, sewn web pad, and our original 1" Kwik-Lok buckle, along with a zinc coated J-hook. Easy to adjust. Easy to lock. Easy to use. Size 1"x 4'

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      • Moeller 29 Gallon Fuel Tank
        $906.99
        $598.99

        Moeller 29 Gallon Permanent Fuel Tank Unlike aluminum tanks, this comprehensive line of cross-linked polyethylene models is a distinctive Moeller innovation featuring: ethanol & biodiesel compliant corrosion/pit resistance & exclusive Moeller...

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      • Mercury  - Mercruiser  92-8M0047931 Quickleen Engine And Fuel System Cleaner Thumbnail Image
        $20.39
        $16.99

        Mercury 8M0047931 Quickleen Engine And Fuel System Cleaner - 12 oz Mercury Quickleen is an excellent way to remove carbon deposits throughout the boating season. Keep your carburetors, injectors, valves, pistons, and cylinders working smooth for optimal...

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      • Moeller Marine Female Fuel Tank Connector for Honda Engines
        $17.99
        $14.99

        Moeller Marine 033498-10 Female Fuel Tank Connector for Honda Engines Attaches to fuel hose on the fuel tank side. 3/8" I.D. fuel hose Female Use with Moeller tank fitting part # moe-033496-10 For use on Honda engines 1991 & Newer

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      • Moeller 50 Gallon Fuel Tank
        $986.49
        $650.99

        Moeller 50 Gallon Permanent Fuel Tank Moeller Marine has stocked quality marine fuel products for your below deck needs including the Moeller 50 gallon gas tank for over 25 years. They are the brand trusted by boaters and boat manufacturers alike for...

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      • Moeller Electric 4-28" Fuel Sending Unit w/Gauge
        $109.99
        $78.99

        Moeller Electric 4-28" Fuel Sending Unit w/Gauge The Moeller Electric 4-28" Fuel Sending Unit is one of the industry's best OEM compatible fuel sender with a remote gauge. A complete line of universal swing arm fuel senders that can range from 4" up to...

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      • Sea Dog Marine Bronze Adjustable Deck Plate Key
        $65.99
        $45.99

        Sea Dog Bronze Adjustable Deck Plate Key This Sea Dog Deck Plate Key opens to a maximum of 6" and comes with two sizes of stainless steel pins, 3/16" and 5/16" allowing it to fit most plates or caps. Features a drilled hole in the handle for the...

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      • Sea Dog Cast Stainless Fuel Deck Fill
        $73.99
        $55.49

        Sea Dog Cast Stainless Fuel Deck Fill Sea-Dog Deck Fills are made from corrosion-resistant cast 316 stainless steel. Cap threads are 1-1/4" - 11-1/2 NPSM - Straight. For use with 1 1/2" hose O.D. measures 3" Installs with (3) #10 FH fasteners (not...

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      • RDS Below Deck 18 Gallon Fuel Tank
        $663.99
        $530.99

        RDS Below Deck 18 Gallon Aluminum Fuel Tank Special Order - Ships When Available. Contact customer service for more information on Special Order items. RDS has been a leading provider of custom aluminum fuel tanks for over 50 years. They are committed...

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      • RDS Below Deck 40 Gallon Belly Tank
        $1,012.99
        $810.49

        RDS Below Deck 40 Gallon Aluminum Belly Tank Special Order - Ships When Available. Contact customer service for more information on Special Order items. Side Corners are radius bent, not welded All tanks have 1/4" NPT pickup, 1 1/2" fill, and 1/2"...

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      • Scepter Marine 10506 3 Gallon Under Seat Portable Fuel Tank
        $95.99
        $65.49

        Scepter 3 Gallon Under Seat Portable Fuel Tank Features: Molded for increased stability and ventilation accepts standard 1/4 NPT marine tank fittings convenient fuel sight gauge/ pick up Eco check features: Automatic air inflow valve Ethanol...

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      • Whitecap Stainless Steel 1-1/2" Angled Gas Deck Fill w/ Key
        $93.99
        $68.99

        Whitecap Stainless Steel 1-1/2" Angled Gas Deck Fill w/ Key The Whitecap Stainless Steel 1-1/2" Angled Gas Deck Fill w/ Key is imprinted and color coded with the international standard symbols. Features: Flange: 3" Hose: 1-1/2" Angle:...

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      • Sierra 67021P Black Sterling Series Fuel Gauge
        $49.49
        $35.49

        With its rich luster and polish, Black Sterling instruments convey a look of utmost sophistication and add elegance to any dash. These instruments have fire-orange pointer tips and stainless graphics for a contemporary, ultra stylish look. Black Sterling...

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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.