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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

      • Sierra 18-8020 Snapper Clamp Replaces 54-41582Q7
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        Sierra 18-8020 Snapper Clamp Replaces 54-41582Q7

        $1.49
        $0.94

        Sierra 18-8020 #8 Snapper Clamp for 5/16" Hose Clamp Range: .538" - .308" Interchangeable with: Chrysler/Force/US Marine F298788 415827 Johnson/Evinrude Outboard 322652 Mercury Marine 54-41582-7 54-41582Q7 OMC Stern...

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      • Moeller Universal 3/8" Fuel Line Assembly
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        Moeller Universal 3/8" Fuel Line Assembly

        $78.99
        $54.49

        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 Marine Low Profile Manually Vented Fuel Cap
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        Moeller Low Profile Manually Vented Fuel Cap

        $21.99
        $17.49

        Moeller 621501-10 Low Profile Manually Vented Fuel Cap  The Moeller Low Profile Fuel Cap is a Tempo Style vented fuel cap designed for recreational boating. Direct factory replacement parts for your portable fuel tank Used for Topside/Portable...

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      • Sea Dog Stainless Steel Deck Plate Key
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        Sea Dog Stainless Steel Deck Plate Key

        $5.99
        $4.49

        Sea Dog Stainless Steel Deck Plate Key Sea Dog investment cast 316 stainless steel deck plate key for use with all fill caps with 1-3/16" holes on center. Fits all Sea Dog cast stainless deck fill caps part #s 351320-351331 and 351-350-351353.

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      • Perko Vented Gas Deck Fill & Tank Vent
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        Perko Vented Gas Deck Fill & Tank Vent

        $39.49
        $28.49

        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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      • Quicksilver Power Tune
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        Quicksilver 92-858080Q03 Power Tune

        $13.99
        $11.99

        Quicksilver 92-858080Q03 Power Tune Internal Engine Cleaner Quicksilver Power Tune is used to remove performance-robbing carbon build-up from the combustion chamber. This engine cleaner can be used in all 2- and 4-cycle carbureted and fuel-injected...

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      • Attwood Replacement Boat Gas Cap and Chain
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        Attwood Replacement Gas Cap And Chain Stainless Steel

        $38.99
        $29.49

        Replacement Cap for gas, diesel and water hose deck fills. For 1-1/4" straight pipe threads. Highly polished finish. Flush cap is slotted for separate key and features an O-ring that seals the cap watertight. Cap is attached by a stainless steel beaded...

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      • Moeller Marine EPA Primer Bulb with 3/8" Hose Barbs
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        Moeller EPA Primer Bulb with 3/8" Hose Barbs

        $35.99
        $26.99

        Moeller Marine 034590-10LP EPA Primer Bulb with 3/8" 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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      • Moeller Yamaha Engine/Tank Fuel Line Connector 3/8"
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        Moeller Yamaha Engine/Tank Fuel Line Connector 3/8"

        $7.99
        $6.49

        Moeller 033481-10 Yamaha Engine or 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. 3/8" Barb Female Fuel Line Engine and Tank Connector Compatible...

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      • Moeller OMC Engine/Tank Fuel Line Connector 5/16"
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        Moeller OMC Engine/Tank Fuel Line Connector 5/16"

        $8.99
        $7.49

        Moeller 033410-10 OMC/Johnson/Evinrude Tank or Engine Fuel Line Connector 5/16"  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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      • Johnson/Evinrude Carbon Guard Fuel Additive 12oz
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        Johnson/Evinrude Carbon Guard Fuel Additive 12oz

        $45.49
        $28.49

        Johnson/Evinrude Carbon Guard Fuel Additive 12oz Johnson/Evinrude Carbon Guard is a gasoline additive formulated to minimize deposit build-up in 2-cycle and 4-cycle marine engines when used as directed. Carbon Guard Benefits: Reduced possibility of...

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      • Perko Vented Fills for 1.5" Hose - 35° Angled Neck
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        Perko Vented Gas Fill - 35° Angled Neck

        $39.49
        $28.49

        Perko Vented Gas Fill for 1.5" Hose - 35° Angled Neck Th Perko Vented Gas Fill is constructed of durable black polymer and features a 35 degree angled neck. This gas fill has an integral tank vent with an anti-surge valve. Deck plate key not...

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      • Yamaha Outboard Yamalube Ring Free Fuel Additive - 12 oz
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        Yamaha Outboard Yamalube Ring Free Fuel Additive

        $26.44
        $22.99

        Yamaha Outboard Yamalube Ring Free Fuel Additive - 12 oz One of the popular questions that Wholesale Marine representatives are asked is if they should use a fuel additive for their boat. We advise that it is because a good brand of marine fuel...

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      • Sea Dog Molded Abs Flush Vent
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        Sea Dog Molded Abs Flush Vent

        $6.89
        $5.99

        Flush Vent of injection molded abs.Hole size up to 4". Vent area 4.05 sq.in. Pre-drilled for # 8 F.H. Screw.Overall dimensions 4 15/16" x 4 15/16"

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      • Attwood Louvered Marine Plastic Venturi Vent
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        Attwood Louvered Marine Plastic Venturi Vent

        $26.49
        $21.99

        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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      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.