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Fuel Filters

      Fuel Filters Product Listings

      • Sierra 18-79980 Fuel Filter
        $44.99
        $32.49

        Sierra 18-79980 Fuel Filter Sierra replacement fuel filter for Yamaha Outboards. Interchangeable with: Yamaha Outboard 68F-24563-00-00

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      • EMP 35-01227 Mercury 5/16" Inline Fuel Filter
        $8.05
        $6.71

        EMP 35-01227 Mercury 5/16" Inline Fuel Filter This inline fuel filter is intended for use on Mercury Mariner engines and meets all OEM requirements. Inline Fuel Filter Application: For 1980-2001 Mercury, Johnson/Evinrude, Yamaha, and other outboard...

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      • Sierra 18-7781 Fuel Filter
        $13.99
        $10.99

        Sierra 18-7781 Fuel Filter Sierra replacement fuel filter for Yamaha Outboards. Interchangeable with: Yamaha Outboard 61N-24563-00-00 61N-24563-10-00 6R3-24563-00-00

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      • Mercury - Mercruiser 35-866594K01 Fuel Filter
        $23.39
        $19.49

        Mercury - Mercruiser 35-866594K01 Fuel Filter Genuine OEM Mercury-Mercruiser part. Application: 100 VAZER EC - 1A035295 Though 1A036006 3.0L MPI EC - 1A072812 & Up 100 VAZER - 1A035000 Through 1A036006 3.0L MPI EC - 1A072812 & Up

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      • Mercury - Mercruiser 35-898101093 Fuel Filter Special Order
        $64.99
        $56.99

        Mercury - Mercruiser 35-898101093 Fuel Filter Genuine OEM Mercury-Mercruiser part. Application: 30 HP EFI 3 CYL - 0R10699 & Up 25 HP EFI Jet 3 CYL - 0R165086 & Up 25 HP EFI 3 CYL - 0R106999 & Up  

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      • PCM RP077014 FUEL FILTER
        $21.66
        $18.05

        PCM RP077014 FUEL FILTER Genuine OEM PleasureCraft-Crusader part. Special Order Item.

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      • Sierra 18-7780 Fuel Filter
        $17.99
        $12.99

        Sierra 18-7780 Yamaha Fuel Filter Sierra high-quality engine parts are designed to meet OEM specifications. For use on Yamaha Outboard. Micron Rating: 100 Interchangeable with: Yamaha Outboard 6F5-24563-00-00 655-24563-00-00

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      • Sierra 18-99201 Aquavue Mini Clear Collection Bowl
        $38.49
        $27.99

        Sierra 18-99201 Aquavue Mini Clear Collection Bowl - 2 Ports The Sierra 18-99201 Aquavue Collection Bowl is a replacement bowl for R12T, R12S, and R12P fuel/water separator filters (Sierra parts 18-99193, 18-99194, 18-99199). The clear collection bowl...

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      • Quicksilver 35-8M0168897 Fuel Filter Image
        $22.19
        $18.49

        Mercury - Mercruiser 35-8M0168897 Fuel Filter  The Mercury Fuel Filter Kit 8M0168897 is designed for select 75–115HP Mercury 4-stroke outboards, providing dependable protection against water, moisture, and fuel contaminants. This kit includes...

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      • Volvo Penta 22480372 Fuel Filter
        $45.72
        $38.10

        Volvo Penta 22480372 Fuel Filter Genuine OEM Volvo Penta part. Special Order Item. This product is sold in interval quantities of 8.

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      • EMP 35-37806 Mercury Water Separating Fuel Filter
        $23.52
        $19.60

        EMP 35-37806 Mercury Water Separating Fuel Filter This water separating fuel filter  is intended for use on Mercury engines and meets all OEM requirements. Fuel Filter Kit Application: For Mercury Mariner 6-Cyl 115-250HP outboard engines. 10...

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      • Sierra 18-99200 Fuel Filter/Water Separator 30 Micron
        $32.99
        $23.99

        Sierra 18-99200 Fuel/Water Separator Canister Filter - 30 Micron The Sierra 18-99200 Fuel/Water Separator Filter is a 30 Micron filter that meets OEM specifications for removal of emulsified water. This filter features fast and simple element changing...

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      • Sierra 18-7858 Fuel Filter
        $19.99
        $14.49

        Sierra 18-7858 Volvo Penta Fuel Filter Sierra high quality replacement Water Separating Fuel Filters are designed to be direct replacements of OEM filters. This fuel filter is specifically designed for the marine environment and today's ethanol blended...

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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.