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Fuel Filters

      Fuel Filters Product Listings

      • Fuel Filter 1-4Inch Mercury , Mercury - Mercruiser 35-816296K03
        $10.19
        $8.49

        Mercury 816296K03 Inline Fuel Filter for 8-15 HP FourStroke Outboards The Mercury 816296K03 Inline Fuel Filter is a genuine Mercury replacement fuel filter for select Mercury and Mariner 8-15 HP FourStroke outboards. This inline fuel filter is designed...

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

        Mercury 18458T3 Water Separating Fuel Filter with Black Sensor The Mercury 18458T3 Water Separating Fuel Filter with Black Sensor is a genuine Mercury replacement fuel filter kit for 1995 and earlier Mercury and Mariner V6 TwoStroke EFI/DFI outboards...

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      • EMP 35-35205 Mercury Inline Fuel Filter
        $13.63
        $11.36

        EMP 35-35205 Mercury Inline Fuel Filter This Engineered Marine product is a replacement inline fuel filter for Mercury engines. EMP Inline Fuel Filter Application: For 2001 & later Mercury Mariner 3-Cyl 30-40 HP; 4-Cyl 40-200 HP; 6-Cyl 225-400HP...

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      • EMP 35-37800 Mercury Water Separating Fuel Filter
        $9.11
        $7.59

        EMP 35-37800 Mercury Water Separating Fuel Filter This EMP water separating fuel filter is designed as an aftermarket replacement Mercury MerCruiser Engine Part. The element features steel end caps for maximum corrosion resistance. This fuel filter has...

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      • Quicksilver 8M0157620 Fuel Filter Thumbnail Image
        $35.99
        $29.99

        Mercury - Mercruiser 8M0157620 Fuel Filter Genuine OEM Mercury-Mercruiser part. New design to be smaller to better fit the hand , the internal holding capacity of this filter is as great as our standard filter. Anew o-ring for the water sensor is...

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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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      • EMP 35-37810 Mercury Water Separating Fuel Filter
        $27.84
        $23.20

        EMP 35-37810 Mercury Water Separating Fuel Filter This EMP water separating fuel filter is designed as an aftermarket replacement MerCrusier Engine Part. The element features steel end caps for maximum corrosion resistance. This fuel filter has a high...

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      • Mercury - Mercruiser 35-8M0082291 Fuel Filter Kit Image
        $82.19
        $68.49

        Mercury 8M0082291 Water Seperating Fuel Filter Kit Mercury High-Capacity Water Separating Fuel Filter Kit 8M0082291 is designed to support reliable fuel delivery for a wide range of marine engine applications. Suitable for use with both 2-cycle and...

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      • EMP 35-35443 Fuel Filter Assy Front
        $42.24
        $35.20

        EMP 35-35443 Fuel Filter Assy 8mm Engineered Marine Products Complete Fuel Filter Assembly Fits: Yamaha E75, 75AE, AET (2003-2015) Yamaha 85 AED, AET (2003-2015) Yamaha F40 (2002-2007) Yamaha T50, FT50, F50...

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      • Mercury - Mercruiser 35-8M0082290 Fuel Filter Kit Image
        $73.09
        $64.29

        Mercury - Mercruiser 35-8M0082290 Fuel Filter Kit Quicksilver 8M0082290 High Capacity Water Separating Fuel Filter Kit is designed for use with most 2-stroke and 4-stroke outboards as well as inboard and sterndrive gasoline and diesel engines. This kit...

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      • Mercury - Mercruiser 35-8M0116793 Fuel Filter Kit Image
        $105.89
        $93.19

        Mercury - Mercruiser 35-8M0116793 Fuel Filter Kit Quicksilver 8M0116793 Water Separating Fuel Filter Kit is designed for use on outboard, sterndrive, and inboard engines. It replaces existing filter elements on Mercury/Quicksilver filter heads 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.