Fuel Filters

A clogged or failing fuel filter is one of the fastest ways to choke off horsepower, foul your fuel injectors, or burn out an expensive fuel pump. Whether you're running a daily driver, an LS swap, or a full race build, Evil Energy's fuel filters are built from aircraft-grade aluminum and washable stainless steel mesh to keep dirt, rust, and sediment out of your fuel system — without the recurring cost of disposable OEM cartridges.

Inline, AN & High-Flow Fuel Filters for Every Fuel System

Not every engine filters fuel the same way. Our universal inline fuel filter bolts into almost any setup with swappable 6AN, 8AN, and 10AN adapters or barb fittings (5/16", 3/8", 1/2"), making it the easiest starting point for carbureted and classic-car builds. For braided-line performance builds, our AN fuel filter models thread straight into 6AN, 8AN, or 10AN lines for EFI conversions, LS swaps, and turbo setups. For high-horsepower and boosted applications that need maximum fuel volume with minimal pressure drop, our high flow fuel filter housings offer more filtration surface area than a typical OEM canister. And because every element is E85-, gas-, and diesel-compatible, the same performance fuel filter platform works whether you're running pump gas or flex fuel.

How to Choose the Right Micron Rating

Micron rating should match where the filter sits in your fuel system, not just your budget. As a general rule:

Micron Rating Best For Typical Placement
100 Micron Pump protection, coarse pre-filtration Before the fuel pump (pre-filter)
30–40 Micron Carbureted engines After the pump, before the carburetor
10 Micron EFI fuel filter applications, fuel injectors After the pump, before the fuel rail

Because Evil Energy filters use a removable, washable stainless steel element instead of a sealed paper cartridge, you're not stuck replacing the entire housing every 30,000–60,000 miles — just clean or swap the element and keep running.

Built to Pair With Your Fuel System

Most builders don't buy a fuel filter on its own. Pair yours with matching AN fittings for a leak-free braided-line setup, add a high-flow fuel pump to keep up with bigger injectors, or dial in consistent rail pressure with an adjustable fuel pressure regulator.

Doing an EFI conversion or LS swap?

Check out our EFI fuel system kits, which bundle the filter, pump, and regulator together.

Want a spare element on hand so you're never stuck waiting on a replacement?

Our 10-micron all-in-one filter kit ships with two reusable stainless steel elements.

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EVIL ENERGY PTFE Hose End Fitting for PTFE Hose Only (3/4/6/8/10/12AN) - Black - EVILENERGY[Straight,1PC]
EVIL ENERGY PTFE Hose End Fitting for PTFE Hose Only (3/4/6/8/10/12AN) - Black

Engineered for high-pressure, high-temperature fuel systems, the EVIL ENERGY PTFE Hose End Fitting delivers leak-proof performance for PTFE fuel lines in performance builds, LS swaps, boosted engines, and ethanol-based fuel setups. Made from 6061-T6 aluminum with a 360° swivel design, these AN fittings ensure a clean, secure, and easy-to-assemble connection—ideal for builders who demand durability and precision.

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[Black,Without Bracket] black inline evil energy fuel filter with directional arrow and multiple AN fuel line fittingsevil energy fuel filter kit with stainless steel inline fuel filter, AN fittings, and mounting hardware
EVIL ENERGY Inline Fuel Filter with 6AN 8AN 10AN Adapter and Bracket Universal 10/30/40/100 Micron - Black

[Application] Universal fuel filter, includes an6, an8, an10 adapters for different size applications. With mounting bracket keeps the engine bar stylish and clean.

  • [Material] Aluminum alloy fuel filter can and stainless steel filter element.
  • [O-ring] The o-ring provides a tight seal for fittings and end caps.
  • [Function] Can be used for filtering gasoline, diesel, etc. Captures contaminant particles of 10 micron and above to protect the fuel system of the vehicle.
  • [Feature] Removable design, easy to clean or replace filter element at regular time.
  • [Installation Tips] We have debugged the installation direction of the fuel filters before delivery. Please check and ensure the closed end of the filter element docks with the spring. Let the liquid flow following the arrow from the spring end to the other end, and the fuel filter will serve longer.
$23.99
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[20FT] EVIL ENERGY PTFE Fuel Line Kit, complete black hose & fittings set, 180-day return[16FT] EVIL ENERGY PTFE Fuel Line Kit, black braided hose, fittings, free shipping & return
EVIL ENERGY 4/6/8/10AN PTFE Fuel Line Kit | E85 Nylon Braided Hose | 16/20FT Black Black with Comprehensive Fittings

Three-Layer Construction: Our fuel lines are constructed with a triple-layer material for unparalleled performance and protection. The innermost layer is made of PTFE for maximum chemical resistance, a braided stainless steel layer for strength and durability, and an outer nylon layer for added abrasion resistance and protection.

Multiple Sizes: We offer our fuel lines in 4AN, 6AN, 8AN, and 10AN sizes, catering to the diverse needs of various fuel delivery systems.

Fitting Types: Our kit includes a variety of fittings at 0°, 90°, 45°, and 180° angles, ensuring versatility and flexibility during installation, allowing for custom routing in tight or complex spaces.

Precision Fit and Leak-Free Performance: The combination of the PTFE inner layer and the high-quality aluminum hose ends ensures a precision fit and leak-free connection, even under extreme pressure, providing a safe and reliable fuel system.

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[1 PC][2 PCS]
EVIL ENERGY AN Flare to AN ORB Male Fuel Rail Adapter Fitting
  • AN to ORB Conversion
    Converts AN flare fittings to ORB ports for fuel rails and aftermarket fuel components.
  • High Pressure Capability
    Rated up to 1500 PSI for reliable performance in fuel and oil systems.
  • Leak Free Sealing Design
    37 degree AN flare seal combined with ORB O ring ensures a secure, leak resistant connection.
  • CNC Machined Aluminum
    Made from 6061 T6 aluminum with black anodized finish for corrosion resistance.
  • Wide Size Availability
    Multiple AN sizes available to support custom fuel system layouts.
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  • [Black,Without Bracket] black inline evil energy fuel filter with directional arrow and multiple AN fuel line fittingsevil energy fuel filter kit with stainless steel inline fuel filter, AN fittings, and mounting hardware
    EVIL ENERGY Inline Fuel Filter with 6AN 8AN 10AN Adapter and Bracket Universal 10/30/40/100 Micron - Black

    [Application] Universal fuel filter, includes an6, an8, an10 adapters for different size applications. With mounting bracket keeps the engine bar stylish and clean.

    • [Material] Aluminum alloy fuel filter can and stainless steel filter element.
    • [O-ring] The o-ring provides a tight seal for fittings and end caps.
    • [Function] Can be used for filtering gasoline, diesel, etc. Captures contaminant particles of 10 micron and above to protect the fuel system of the vehicle.
    • [Feature] Removable design, easy to clean or replace filter element at regular time.
    • [Installation Tips] We have debugged the installation direction of the fuel filters before delivery. Please check and ensure the closed end of the filter element docks with the spring. Let the liquid flow following the arrow from the spring end to the other end, and the fuel filter will serve longer.
    $23.99
    $23.99
    $24.99
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    • Silver Black
    • Blue
    • Red
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  • EVIL ENERGY 6/8/10AN Billet Inline Fuel Filter 30 Micron Aluminum Black for Car EFI & Carb Fuel Systems - EVILENERGY[6AN,1PCS][2PCS]
    EVIL ENERGY 6/8/10AN Billet Inline Fuel Filter 30 Micron Aluminum Black for Car EFI & Carb Fuel Systems
    ---!@!start!@!---Specifications---!@!end!@!--- Brand EVIL ENERGY Color Black Type Inline Fuel Filter Size 6/8/10N Filter Element 30 Miron Width 2.07inch（52.6mm) Height 1.22inch(31mm) Material Aluminum Alloy,Stainless Steel Compatibility E85 Application various vehicles, including cars, motorcycles, and boats. Fuel Filter Series   Fuel Filter 6/8/10AN Billet Fuel Filter...
    $19.99
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  • [With Bracket][Without Bracket]
    EVIL ENERGY 3.5Inch Inline Fuel Filter 100 Micron with 6AN 8AN 10AN Adapter 50MM Universal for Car, Motorcycle and Boats
    ---!@!start!@!---Specifications---!@!end!@!--- Brand EVIL ENERGY ID 0.8inch OD 1.25inch Housing Width 1.97inch Housing Length 3.5 inch Material Black Filter Element Rating 100 Micron Adapters Included AN6, AN8, and AN10 to AN10 ORB adapters Seal Structure Durable rubber O-ring (leak-free seal) Vehicles Compatibility Cars, motorcycles, boats...
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  • EVIL ENERGY EFI Fuel Pump With Fuel Filter Kit External or Intank - EVILENERGYEVIL ENERGY EFI Fuel Pump With Fuel Filter Kit External or Intank - EVILENERGY
    EVIL ENERGY EFI Fuel Pump With Fuel Filter Kit External or Intank

    [Bundle with]
    Fuel Pump(Optional):
    - 300LPH External Fuel Pump Fitting Kit
    - 255LPH Intank
    - 110LPH Intank
    Fuel Filter (Optional): 10 Micron/30 Micron/40 Micron/100 Micron
    Bracket: 50MM/60MM

    Note：Please pay attention to the dimensions and choose the product that best fits your needs.

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    $57.36
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  • EVIL ENERGY 1/2inch,5/16inch,3/8inchBarb Billet Inline Fuel Filter 30 Micron Aluminum Black for Car EFI & Carb Fuel Systems - EVILENERGY[1/2"]
    EVIL ENERGY 1/2inch,5/16inch,3/8inchBarb Billet Inline Fuel Filter 30 Micron Aluminum Black for Car EFI & Carb Fuel Systems
    ---!@!start!@!---Specifications---!@!end!@!--- Brand EVIL ENERGY Color Black Type Inline Fuel Filter Size 1/2",5/16",3/8" Filter Element 30 Micron Width 2.07inch（52.6mm) Height 1.22inch(31mm) Material Aluminum Alloy,Stainless Steel Compatibility not compatible with E85 fuel Application various vehicles, including cars, motorcycles, and boats. Fuel Filter Series   Fuel Filter...
    $19.99
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  • EVIL ENERGY 10/100 Micron Fuel Filter Element - EVILENERGYEVIL ENERGY 10/100 Micron Fuel Filter Element - EVILENERGY
    EVIL ENERGY 10/100 Micron Fuel Filter Element

    Please measure the size of the accessory before purchasing.

    • 10 micron: Width is 32mm/1.25 inch, length is 74.5mm/2.93 inch.
    • 100 micron: Width is 32mm/1.25 inch, length is 75mm/2.95 inch.

    Note: The 100-micron filter element is only compatible with the all-black filter (SKU: EVKT01314BB-AMZ1).

    $16.15
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  • [With Bracket][Without Bracket]
    Evil Energy Universal Inline Fuel Filter - 10/30/40/100 Micron Stainless Steel Element w/1/2-inch, 3/8-inch, 5/16-inch Barb Adapters (Gas/Diesel Compatible) - Aluminum Black

    ✔ MULTI-MICRON PROTECTION: Choose 10/30/40/100 micron filtration for your exact needs
    ✔ 3-IN-1 ADAPTER SYSTEM: Includes 1/2-inch, 3/8-inch & 5/16-inch barb fittings - fits most fuel lines
    ✔ PREMIUM CONSTRUCTION: Aircraft-grade aluminum body + stainless steel filter element
    ✔ Compatible with gasoline, diesel，etc.
    ✔ MAINTENANCE MADE EASY: Removable design for quick cleaning/replacement

    $35.99
    $35.99
    $52.99
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  • Evil Energy Carburetor Fuel System Combo - 4.5-9 PSI Adjustable Regulator w/Gauge + 10/30/40/100 Micron Filter Kit for Classic Cars & Small Engines - EVILENERGYEvil Energy Carburetor Fuel System Combo - 4.5-9 PSI Adjustable Regulator w/Gauge + 10/30/40/100 Micron Filter Kit for Classic Cars & Small Engines - EVILENERGY
    Evil Energy Carburetor Fuel System Combo - 4.5-9 PSI Adjustable Regulator w/Gauge + 10/30/40/100 Micron Filter Kit for Classic Cars & Small Engines

    ✔ 【COMPLETE FUEL SOLUTION】 Regulator + customizable filter in one money-saving kit
    ✔ 【INSTANT SAVINGS】 10% cheaper than buying components separately
    ✔ 【PERFECT PRESSURE】 4.5-9 PSI regulator prevents carburetor flooding
    ✔ 【YOUR CHOICE OF FILTRATION】 Select 10/30/40/100 micron filter
    ✔ 【UNIVERSAL FIT】 Includes 1/2", 3/8", 5/16" adapters for any classic car or small engine

    $111.98
    $111.98
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  • EVIL ENERGY Inline Fuel Filter with 6AN 8AN 10AN Adapter&Bracket Clamp 60,50MM Universal Kit - EVILENERGYEVIL ENERGY Inline Fuel Filter with 6AN 8AN 10AN Adapter&Bracket Clamp 60,50MM Universal Kit - EVILENERGY
    EVIL ENERGY Inline Fuel Filter with 6AN 8AN 10AN Adapter&Bracket Clamp 60,50MM Universal Kit
    ---!@!start!@!---Specifications---!@!end!@!--- Brand EVIL ENERGY Product Grade Replacement Part Material Filter Element: Stainless Steel, Fuel Filter Can: Aluminum Style Modern Fuel Filter 10 Micron30 Micron40 Micron100 Micron OD 10 Micron: 1.25 inch30 Micron: 1.42 inch40 Micron: 1.42 inch 100 Micron: 1.25 inch ID 10 Micron:...
    $67.99
    $67.99
    $19.99
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  • EVIL ENERGY 10 Micron All-In-One Fuel Filter Kit with 6AN, 8AN, 10AN, 1/2-inch, 3/8-inch, 5/16-inch Barb Adapters, Universal Aluminum w/Extra Replacement Filter Element & 50MM Mounting BracketEVIL ENERGY 10 Micron All-In-One Fuel Filter Kit with 6AN, 8AN, 10AN, 1/2-inch, 3/8-inch, 5/16-inch Barb Adapters, Universal Aluminum w/Extra Replacement Filter Element & 50MM Mounting Bracket
    EVIL ENERGY 10 Micron All-In-One Fuel Filter Kit with 6AN, 8AN, 10AN, 1/2-inch, 3/8-inch, 5/16-inch Barb Adapters, Universal Aluminum w/Extra Replacement Filter Element & 50MM Mounting Bracket
    ---!@!start!@!---Specifications---!@!end!@!--- Product Details Specification Details Brand EVIL ENERGY Filter Micron Rating 10 Micron Filter Element Stainless Steel Mesh (Washable & Reusable) Filter Elements Included 2 (1 Installed, 1 Spare – Zero Downtime Service) Housing Material Precision Machined Aluminum Alloy (Corrosion Resistant) AN Adapters Included...
    $57.99
    $57.99

FAQs about Fuel Filters

How often should I replace my fuel filter?

There's no single mileage number that fits every vehicle — replacement interval depends on your car and filter type. As a general guideline, many owners replace a traditional filter every 30,000–60,000 miles, but check your owner's manual first, since some newer vehicles use a "lifetime" filter built into the fuel pump module. Rather than a strict interval, many enthusiasts replace or clean the filter when they notice symptoms like hesitation or hard starting. Evil Energy's inline fuel filters use a removable, washable stainless steel element, so instead of buying a new filter every service interval, you can pull it, clean it, and reinstall it — see our guide to cleaning your fuel filter.

Match the micron rating to where the filter sits in your fuel system: 100 micron works well as a coarse pre-filter ahead of the pump, 30–40 micron is standard for carbureted engines, and 10 micron (or finer) is recommended after the pump for EFI fuel filter applications to protect the injectors. For fitment, match the inlet/outlet to your line: barb fittings (5/16", 3/8", 1/2") for rubber hose, or 6AN/8AN/10AN for braided AN fuel filter setups. Our guide to fuel line filters and fittings breaks this down by fuel system type.

These mostly describe connection type and flow capacity, not filtration technology.

  • An inline fuel filter sits in-line with your fuel hose and is the most universal option, available with barb or AN adapters.
  • An AN fuel filter uses AN (Army-Navy) flare fittings instead of hose barbs — the standard for braided-line performance builds.
  • A high flow fuel filter has more internal filtration surface area, so it flows enough volume for big injectors, forced induction, or E85 without restricting pressure at wide-open throttle.

Boosted or high-horsepower performance fuel filter builds benefit most from that extra flow margin.

A dirty filter restricts flow gradually before it fails outright: hesitation, sluggish acceleration, hard starting, rough idle, or occasional stalling under load. Left unaddressed, it forces your fuel pump to work harder than it should — a common cause of premature pump failure. Replacing a $20–40 filter is far cheaper than replacing a pump or fouled injectors. If you're seeing these symptoms, our guide to telling if your fuel filter is bad walks through confirming it before you swap parts.

Both OEM and reputable aftermarket filters protect your fuel system well; what matters most is the source. Counterfeit filters sold through unverified third-party listings are a common complaint and can use substandard media that lets contaminants through. Evil Energy filters are sold direct and through authorized channels, use aircraft-grade aluminum housings with stainless steel elements rated for gas, diesel, and E85, and are backed by our warranty.

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