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Fuel Filters

      Product Listing

      • Sierra 18-7860 Fuel Filter Replaces 35-49088Q2
        $11.49
        $9.99

        Sierra 18-7860 Fuel Pump Filter for Mercruiser, OMC High-quality engine parts are designed to meet OEM specifications. For Mercruiser, Mercury, Chris-Craft and OMC Inline 4 & 6 Cyl Engines with AC Fuel Pumps. Use with: 18-7278 Fuel...

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      • Mercury 8M0166596 Water Separating Fuel Filter
        $49.19
        $40.99

        Mercury 8M0166596 Water Separating Fuel Filter This Mercury outboard fuel filter is designed to remove water and other impurities from your gasoline. This helps optimizes the performance of your Mercury fuel system. The unique filtration system helps...

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      • Sierra 18-7859 Fuel Filter Replaces 35-53336Q
        $8.99
        $6.99

        Sierra 18-7859 Fuel Filter for Mercruiser, Volvo, OMC For most GM Inline 4 & 6 cycle, Ford & GM V-8's up to 400 HP and all Mercruiser 224 CID engines. Interchangeable with: GLM 24840 Johnson/Evinrude...

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      • Sierra 18-7947 Fuel Filter 10 Micron Replaces17670-ZW1-030GH
        $27.99
        $19.99

        Sierra 18-7947 10 Micron Fuel Water Separator Filter - Racor Style Sierra 10-micron fuel water separator filters are over 90% effective at removing dirt and debris from your fuel system without starving the engine for fuel. Sierra high-quality fuel...

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      • Sierra 18-7829 Fuel Filter Replaces 35-81629K03
        $8.49
        $6.99

        Sierra 18-7829 Large Capacity Inline Fuel Filter This Sierra high-quality Inline Fuel Filter is designed to be a direct-replacement OEM filter, so you can install with confidence. Sierra Inline filters are tested and approved for ethanol-based fuels and...

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      • Yamaha 6D8-WS24A-00-00 Element Fuel Filter
        $25.49
        $22.49

        Yamaha 6D8-WS24A-00-00 Element Fuel Filter The 6D8-WS24A-00-00 is a genuine OEM replacement Fuel Filter for Yamaha Outboard Engines. Fits: Yamaha Outboard Engines 30HP 2013 - 2014 40HP 2008 - 2014 50/60HP 2007 - 2014 70HP 2010 - 2014 75/90HP...

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      • Sierra 18-7712 Fuel Filter (Inline) - Replaces 35-16248
        $17.49
        $12.99

        Sierra 18-7712 Fuel Filter (Inline) - Replaces 35-16248 Sierra replacement inline fuel filter used to replace old, worn in-line fuel filters located under cowl on outboard engines. This fuel filter has a Micron rating of 74. All Sierra aftermarket...

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      • Sierra 18-7869 Fuel Filter Replaces 1297-8767Q
        $10.49
        $8.49

        Sierra 18-7869 Mercruiser Fuel Filter Assembly Sierra high-quality fuel filter assembly. For Rochester 2bbl & 4bbl. Use with 18-7859 Fuel Filter. Micron Rating: 30 Interchangeable with: GLM 24841 Mercruiser Stern...

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      • Mercury-Mercruiser 35-8M0219171 Fuel Filter
        $22.49
        $19.99

        Mercury-Mercruiser 35-8M0149607 Fuel Filter Genuine OEM Mercury-Mercruiser part. Cartridge type filter located under the cowl on outboard engines Applications: 25 - 60HP EFI Four Stroke Serial Nos. 0T409000 and Above Supersedes 35-8M0149607 Special...

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      • Sierra 18-7855 Fuel Filter Replaces 1397-2150
        $14.49
        $11.99

        Sierra 18-7855 Fuel Filter for Mercruiser Stern Drives, OMC Sierra high-quality fuel filters are designed to meet OEM specifications.  Rochester carburetor inlet Interchangeable with: Fram CG11 GLM 24980 Johnson/Evinrude...

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      • Sierra 23-7760 Fuel Filter For Onan
        $26.99
        $19.49

        Sierra 23-7760 Fuel Filter For Onan Sierra high-quality replacement canister fuel filter for Onan Generators. Interchangeable with: Onan A026K278 149-2106 Application: Onan MDKAD/E/F MDKAU MDKAV MDKAW...

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      • Sierra 18-7714 Fuel Filter (Inline)
        $21.49
        $15.49

        Sierra 18-7714 Fuel Filter (Inline) Sierra inline fuel filter are designed to be direct replacements for OEM filters, making them easy to install. Sierra inline fuel filters are tested and approved for ethanol-based fuels and meet the demands of today's...

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      • Mercury 35-18458T-3 Fuel Filter Kit Thumbnail Image
        $40.19
        $33.49

        Mercury 18458T3 Fuel Filter for V-6 EFI Outboards 1995-Prior The Mercury 18458T3 fuel filter kit is for 1995 and prior Mercury and Mariner V6 2-stroke EFI outboards. It includes a screw-on water separating fuel filter that Filters water and...

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      Marine Fuel Filters

      Boat fuel filters are an essential part of your vessel’s marine fuel system. These filters remove dirt, debris, and water from fuel before it reaches the engine, helping prevent clogs, corrosion, and engine performance problems.

      Without proper filtration, contaminants can enter the fuel system and damage sensitive engine components. Regularly replacing marine fuel filters helps maintain smooth engine operation and protects your investment.

      Marine Fuel Water Separators

      Many modern marine fuel filters include a fuel water separator. These systems trap water that enters the fuel tank through condensation or contaminated fuel. Removing water from fuel is critical because water can cause corrosion and poor engine performance.

      Fuel water separators are commonly used with permanent boat fuel tanks and are often installed between the fuel tank and the engine to provide an additional layer of protection.

      Types of Boat Fuel Filters

      Inline Fuel Filters

      Inline marine fuel filters are installed directly within the fuel line and provide basic filtration for small debris and contaminants.

      Spin-On Fuel Water Separators

      Spin-on fuel filters are commonly used in marine applications and combine filtration with water separation. These filters are easy to replace and offer excellent protection for outboards, inboards, and sterndrive engines.

      Why Fuel Filter Maintenance Matters

      Fuel system maintenance is critical for preventing engine trouble on the water. Over time, fuel filters can become clogged with debris or contaminated fuel, restricting fuel flow and reducing engine performance.

      Replacing worn filters helps keep fuel moving freely through boat fuel lines and hoses and ensures clean fuel reaches the engine.

      Shop Marine Fuel Filters at Wholesale Marine

      Wholesale Marine carries a wide selection of reliable boat fuel filters and marine fuel water separators designed to protect your engine and maintain proper fuel delivery. Whether you need a replacement inline filter or a complete fuel water separator system, you’ll find the marine fuel filtration components needed to keep your boat running smoothly.

      Boat Fuel Filter FAQs

      What does a marine fuel filter do?

      A marine fuel filter removes dirt, debris, and water from fuel before it reaches the engine. This helps protect sensitive engine components and ensures reliable performance.

      How often should boat fuel filters be replaced?

      Most marine fuel filters should be inspected each boating season and replaced at least once per year or according to the engine manufacturer’s maintenance schedule.

      What is a fuel water separator?

      A fuel water separator is a type of fuel filter designed to remove water from fuel before it reaches the engine. Water separators are commonly used in marine fuel systems to prevent corrosion and fuel contamination.

      Can a clogged fuel filter cause engine problems?

      Yes. A clogged fuel filter can restrict fuel flow to the engine, causing hard starting, loss of power, sputtering, or stalling.

      Where is a boat fuel filter located?

      Fuel filters are typically installed between the fuel tank and the engine along the fuel line. Many boats use a primary water separating filter near the tank and a secondary filter near the engine.