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Fuel Filters

      Product Listing

      • Mercury Mercruiser Gen III Fuel Cooler Marine Fuel Filter
        $77.39
        $64.49

        Quicksilver 35-8M0093688 Gen III Fuel Cooler Fuel Filter The Quicksilver 8M0093688 Fuel Filter is designed for 2004–2015 MerCruiser MCM/MIE engines with Gen III fuel cooler systems. It removes fuel-borne contaminants at the cooling chamber to help...

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      • PCM R077019 Water Separating Fuel Filter
        $38.50
        $32.08

        Pleasure Craft Marine / Crusader R077019 Water Separating Fuel Filter This water separating fuel filter is designed for use with Pleasure Craft Marine and Crusader marine engines. This 10 micron filter features a high 90 GPH flow rate while boasting...

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      • Sierra 18-7865 Fuel Filter Replaces MAR-MINIF-IL-TR
        $14.99
        $11.49

        Sierra 18-7865 Compact Water Separating Fuel Filter Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron without starving your engine for fuel. Features: 10 Micron rating Ethanol blended fuel absorbs more...

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      • Sierra 18-7948 Fuel Filter 10 Micron Replaces 17670-ZW1-801AH
        $30.99
        $22.49

        Sierra 18-7948 Fuel Filter 10 Micron Replaces 17670-ZW1-801AH Sierra 10 Micron fuel filters are over 90% efficient at removing dirt and debris from your fuel system while not starving your engine for fuel. For use on Mercury Marine engines...

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      • Sierra 18-7716 Fuel Filter Replaces 5032323
        $11.99
        $9.49

        Sierra 18-7716 Fuel Filter Replaces 5032323 Sierra Marine fuel filters not only protect your engine, but they are also 90% efficient at removing engine-damaging 10-micron and larger particles without starving the engine for fuel. This direct-OEM...

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      • Sierra 18-79809 Fuel Filter
        $22.49
        $16.49

        Sierra 18-79809 Fuel Filter Features: For use with Yamaha filter housing marked "6P3" only Micron Rating: 27 Interchangeable with: Yamaha Outboard 6P3-WS24A-00-00 6P3-WS24A-01-00 6P3-24563-00-00 6P3-24563-01-00

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      • Quicksilver 35-8M0122423 Fuel Filter Element Thumbnail Image
        $41.99
        $36.99

        Quicksilver 35-8M0122423 Fuel Filter Element Quicksilver 8M0122423 Fuel Filter Element is a screw-in replacement filter for select Mercury and Mariner outboards and MerCruiser 4.5L/6.2L sterndrive engines. Designed for use with vapor separator systems,...

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      • Mercury - Mercruiser 35-864572 Fuel Filter
        $53.39
        $44.49

        Quicksilver 35-864572 Fuel Filter Replacement inline fuel filter 864572 fits MerCruiser sterndrive and inboard gasoline engines with a fuel booster pump. Installed between the fuel tank and booster pump. Prevents debris from reaching the pump inlet...

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      • Mercruiser 35-8M0204703 Disc Fuel Filter
        $48.59
        $40.49

        Quicksilver 35-8M0204703 Disc Water Separating Fuel Filter Quicksilver 8M0204703 Water Separating Fuel Filter Disc is a replacement element for 2004 and newer Mercury/MerCruiser sterndrive and inboard engines equipped with Gen III fuel cooler systems...

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      • Moeller Marine Inline Fuel Filter Replacement Cartridges
        $15.49
        $12.99

        Moeller 033318-10 Inline Fuel Filter Replacement Cartridges Clear View In-line Replacement Fuel Filters  Sold in 3 Packs Trap Dirt and Other Metalic Particles Not for use on inboard engines 20 Micron Filtration

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      • Mercury 35-8M0157133 Inline Fuel Filter
        $22.19
        $18.49

        Quicksilver 35-8M0157133 Inline Fuel Filter The Quicksilver 8M0157133 Inline Fuel Filter fits Mercury and Mariner outboards ranging from 4 to 20 HP, covering 2-cycle and 4-stroke models from 1999 and newer. Designed to protect your engine by...

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      • Sierra 18-7784 Fuel Filter Replaces 35-8M0046752
        $15.99
        $11.49

        Sierra 18-7784 Fuel Filter for Mercruiser Stern Drives Sierra 18-7784 is a replacement fuel filter for Mercruiser Stern Drives and has a Micron Rating of 20. All Sierra aftermarket fuel filters are manufactured to meet or exceed OEM requirements...

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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.