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Fuel Filters

      Fuel Filters Product Listings

      • Mercury - Mercruiser 35-15028-2 Fuel Filter
        $460.99
        $386.99

        Mercury - Mercruiser 35-15028-2 Fuel Filter Genuine OEM Mercury-Mercruiser part. .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 35-76934A01 Filter Kit-Fuel
        $216.99
        $190.99

        Mercury - Mercruiser 35-76934A01 Fuel Filter Kit Genuine OEM Mercury-Mercruiser part. Application: 225 HP EFI - 0T653945 & Up Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please...

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      • Mercury - Mercruiser 35-807256T-1 Fuel Filter Assy
        $199.99
        $175.99

        Mercury - Mercruiser 35-807256T-1 Fuel Filter Assy Genuine OEM Mercury-Mercruiser part. .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model...

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      • Mercury - Mercruiser 35-808275 Fuel Filter
        $72.49
        $63.49

        Mercury - Mercruiser 35-808275 Fuel Filter Genuine OEM Mercury-Mercruiser part. Application: 7.3L (BRAVO & MIE) DIESEL NAV 444 V-8 - 1994-1996 (0F060000 & Up) 7.3L (BRAVO & MIE) DIESEL NAV 444 V-8  - 1994-1996 (0F060000 & Up) 7.3L...

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      • Mercury - Mercruiser 35-809099 Fuel Filter
        $44.99
        $39.99

        Mercury - Mercruiser 35-809099 Fuel Filter Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 35-809100 Fuel Filter
        $132.99
        $116.99

        Mercury - Mercruiser 35-809100 Fuel Filter Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 35-809867 Fuel Filter Assy
        $573.99
        $481.99

        Mercury - Mercruiser 35-809867 Fuel Filter Assy Genuine OEM Mercury-Mercruiser part. Application: D7.3L D-TRONIC 260 LD - 1999 (0L050050 & Up) D7.3L D-TRONIC - 1998 (0K095775 & Up) D7.3L D-TRONIC 300 - 1999 (0L050050 & Up) Special Order...

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      • Mercury - Mercruiser 35-809868T Fuel Filter
        $27.99
        $24.99

        Mercury - Mercruiser 35-809868T Fuel Filter Genuine OEM Mercury-Mercruiser part. Application: D7.3L D-Tronic 260 LD - 1999 (0L050050 & Up) D7.3L D-Tronic 300 - 1999 (0L050050 & Up) Special Order Item: This product is ordered specifically for...

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      • Mercury - Mercruiser 35-818700T Filter-Fuel
        $124.49
        $104.99

        Mercury - Mercruiser 35-818700T Fuel Filter Genuine OEM Mercury-Mercruiser part. Application: S2000 - 0D030200 & Up SST 120 - 0D030200 & Up 2.5L (EFI) ( EFI-OFFSHORE) - 0G857000 Through 0T999519 Special Order Item: This product is ordered...

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      • Mercury - Mercruiser 35-823534 Filter-Fuel
        $12.99
        $11.99

        Mercury - Mercruiser 35-823534 Fuel Filter Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 35-842645A01 Filter Assy-Fuel
        $430.99
        $361.99

        Mercury - Mercruiser 35-842645A01 Fuel Filter Assy Genuine OEM Mercury-Mercruiser part. Application: 1075 SCi - 0M957032 Through 0M962885 1075 SCi - 0M962885 & Up 1200 SCi - 0M962886 & Up 1200 SCi - 0M956534 Through 0M962885 850 SCi - 0M962886...

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      • Mercury - Mercruiser 35-842645A03 Filter Kit-Fuel
        $75.99
        $63.99

        Mercury - Mercruiser 35-842645A03 Fuel Filter Kit  Genuine OEM Mercury-Mercruiser part. Application: 1075 SCi - 0M957032 Through 0M962885 1075 SCi - 0M962886 & Up 1200 SCi - 0M962866 & Up 850 SCi - 0M957579 Through 0M962885 1200...

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      • Mercury - Mercruiser 35-848355T01 Fuel Filter Assy
        $475.99
        $399.99

        Mercury - Mercruiser 35-848355T01 Fuel Filter Assy Genuine OEM Mercury-Mercruiser part. Application: 662 SCi - 0M962886 & Up 700 SCi - 0M962886 & Up 600 SCi - 0M962886 & Up Special Order Item: This product is ordered specifically for your...

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      • Mercury - Mercruiser 35-850481 Filter Assy-Fuel
        $466.49
        $391.99

        Mercury - Mercruiser 35-850481 Fuel Filter Assy Genuine OEM Mercury-Mercruiser part. Application: D7.3L D-TRONIC - 1998 (0K095775 & Up) Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment,...

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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.