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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 033807-10 Brass Anti-Siphon Barb
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        Moeller Brass Anti-Siphon Barb 1/4" NPT x 3/8"

        $24.49
        $19.99

        Moeller Brass Anti-Siphon Barb 1/4" 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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      • Moeller 17 Gallon Below Deck Permanent Marine Fuel Tank
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        Moeller 17 Gallon Below Deck Permanent Marine Fuel Tank

        $621.49
        $397.99

        Moeller 17 Gallon Below Deck Permanent Marine 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 &...

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      • Moeller 033808-10 Brass Anti-Siphon Barb
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        Moeller Brass Anti-Siphon Barb 3/8" NPT x 3/8"

        $27.49
        $21.99

        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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      • Attwood Louvered Marine Vent Stainless Steel
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        Attwood Louvered Marine Vent Stainless Steel

        $60.49
        $50.99

        Attwood Louvered Marine Vent Stainless Steel 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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      • Attwood Marine 90 Degree P-Trap Fuel Tank Vent
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        Attwood 90 Degree P-Trap Fuel Tank Vent

        $18.49
        $15.99

        Attwood Marine 90 Degree P-Trap Fuel Tank Vent The 1670/1671/1674 P-traps have been tested and certified by a third party lab to meet the ABYC weathertight and watertight requirements and ensure no liquid water will reach a fuel vent...

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      • RDS Above Deck Aluminum 13 Gallon Fuel Tank 59180
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        RDS Above Deck Aluminum 13 Gallon Fuel Tank 59180

        $360.99
        $281.49

        RDS Above Deck 13 Gallon Fuel Tank Special Order - Ships When Available. Contact customer service for more information on Special Order items. Dimensions (L x W x H): 18 1/2" x 14" x 12" Side Corners are radius bent, not welded All tanks have 1/4"...

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      • Sea Dog Stainless Steel Louvered Vent
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        Sea Dog Stainless Steel Louvered Vent

        $54.99
        $46.99

        Sea Dog Stainless Steel Louvered Vent The Sea-Dog Stainless Ventilator part numbers 331290-3 and 331300 can be used in conjunction with the Sea-Dog ABS Collector boxes:331293-331298 for model 331290 and Collector boxes:331303-331304 for model 331300...

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      • Moeller Marine Aluminum Anti-Siphon Barb
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        Moeller Aluminum Anti-Siphon Barb 3/8 x 3/8

        $22.99
        $18.49

        Moeller Marine 033802-10 Aluminum Anti-Siphon Barb Anti-siphon valves, are required by Federal Law and the USCG on all permanent fuel tank installations. Use 15 (Brass) calibrated for HP 200 & above and 30 (Aluminum) calibrated for HP below 200...

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      • Moeller 27 Gallon Below Deck Permanent Marine Fuel Tank
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        Moeller 27 Gallon Below Deck Permanent Marine Fuel Tank

        $664.49
        $424.99

        Moeller 27 Gallon Below Deck Permanent Marine 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 &...

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      • Perko Vented Gas Fill for 1.5" Hose - Straight Neck
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        Perko Vented Gas Fill for 1.5" Hose - Straight Neck

        $78.99
        $56.99

        Perko Vented Gas Fill for 1.5" Hose - Straight Neck The Perko 0541 series of vented fills are built to be durable and long lasting. This fill is marked for gas and features a 2-7/16" straight neck. Perko's 0541 series fills are constructed with a black...

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      • Attwood Marine Fuel Tank Vent - Straight
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        Attwood Fuel Tank Vent - Straight

        $10.99
        $9.49

        Attwood Marine Fuel Tank Vent - Straight Patented splash-resistant, corrosion-resistant polypropylene. Meets ABYC ventilation specifications. All Attwood fuel tank vents meet or exceed U.S. Coast Guard regulations. Hose Size 5/8" ID <

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      • Moeller 39 Gallon Fuel Tank
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        Moeller 39 Gallon Fuel Tank

        $816.99
        $571.99

        Moeller 39 Gallon Below Deck Fuel Tank Moeller is the leading manufacturer of below-deck, marine fuel tanks. Their lines of polyethylene models are known industry-wide for their durability and regulation-compliant design. Every Moeller fuel tank is...

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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.