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Fuel Tanks & Systems

      Fuel Tanks & Systems Product Listings

      • SIE-18-7718
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        $16.09
        $11.59

        Sierra 18-7718 Mercury Fuel Filter Sierra Inline Fuel Filters are direct replacement OEM filters, making them easy to install. All Sierra Inline fuel filters are tested and approved for ethanol-based fuels and meet the demands of today's high...

      • Moeller Johnson/Evinrude Fuel Tank Connector 1/4"
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        $13.39
        $11.19

        Moeller Marine 033400-10 Johnson/Evinrude/OMC Fuel Tank Connector 1/4" Moeller Marine replacement male tank connector constructed of high quality brass. Designed for Johnson/Evinrude outboard engines Male engine/tank connector 1/4" NPT thread High...

      • Starbrite Star Tron 1oz Enzyme Fuel Treatment
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        $5.00
        $4.00

        Starbrite Star Tron 1oz Enzyme Fuel Treatment - Super Concentrate The Star Tron fuel treatment is a multifunctional fuel additive utilizes a unique enzyme technology to help with easier starts and for engines to run smoothly while running.  Maximize...

      • Moeller Marine 12 Gallon Portable Fuel Tank
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        $190.43
        $158.69

        Moeller Marine 630012LP EPA Compliant 12 Gallon Portable Fuel Tank Moeller Marine portable fuel tanks are designed and manufactured to deliver uncompromising quality and value. The high profile design and seamless one-piece construction makes this tank...

      • Sea Dog Stainless Steel Round Louvered Vent
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        $11.99
        $10.49

        Sea Dog Stainless Steel Round Louvered Vent This Sea Dog Stainless Steel Louvered Air Vent is constructed of corrosion-resistant stamped 304 stainless steel. Allows air in while keeping water out. Stainless steel round louvered vent. Measures 5"...

      • Sierra 18-7830 Fuel Filter Replaces 35-81629K2
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        $9.69
        $8.29

        Sierra 18-7830 Inline Fuel Filter Sierra high-quality replacement engine parts are designed to meet OEM specifications. Sierra Inline fuel filters are tested and approved for ethanol-based fuels and are designed to meet the demands of today's high...

      • Sierra 18-7981 Fuel Filter Replaces 35-8M0060041
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        $34.49
        $24.79

        Mercury Outboard Fuel Filter Element by Sierra Fits the new Verado outboard replaceable cartridge fuel filter and the newer 1.5L & 3.0L DFI outboards that utilize a vapor separator with a top screw-in type filter. Replaces: Mercury...

      • Sierra 18-7977-1 Fuel Filter Replaces 35-8M0093688
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        $62.99
        $45.29

        Sierra 18-7977-1 MerCruiser Fuel Filter Sierra replacement fuel filters are manufactured to meet or exceed OEM requirements. Features: Micron rating: 20 Includes 0-Rings Supersedes: 18-7977  It is recommended to change this filter and...

      • Sea Dog Stainless Steel Deck Plate Key
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        $6.99
        $6.49

        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.

      • Moeller Marine Low Profile Manually Vented Fuel Cap
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        $30.99
        $24.79

        Moeller 621501-10-1 Low Profile Manually Vented Fuel Cap  The Moeller Low Profile Fuel Cap is a Tempo Style vented fuel cap designed for recreational boating. For Boats internationally and boats built before 2011. Direct factory replacement...

      • Attwood Replacement Boat Gas Cap and Chain
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        $35.99
        $27.99

        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...

      • Perko Chrome 3" Cowl Vent with Black Plastic Base
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        $50.89
        $39.69

        Perko Chrome 3" Cowl Vent with Black Plastic Base 3" chrome zinc cowl vent with black plastic base. Uses 3" vent hose. Dimensions: 2 5/8"H x 4 3/8"W x 5 3/4"L.

      • Perko Chrome Gas Tank Vent with Black Plastic Splash Shield
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        $26.39
        $17.89

        Chrome plated zinc alloy with black plastic splash guard Removable 30 mesh stainless steel wire screen flame arrestor Hose size 5/8" Maximum hull thickness 3/4"

      • Moeller Yamaha Engine/Tank Fuel Line Connector 3/8"
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        $8.89
        $7.39

        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...

      • Sierra 18-7831 Fuel Filter Replaces 802128A1
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        $10.59
        $9.09

        Sierra 18-7831 3/8" Universal Inline Fuel Filter Sierra fuel filters undergo extensive testing to ensure quality. Each Sierra Inline filter feature sonically sealed end caps and are approved for use with ethanol-based fuels. Sierra recommends checking...

      • Sierra 116-402-3003-1 Black Vinyl Vent Blower Hose 3" x 10'
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        $14.89
        $14.09

        Sierra 116-402-3003 Black Vinyl Vent Blower Hose 3" x 10' Features: Resistant to the ozone and UV Primary use is for venting bilge fumes Supported by anodized wire helix Shields Vinylvent Ducting Hose Specifications: Wt.: .8 O.D. :...

      • Moeller Marine Permanent Fuel Tank Installation Kit
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        $165.49
        $125.79

        Moeller 035723 Permanent Fuel Tank Installation Kit Includes the following: Deck fill and gasket (2) 1-1/8" and (4) 2-1/4" stainless steel hose clamps One 12" fuel fill hose 25" of 5/8" vent hose 5/8" brass hose barb 2 Mounting strips Chrome -plated...

      • Quicksilver 35-879884T Fuel Filter
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        $19.19
        $15.99

        Quicksilver 35-879884T Fuel Filter The Quicksilver 35-879884T is an OEM-quality under-cowl fuel filter designed for Mercury 30HP 3-cylinder and 40–60HP 4-cylinder EFI FourStroke outboards (serial #0T409000 and above). It features a 20-micron...

      • Sierra 68390P Eclipse Series Fuel Gauge
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        $51.99
        $37.39

        Sierra 68390P Eclipse Series Fuel Gauge Smart white and blue graphics on a black dial background, these very low profile bezels follow the curve of the lens to eliminate water trapping. Designed with domed glass sheds water and resists scratching...

      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.