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Marine Fuel Additives

Fuel Filters

Boat Fuel Lines & Hoses

Fuel Senders & Gauges

Gas Caps & Deck Fills

Permanent Fuel Tanks

Portable Fuel Tanks

Ventilation

      Fuel Tanks & Systems

      • RDS Below Deck 18 Gallon Fuel Tank
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        RDS Below Deck Aluminum 18 Gallon Fuel Tank 59065

        $663.99
        $517.99

        RDS Below Deck 18 Gallon 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 to the...

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      • Attwood Fuel Demand Valve for Attwood tanks
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        Attwood Fuel Demand Valve for Attwood tanks

        $44.99
        $35.99

        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
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        BoatBuckle Gas Tank Or Battery Box Tie Down Strap

        $11.99
        $10.49

        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 053701-10 All-In-1 Fuel Tank Combo Package
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        Moeller 053701-10 All-In-1 Fuel Tank Package - 6 Gal

        $163.19
        $135.99

        Moeller 053701-10 All-In-1 Fuel Tank Package - 6 Gal The Moeller All-In-1 Fuel Tank Package contains an EPA/CARB approved 6 gallon fuel tank. The 2 pronged barb engine fitting is applicable to 1998 & Up Mercury, All Johnson/Evinrude, and most Yamaha...

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      • RDS Below Deck 40 Gallon Belly Tank
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        RDS Below Deck 40 Gallon Belly Tank

        $1,012.99
        $790.49

        RDS Below Deck 40 Gallon 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" vent...

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      • Moeller 50 Gallon Fuel Tank
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        Moeller 50 Gallon Fuel Tank

        $882.99
        $564.99

        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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      • Sierra Shields Series 368 Low Permeation Marine Fuel Hose 3/8"
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        Sierra Shields Series 368 Low Permeation Marine Fuel Hose 3/8"

        $43.69
        $37.99

        Sierra Shields Series 368 Low Permeation Marine Fuel Hose 3/8" Sierra Shields Series 368 Low Permeation Marine Fuel Hose 3/8" has a plastic barrier veneer with an NBR outer layer tube to prevent permeation. The shields series is a reinforced...

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      • Scepter Marine 10506 3 Gallon Under Seat Portable Fuel Tank
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        Scepter Marine 3 Gallon Under Seat Portable Fuel Tank

        $95.99
        $62.49

        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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      • Attwood 12 Gallon EPA Approved Fuel Tank
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        Attwood 12 Gallon EPA Approved Fuel Tank

        $185.99
        $141.49

        Attwood 12 Gallon Fuel Tank Attwood Portable Fuel Tanks are constructed of the same high strength Multi-layer Co-extruded HDPE/EVOH material as found in automotive fuel systems. Attood portable fuel tanks are certified to EPA and CARB standards and...

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      • Moeller Marine Female Fuel Tank Connector for Honda Engines
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        Moeller Female Fuel Tank Connector for Honda Engines

        $16.49
        $12.99

        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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      • Evinrude Injection Valve/Hose Assembly Adapter
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        Evinrude Injection Valve and Hose Assembly Adapter

        $8.99
        $5.99

        Evinrude Injection Valve and Hose Assembly Adapter Valve and hose ONLY for use with tuner 0777185 or with fogging oil 0777186. Screws right onto the schrader valve on Johnson and Evinrude outboards. Replaces: 0763644

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      • Moeller 20 Gallon Fuel Tank
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        Moeller 20 Gallon Fuel Tank

        $659.99
        $422.49

        Moeller 20 Gallon Fuel Tank Unlike aluminum tanks, this comprehensive line of cross-linked polythylene models is a distinctive Moeller innovation featuring: ethanol & biodiesel compliant corrosion/pit resistance & exclusive Moeller tite...

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      • Moeller 27 Gallon Fuel Tank
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        Moeller 27 Gallon Fuel Tank

        $633.99
        $405.99

        Moeller 27 Gallon Fuel Tank Unlike aluminum tanks, this comprehensive line of cross-linked polythylene models is a distinctive Moeller innovation featuring: ethanol & biodiesel compliant corrosion/pit resistance & exclusive Moeller tite...

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      • Moeller Marine Fuel Primer Bulb with 1/4" Hose Barbs
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        Moeller Fuel Primer Bulb with 1/4" Hose Barbs

        $34.99
        $26.49

        Moeller 034790-10LP Fuel Primer Bulb with 1/4" Hose Barbs Features: Gasoline and Solvent-Resistant Construction Stainless Steel Clamps Dual internal check valves to ensure a more rapid prime while preventing fuel flow back. Primer Bulb with...

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      Marine Gas Tanks

      For filling and maintaining your boat’s fuel tank systems, turn to the professionals at Wholesale Marine. We carry an extensive line of boat gas tanks from leading manufacturers for both inboard and outboard engine fuel tank systems. Whether you need a fuel filter, a fuel pickup tube, a funnel for pouring, a portable fuel tank, a complete fuel line assembly, hoses and connectors, senders and gauges, a replacement tank, fuel additives, gas caps and deck fills, or just a 14 gallon jerry can by Flo-N-Go, we have you covered. If you are not exactly certain about what you need, speak with our professional staff for solid advice.

      Regardless of its engine, every craft will have a permanent fuel tank below the deck with lines running to either its outboard or inboard engine. Fuel lines require routine maintenance. Wholesale Marine recommends using a fuel line treatment product such as Stabil or StarTron. It’s ironic, but water is the enemy of most boat systems and this is especially true of the fuel system. To maintain your permanent fuel tank (these are also known as boat gas tanks), here are some helpful tips from Wholesale Marine to protect your boat’s entire fuel system from costly repairs:

      1. Water in an engine’s fuel system leads to corrosion and corrosion leads to engine breakdown. Take action quickly when you first locate water in the fuel line or marine gas tank to possibly avoid repair bills altogether.

      2. Water sits under the fuel in a separate layer. If you are offshore and discover water in your fuel and your filter bowl is less than a quarter full of water, drain it and change the filter immediately. Then head in with caution.

      3. Gas inboards require metal filter bowls. Open the valve from underneath, and be sure to reinstall the safety plug in the drain valve

      4. Marine Gas Tanks’ Primary filters (the first filter after the fuel tank) block small amounts of water, but a larger amount might make it through. Be sure to check by dumping fuel from the secondary filter into a bucket and look for any water bubbles.

      5. Flush clean fuel from a jerry can through the engine to the connection at the high-pressure diesel injection pump or the gasoline injector supply rail. Be sure to use a filtered line. Most diesel engines have a manual fuel pump near the secondary filter or on the low-pressure supply pump. On gas engines, turn the ignition on and off to briefly run the fuel pump.

      6. If the motor stalled because of water, loosen diesel injector lines and turn the engine over with the starter until clean fuel runs through it. For gas engines, remove a sensor or plug at the far end of the supply rail and flush it there.

      7. Clean the tank and find the cause. Remove any sludge and inspect for deteriorated fuel fill-cap O-rings or gauge sender gasket seals. Replace as necessary. If your boat’s fuel line runs clean, your engine will as well. Therefore, it is very important that the fuel line be inspected routinely to avoid costly engine repairs caused by a faulty fuel line.

      We Stock Marine Gas Tanks at Wholesale Marine

      Should yours need replacement, know that Wholesale Marine stocks a large selection of below deck boat gas tanks and fuel system parts. If you are not sure what tank you need, give us a call. We’re boating enthusiasts, too and want you to enjoy your life on the water as much as we do. Call us: (877) 388-2628, Monday through Friday, 9:00 AM until 6:00 PM, EST.