Looking for the best AN fittings to upgrade your vehicle or project? We offer a carefully researched selection of durable, leak-free fittings designed for easy installation and reliable performance under extreme conditions.
AN fittings are the backbone of any high-performance fluid system. Whether you’re working on a race car, a custom build, or just upgrading your vehicle, the right fittings make all the difference. They ensure leak-free connections and reliable performance under extreme conditions.
Choosing the best AN fittings can be overwhelming with so many options available. But don’t worry—we’ve done the research for you. From durable materials to easy installation, we’ll guide you to the perfect choice for your needs.
Get ready to transform your project with fittings that are built to last and designed to perform. Let’s dive in and find the ideal AN fittings to take your build to the next level!
List of Top 10 AN Fittings
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EVIL ENERGY 6AN Fuel Line Kit, 6AN Nylon Braided Fuel Line Hose Fitting Kit CPE 20FT Black |
This EVIL ENERGY 6AN Fuel Line Kit is perfect for DIY mechanics and automotive enthusiasts who need a reliable and versatile solution for their fuel, oil, and transmission cooling systems. |
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Ucreative 6AN Straight Push Lock Hose Fitting End Black 2PCS |
This Ucreative 6AN Straight Push Lock Hose Fitting is perfect for DIY auto enthusiasts and mechanics who need a reliable and easy-to-install connection for their rubber fuel lines. It’s designed for simple, secure setups that can handle high pressure and a wide temperature range. |
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EVIL ENERGY 6AN Male Flare to 3/8″ NPT Pipe Fitting Adapter Aluminum Straight Black 2PCS |
This AN6 to 3/8″ NPT adapter is perfect for DIY automotive enthusiasts and performance builders who need a reliable connection for their fuel, cooling, or power steering systems. Get your project hooked up right! |
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EVIL ENERGY 6AN Hose End Fitting Kit Straight 45 90 180 Degree with AN6 Male to Male Coupler & 6AN Hose Separator Clamp for CPE Braided Hose |
This kit is perfect for car lovers and mechanics who want strong and reliable hose fittings. It’s great for anyone working on fuel systems, cooling, or transmission lines. The parts are easy to use and keep your work neat and tidy. |
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EVIL ENERGY 6AN Hose End Fitting 90 Degree Swivel for CPE Braided Hose Black 2PCS |
This product is perfect for car enthusiasts and mechanics who need a strong, reliable hose fitting. It works great with stainless steel and nylon braided hoses and is easy to install thanks to its 360° swivel design. If you want a fitting that is durable, reusable, and handles high pressure, this is a smart choice. |
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EVIL ENERGY 6AN Male to 3/8″ Hardline Compression Fitting Adapter Aluminum Black 2PCS |
This EVIL ENERGY adapter is perfect for car enthusiasts and mechanics looking to upgrade their fuel systems. If you’re working on engine modifications or need a reliable connection for your fuel delivery, this aluminum fitting is your go-to solution. |
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EVIL ENERGY 6AN Hose End Fitting Straight Swivel for CPE Braided Hose Black 4PCS |
This EVIL ENERGY 6AN Hose End Fitting is perfect for anyone working on custom fuel, oil, or coolant systems. It’s ideal for those using stainless steel or nylon braided hoses and needing a reliable, reusable fitting. |
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EVIL ENERGY 6AN Male Flare to 1/4″ NPT Pipe Fitting Adapter Aluminum Straight Black 2PCS |
This adapter is perfect for anyone working on fuel, cooling, or power steering systems who needs a reliable, easy-to-install fitting. If you want a strong, leak-proof connection made from durable aluminum, this is the smart choice for your project. |
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EVIL ENERGY 6AN Female to 6AN Female Straight Swivel Coupler Union Fitting Adapter Aluminum Black 2PCS |
This EVIL ENERGY 6AN Female to 6AN Female Straight Swivel Coupler is perfect for anyone who needs a strong, reliable connection in their fluid or fuel systems. If you want a fitting that is easy to install, can handle high pressure, and lasts long thanks to its durable aluminum build, this is the one for you. It’s great for mechanics, racers, or DIY enthusiasts who want a tight seal and 360° swivel for quick adjustments. |
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Shineyoo 6AN Straight End Fitting 4 Pcs for Braided Fuel Oil Gas Line Hose End 6 AN Fittings Aluminum Black |
This Shineyoo 6AN Straight End Fitting is perfect for anyone building or upgrading their fuel, oil, or fluid lines. If you’re working with braided fuel hoses and need reliable, durable, and easy-to-install fittings, these black anodized aluminum ones are your go-to choice for a sleek and strong connection. |
Detailed Reviews
Discover the ultimate AN fittings curated for peak performance and lasting durability. Our expert picks ensure seamless connections for your automotive projects. Dive in to find the perfect fit that guarantees reliability and efficiency.
1. EVIL ENERGY 6AN Fuel Line Kit, 6AN Nylon Braided Fuel Line Hose Fitting Kit CPE 20FT Black

Get ready to power up with the EVIL ENERGY 6AN Fuel Line Kit. This kit features a 20-foot long, 6AN nylon braided fuel line that’s built tough. It’s perfect for fuel, oil, coolant, and more.
The hose is made with a CPE rubber inner core, wrapped in 304 steel wire and a nylon outer braid for extra strength. The fittings are crafted from lightweight aluminum alloy. It handles up to 750psi working pressure and can take temperatures from -22°F to 248°F.
Inside the kit, you get 10 swivel hose ends in multiple angles, plus hose separator clamps for neat installation. This fuel line kit works great with transmission fluid, race gas, diesel, and hydraulic fluids. It’s the smart choice for reliable, high-performance fluid delivery.
| Pros | Cons |
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Perfect For:
This EVIL ENERGY 6AN Fuel Line Kit is perfect for DIY mechanics and automotive enthusiasts who need a reliable and versatile solution for their fuel, oil, and transmission cooling systems.
Ready to Purchase?
2. Ucreative 6AN Straight Push Lock Hose Fitting End Black 2PCS

The Ucreative 6AN Straight Push Lock Hose Fitting includes two pieces for easy use. Each fitting connects a 6AN line to a 3/8 inch barb. They are made from 6061-T6 aluminum alloy for durability.
These fittings can handle a working pressure of 1500PSI and a temperature range of -40℉ to 248℉. They are designed for use with rubber fuel lines. Using clamps is recommended for better sealing.
Installation is simple and straightforward. These hose fittings are a great choice for your automotive needs.
| Pros | Cons |
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Perfect For:
This Ucreative 6AN Straight Push Lock Hose Fitting is perfect for DIY auto enthusiasts and mechanics who need a reliable and easy-to-install connection for their rubber fuel lines. It’s designed for simple, secure setups that can handle high pressure and a wide temperature range.
Ready to Purchase?
3. EVIL ENERGY 6AN Male Flare to 3/8″ NPT Pipe Fitting Adapter Aluminum Straight Black 2PCS

Upgrade your vehicle’s fluid systems with the EVIL ENERGY 6AN to 3/8″ NPT Pipe Fitting Adapter. This set includes two black aluminum adapters designed for superior performance. They are built to last and provide a secure connection.
Crafted from durable 6061-T6 aluminum, these fittings boast a sleek anodized black finish. They ensure a tight seal for your fuel, cooling, or power steering lines.
Ensure leak-free operation by using sealant or PTFE tape on the NPT end. These adapters are your reliable solution for essential automotive connections.
| Pros | Cons |
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Perfect For:
This AN6 to 3/8″ NPT adapter is perfect for DIY automotive enthusiasts and performance builders who need a reliable connection for their fuel, cooling, or power steering systems. Get your project hooked up right!
Ready to Purchase?
4. EVIL ENERGY 6AN Hose End Fitting Kit Straight 45 90 180 Degree with AN6 Male to Male Coupler & 6AN Hose Separator Clamp for CPE Braided Hose

Conquer your next project with the EVIL ENERGY 6AN Hose End Fitting Kit! This kit provides versatile solutions for your fuel, transmission, and cooling lines.
Crafted from durable black anodized aluminum alloy, these fittings are built to withstand 1500 PSI and temperatures from -65℉ to 252℉. The included 6AN union and hose separator clamp ensure a clean and organized installation every time.
Get the perfect angle. Secure your lines. Build with confidence.
| Pros | Cons |
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Perfect For:
This kit is perfect for car lovers and mechanics who want strong and reliable hose fittings. It’s great for anyone working on fuel systems, cooling, or transmission lines. The parts are easy to use and keep your work neat and tidy.
Ready to Purchase?
5. EVIL ENERGY 6AN Hose End Fitting 90 Degree Swivel for CPE Braided Hose Black 2PCS

The EVIL ENERGY 6AN Hose End Fitting is a 90-degree swivel designed for CPE braided hoses. It comes in a 2-piece set and is perfect for precise connections.
Made from 6061-T6 aluminum alloy, this fitting is strong and durable. It works only with stainless steel and nylon braided hoses, ensuring a reliable fit.
Easy to assemble, reusable, and recyclable. Max pressure: 1,500 PSI. Temperature range: -65℉ to 252℉.
| Pros | Cons |
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Perfect For:
This product is perfect for car enthusiasts and mechanics who need a strong, reliable hose fitting. It works great with stainless steel and nylon braided hoses and is easy to install thanks to its 360° swivel design. If you want a fitting that is durable, reusable, and handles high pressure, this is a smart choice.
Ready to Purchase?
6. EVIL ENERGY 6AN Male to 3/8″ Hardline Compression Fitting Adapter Aluminum Black 2PCS

Connect with ease using the EVIL ENERGY 6AN Male to 3/8″ Hardline Compression Fitting Adapter. This aluminum black adapter is built tough for fuel systems and engine mods.
Fits 3/8″ OD hardline, sealed at 37 degrees, and made of aluminum alloy. Works with stainless steel or aluminum hardline only.
| Pros | Cons |
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Perfect For:
This EVIL ENERGY adapter is perfect for car enthusiasts and mechanics looking to upgrade their fuel systems. If you’re working on engine modifications or need a reliable connection for your fuel delivery, this aluminum fitting is your go-to solution.
Ready to Purchase?
7. EVIL ENERGY 6AN Hose End Fitting Straight Swivel for CPE Braided Hose Black 4PCS

Meet the EVIL ENERGY 6AN Hose End Fitting Straight Swivel—built tough with 6061-T6 aluminum alloy for lasting strength. It fits perfectly with stainless steel and nylon braided hoses for a secure, leak-free connection.
This fitting handles up to 1,500 PSI pressure. It works in temperatures from -65℉ to 252℉. Plus, its 360° swivel design makes installation quick and easy every time.
| Pros | Cons |
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Perfect For:
This EVIL ENERGY 6AN Hose End Fitting is perfect for anyone working on custom fuel, oil, or coolant systems. It’s ideal for those using stainless steel or nylon braided hoses and needing a reliable, reusable fitting.
Ready to Purchase?
8. EVIL ENERGY 6AN Male Flare to 1/4″ NPT Pipe Fitting Adapter Aluminum Straight Black 2PCS

EVIL ENERGY 6AN Male Flare to 1/4″ NPT Pipe Fitting Adapter is a straight, black aluminum fitting. It comes in a pack of 2.
This adapter connects AN6 to 1/4″ NPT threads. It’s made of strong 6061-T6 aluminum with a black anodized finish. The AN side seals at 37 degrees, and the NPT side uses tapered threads.
Use it for fuel, cooling, or power steering systems. Remember to use sealant or PTFE tape on the NPT end to prevent leaks. It’s easy to install and remove with a wrench.
| Pros | Cons |
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Perfect For:
This adapter is perfect for anyone working on fuel, cooling, or power steering systems who needs a reliable, easy-to-install fitting. If you want a strong, leak-proof connection made from durable aluminum, this is the smart choice for your project.
Ready to Purchase?
9. EVIL ENERGY 6AN Female to 6AN Female Straight Swivel Coupler Union Fitting Adapter Aluminum Black 2PCS

Upgrade your fuel system with these EVIL ENERGY 6AN Straight Swivel Coupler Unions! They connect female AN6 to female AN6 with a 9/16-18 UNF thread.
These fittings handle a maximum working pressure of 1,500 PSI and a temperature range of -40℉ to 250℉. The 37-degree angle seal ensures a leak-free connection.
Made from durable aluminum alloy 6061-T6 with a black anodized finish. Enjoy easy assembly with a 360° swivel. They are reusable and recyclable for your convenience.
| Pros | Cons |
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Perfect For:
This EVIL ENERGY 6AN Female to 6AN Female Straight Swivel Coupler is perfect for anyone who needs a strong, reliable connection in their fluid or fuel systems. If you want a fitting that is easy to install, can handle high pressure, and lasts long thanks to its durable aluminum build, this is the one for you. It’s great for mechanics, racers, or DIY enthusiasts who want a tight seal and 360° swivel for quick adjustments.
Ready to Purchase?
10. Shineyoo 6AN Straight End Fitting 4 Pcs for Braided Fuel Oil Gas Line Hose End 6 AN Fittings Aluminum Black

The Shineyoo 6AN Straight End Fitting comes in a pack of 4. It’s made for braided fuel, oil, or gas lines. The aluminum black finish looks great and lasts long.
It’s easy to install with a swivel design. The 6061-T6 aluminum alloy ensures strength and durability. Perfect for oil, fuel, water, and air lines.
Use it with nylon braided hoses. Not for PTFE or rubber hoses. Contact us if you have questions—we’re here to help!
| Pros | Cons |
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Perfect For:
This Shineyoo 6AN Straight End Fitting is perfect for anyone building or upgrading their fuel, oil, or fluid lines. If you’re working with braided fuel hoses and need reliable, durable, and easy-to-install fittings, these black anodized aluminum ones are your go-to choice for a sleek and strong connection.
Ready to Purchase?
Buying Guide
Choosing the best AN fittings is simple when you know what to look for. Good fittings keep your system safe and leak-free. They make your project run smoothly and last longer.
Here’s what to consider when buying AN fittings:
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Material Quality: Look for fittings made from strong materials like 6061-T6 aluminum. This ensures durability and resistance to corrosion. Good materials handle high pressure and heat without failing.
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Pressure Rating: Check the maximum working pressure. Most quality AN fittings handle between 750 PSI to 1500 PSI. Choose fittings that match or exceed your system’s pressure needs.
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Temperature Range: Make sure the fittings can work in your system’s temperature range. Many AN fittings handle from about -65℉ to 252℉. This keeps them reliable in hot or cold conditions.
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Compatibility: Match fittings to your hose type. Some fit nylon braided hoses, others fit stainless steel or rubber hoses. Using the right fitting prevents leaks and damage.
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Swivel Design: Swivel fittings make installation easier and reduce hose twisting. Look for 360° swivel options for flexibility and neat setups.
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Seal Type: AN fittings use a 37-degree flare seal for leak-free connections. For adapters with NPT threads, use sealant or PTFE tape to avoid leaks.
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Fitting Angles: Choose from straight, 45°, 90°, or 180° fittings depending on your layout. Proper angles help route hoses cleanly and avoid kinks.
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Ease of Installation: Some fittings come with push-lock or quick-connect features. These save time and effort during assembly.
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Kit Options: Consider buying kits that include hoses, fittings, clamps, and separators. Kits offer convenience and ensure all parts work well together.
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Finish and Corrosion Resistance: Black anodized finishes protect fittings from rust and wear. This keeps your system looking good and lasting longer.
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Reusability: High-quality AN fittings can be reused and recycled. This is good for saving money and reducing waste.
By focusing on these factors, you’ll find AN fittings that fit your needs perfectly. Your fluid system will be strong, safe, and ready for any challenge.