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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

      • Moeller Mercury Engine Fuel Line Connector 3/8"
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        Moeller Clip Engine Connector for Mercury Engines

        $10.99
        $8.99

        Moeller Marine Clip Engine Connector for Mercury Engines Attaches to fuel hose on the engine side. 3/8" Barb Female Clip Style For use with Moeller tank fitting part  #moe-033477-10 For use on Mercury Engines 1998 and Newer.  1997...

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      • Moeller Marine Aluminum Anti-Siphon Barb
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        Moeller Aluminum Anti-Siphon Barb

        $17.99
        $14.49

        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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      • Mercury 35-879885K In-Line Fuel Filter
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        Mercury 35-879885K In-Line Fuel Filter

        $16.79
        $13.99

        Mercury 35-879885K In-Line Fuel Filter Genuine OEM Mercury replacement in-line fuel filter. Fits 30/40 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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      • Perko Gas Tank Vent with Rotating Barbed Elbow
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        Perko Gas Tank Vent with Rotating Barbed Elbow

        $25.99
        $18.99

        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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      • Scepter Marine 08667 9 Gallon Rectangular Portable Fuel Tank
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        Scepter Marine 9 Gallon Rectangular Portable Fuel Tank

        $146.99
        $101.49

        Scepter 9 Gallon Rectangular 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...

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

        $7.99
        $6.49

        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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      • Rule In-Line Bilge Blower For 4" Ducting
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        Rule In-Line Bilge Blower For 4" Ducting

        $70.99
        $44.99

        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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      • Sea Dog Stainless Steel Recessed louvered Vent
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        Sea Dog Stainless Steel Recessed louvered Vent

        $41.99
        $35.49

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

        $59.99
        $40.99

        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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      • Mercury Mercruiser Gen III Fuel Cooler Marine Fuel Filter
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        Quicksilver 35-8M0093688 Gen III Fuel Cooler Fuel Filter

        $73.19
        $60.99

        Mercury - Mercruiser 35-8M0093688 Gen III Fuel Cooler Fuel Filter Fits: 350 Mag MPI Alpha/Bravo, 350 Mag MPI Horizon Alpha/Bravo, 350 Mag MPI Horizon MIE 350 Mag MPI MIE, 496 MAG, 496 MAG H.O., 5.0 MPI Alpha/Bravo 8.1L Inboard, 8.1L Inboard H.O.,...

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      • Moeller Yamaha Fuel Tank Connector 1/4"
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        Moeller Yamaha Fuel Tank Connector 1/4"

        $12.99
        $10.49

        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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      • Scepter Marine 10511 6 Gallon Under Seat Portable Fuel Tank
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        Scepter Marine 6 Gallon Under Seat Portable Fuel Tank

        $107.49
        $69.99

        Scepter 6 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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      • Starbrite Star-Tron Diesel Additive 16 ounce
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        Starbrite Star-Tron Diesel Additive

        $24.14
        $20.99

        Starbrite Star-Tron Diesel Additive Starbrite Star Tron Enzyme Fuel Treatment is a multi-functional fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even after sitting idle for months...

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      • Sea Dog Replacement Deck Fill Gas Cap- Red
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        Sea Dog Replacement Deck Fill Gas Cap- Red

        $9.49
        $6.99

        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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      • Scepter Marine 08576 3.2 Gallon Portable Fuel Tank
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        Scepter Marine 3.2 Gallon Portable Fuel Tank

        $98.99
        $64.49

        Scepter 3.2 Gallon 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 and...

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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.