Looking for the best 3 AN fittings? We’ve tested top options to help you choose reliable, high-performance fittings for your automotive or machinery projects!
3 AN fittings are essential for secure fluid connections in cars, bikes, and machines. They ensure tight seals and leak-free performance in fuel, brake, and cooling systems. Choosing the right fittings can make your project reliable and efficient.
These fittings come in various materials like aluminum and stainless steel, each with unique benefits. They handle high pressure and extreme temperatures, making them perfect for demanding applications. Whether you’re upgrading or repairing, 3 AN fittings are a smart choice.
We’ve tested and reviewed the best 3 AN fittings to help you decide. From straight adapters to swivel fittings, we’ve got you covered. Let’s dive in and find the perfect fit for your needs!
List of Top 10 3 AN Fittings
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
EVIL ENERGY 3AN Male Flare to 1/8″ NPT Pipe Fitting Adapter Aluminum Straight Black 2PCS |
This adapter is perfect for anyone working on fuel, cooling, or power steering systems. It’s easy to install and works great for connecting AN3 to 1/8″ NPT threads. |
|
![]() |
Podavelle 3AN Male to 3AN Male Flare Union Coupler Adapter Fitting Fuel Oil Connector Straight Aluminum Black, Pack of 2 |
This Podavelle 3AN Male to 3AN Male Flare Union Coupler Adapter Fitting Fuel Oil Connector is perfect for anyone working on fuel or oil systems. Whether you’re building a race car, fixing a boat, or upgrading a motorcycle, this lightweight aluminum fitting ensures a reliable, leak-free connection for gas, oil, or other fluids. |
|
![]() |
Podavelle 3AN Hardline Stainless Steel Tube Nut and Sleeve Fitting for 3/16″ OD Tubing, 2 Sets |
This Podavelle 3AN fitting is perfect for DIY enthusiasts and professionals working with 3/16″ hardline tubing. It’s ideal for creating secure, leak-free connections in automotive, plumbing, or custom projects. |
|
![]() |
EVIL ENERGY 3AN Female to 3AN Male Flare 90 Degree Swivel Fitting Adapter Aluminum Black 2PCS |
This product is perfect for mechanics and DIY enthusiasts working on high-performance vehicles or hydraulic systems. Its aluminum alloy 6061-T6 build, 1,500 PSI rating, and 360° swivel design ensure durable, leak-proof connections in demanding conditions. |
|
![]() |
EVIL ENERGY 3AN PTFE Hose End Fitting Straight Black for PTFE Hose Only 2PCS |
This product is perfect for car builders or mechanics needing sturdy, high-pressure fuel line parts. It works only with PTFE hoses and fits 3/8-24 UNF threads. Aluminum alloy 6061-T6 gives strength and rust resistance. It handles 1500PSI pressure and extreme temps from -65°F to 252°F. The 37-degree seal ensures tight connections. 360° swivel design makes installation easy. |
|
![]() |
Podavelle 3AN Male to 3/8-24 Male Inverted Flare Stainless Steel Brake Adapter Fitting Connector |
This brake adapter fitting is perfect for car enthusiasts and mechanics who need a reliable and durable solution for their brake and clutch systems. It’s easy to use and works well with fuel, oil, and brake fluids. |
|
![]() |
Podavelle 3AN Male Flare Straight Bulkhead Fitting Adapter with 3AN Nut Aluminum Black |
This product is perfect for automotive and marine enthusiasts needing strong, lightweight connectors. It’s ideal for racers, off-road builders, and mechanics working with fuel systems. The corrosion-resistant design ensures long-term reliability in tough conditions. |
|
![]() |
Podavelle Stainless Steel 3AN Male Brake Line Tee Block Fitting Adapter with Mount Tab |
This Podavelle Stainless Steel 3AN Male Brake Line Tee Block Fitting Adapter is perfect for anyone working on cars, trucks, or motorcycles. It’s great for brake lines, clutch lines, or fuel systems, helping you keep everything neat and secure. |
|
![]() |
EVIL ENERGY 3AN Male Flare to 1/8″ NPT Pipe Fitting Adapter Stainless Steel Straight |
This EVIL ENERGY fitting is perfect for anyone working on fuel, cooling, or power steering systems. It’s easy to install and works well in extreme temperatures. |
|
![]() |
Podavelle 3AN Hardline Tube Nut and Sleeve Fitting Adapter for 3/16″ Hard Line Aluminum Black, 2 sets |
Automotive enthusiasts and DIY mechanics needing lightweight, durable fittings for aluminum tubing. These adapters create secure AN/JIC connections with a 37-degree flare, ideal for fuel lines, brakes, or custom builds. |
Detailed Reviews
Finding the perfect 3 AN fittings means choosing durable, leak-free solutions for fuel, brake, or cooling systems. These top picks use 6061-T6 aluminum or 304 stainless steel for strength and corrosion resistance, with 37° flares or NPT threads to ensure secure connections. Whether you need straight adapters, swivel fittings, or bulkhead connectors, this guide covers reliable options for every project—easy to install, built to last.
1. EVIL ENERGY 3AN Male Flare to 1/8″ NPT Pipe Fitting Adapter Aluminum Straight Black 2PCS

The EVIL ENERGY 3AN Male Flare to 1/8″ NPT Pipe Fitting Adapter is a straight, black aluminum fitting that comes in a 2-piece set. It’s designed to connect AN3 and 1/8″ NPT threads easily.
Made from 6061-T6 aluminum alloy, it’s strong and lightweight. The anodized black finish adds durability and style. Perfect for fuel, cooling, and power steering systems.
The 37-degree flare seal ensures tight connections. 60-degree tapered threads on the NPT side prevent leaks. Use sealant or PTFE tape for extra security.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This adapter is perfect for anyone working on fuel, cooling, or power steering systems. It’s easy to install and works great for connecting AN3 to 1/8″ NPT threads.
Ready to Purchase?
2. Podavelle 3AN Male to 3AN Male Flare Union Coupler Adapter Fitting Fuel Oil Connector Straight Aluminum Black, Pack of 2

The Podavelle 3AN Male to 3AN Male Flare Union Coupler is a straight aluminum fitting designed for fuel and oil systems. It comes in a pack of 2 for convenience. Each piece is made from lightweight 6061-T6 aluminum, ensuring durability and strength.
Its anodized finish resists corrosion and adds longevity. The 37° sealing angle ensures a tight seal under high pressure. Perfect for liquid or gas applications needing high-flow connections.
This adapter works with gasoline and alcohol-based fuels. It’s fully compatible with AN threaded systems. A reliable choice for any project requiring secure connections.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Podavelle 3AN Male to 3AN Male Flare Union Coupler Adapter Fitting Fuel Oil Connector is perfect for anyone working on fuel or oil systems. Whether you’re building a race car, fixing a boat, or upgrading a motorcycle, this lightweight aluminum fitting ensures a reliable, leak-free connection for gas, oil, or other fluids.
Ready to Purchase?
3. Podavelle 3AN Hardline Stainless Steel Tube Nut and Sleeve Fitting for 3/16″ OD Tubing, 2 Sets

Podavelle 3AN fittings connect 3/16″ hardline tubing securely. They include two stainless steel nuts and sleeves for durable use.
Each set uses 304 stainless steel. They fit 3/16″ OD tubing precisely. A 37-degree flare is required for proper installation.
These fittings create secure AN connections for fluid systems. Always use a flaring tool to prepare tubing ends.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Podavelle 3AN fitting is perfect for DIY enthusiasts and professionals working with 3/16″ hardline tubing. It’s ideal for creating secure, leak-free connections in automotive, plumbing, or custom projects.
Ready to Purchase?
4. EVIL ENERGY 3AN Female to 3AN Male Flare 90 Degree Swivel Fitting Adapter Aluminum Black 2PCS

This EVIL ENERGY 3AN adapter connects female to male flare fittings. It uses a 3/8-24 UNF thread for secure threading. Made of 6061-T6 aluminum alloy with a black finish, it’s lightweight and durable.
The adapter handles up to 1,500 PSI and works from -65°F to 252°F. A 37-degree angle seals the AN flare side tightly.
Its 90-degree angle and 360° swivel fit tight spaces easily. The 2PCS set offers value for multiple projects. Built for strength and simple installation, it’s a trusted choice.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for mechanics and DIY enthusiasts working on high-performance vehicles or hydraulic systems. Its aluminum alloy 6061-T6 build, 1,500 PSI rating, and 360° swivel design ensure durable, leak-proof connections in demanding conditions.
Ready to Purchase?
5. EVIL ENERGY 3AN PTFE Hose End Fitting Straight Black for PTFE Hose Only 2PCS

The EVIL ENERGY 3AN PTFE Hose End Fitting is a straight, black fitting designed for PTFE fuel lines only. It comes in a pack of 2 and is made from high-quality aluminum alloy 6061-T6, ensuring durability and reliability.
It has a 3/8-24 UNF thread size and works under 1500PSI pressure. The temperature range is -65°F to 252°F, making it versatile for various applications.
The 360° swivel design allows for easy assembly, while the 37-degree angle seal on the AN side ensures a tight, leak-free connection. Perfect for high-performance fuel systems.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for car builders or mechanics needing sturdy, high-pressure fuel line parts. It works only with PTFE hoses and fits 3/8-24 UNF threads.
Aluminum alloy 6061-T6 gives strength and rust resistance. It handles 1500PSI pressure and extreme temps from -65°F to 252°F.
The 37-degree seal ensures tight connections. 360° swivel design makes installation easy.
Ready to Purchase?
6. Podavelle 3AN Male to 3/8-24 Male Inverted Flare Stainless Steel Brake Adapter Fitting Connector

This Podavelle 3AN adapter connects brake and clutch parts to 3AN flex hoses. It’s made of 304 stainless steel for strength and corrosion resistance. The design fits master cylinders, calipers, and wheel cylinders easily.
The 3/8-24 inverted flare end works where 3/16” steel lines are used. It’s safe for fuel, oil, brake fluids, and other common liquids.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This brake adapter fitting is perfect for car enthusiasts and mechanics who need a reliable and durable solution for their brake and clutch systems. It’s easy to use and works well with fuel, oil, and brake fluids.
Ready to Purchase?
7. Podavelle 3AN Male Flare Straight Bulkhead Fitting Adapter with 3AN Nut Aluminum Black

Podavelle 3AN Male Flare is a straight bulkhead adapter. It fits 3/8-24UNF male flare lines. Made from lightweight 6061-T6 aluminum.
Anodized finish boosts strength and fights corrosion. These fittings secure lines through firewalls or panels. They work safely with gasoline and alcohol fuels.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for automotive and marine enthusiasts needing strong, lightweight connectors. It’s ideal for racers, off-road builders, and mechanics working with fuel systems. The corrosion-resistant design ensures long-term reliability in tough conditions.
Ready to Purchase?
8. Podavelle Stainless Steel 3AN Male Brake Line Tee Block Fitting Adapter with Mount Tab

The Podavelle Stainless Steel 3AN Male Brake Line Tee Block Fitting Adapter is a reliable and versatile tool. It’s perfect for securing lines in your vehicle or machinery.
Made from 304 stainless steel, it’s durable and rust-resistant. The AN3 size fits 3/8-24 UNF threads and has a 7.2mm mounting hole. It’s CNC machined for a tight, leak-free connection.
Use it for brake lines, clutch lines, or coolant systems. It’s handy for neat installations and works with fuel and turbo oil feed hoses. Podavelle ensures precision in every fitting.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Podavelle Stainless Steel 3AN Male Brake Line Tee Block Fitting Adapter is perfect for anyone working on cars, trucks, or motorcycles. It’s great for brake lines, clutch lines, or fuel systems, helping you keep everything neat and secure.
Ready to Purchase?
9. EVIL ENERGY 3AN Male Flare to 1/8″ NPT Pipe Fitting Adapter Stainless Steel Straight

Connects 1/8″ NPT to 3AN threads for secure fluid system links. Made of stainless steel 304 handles extreme temps from -50℃ to 800℃. Sealed with 37-degree flare and 60-degree NPT threads to prevent leaks.
Works in fuel, cooling, and power steering systems. Use sealant or PTFE tape on NPT end for best results. Easy to install/remove with a wrench.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This EVIL ENERGY fitting is perfect for anyone working on fuel, cooling, or power steering systems. It’s easy to install and works well in extreme temperatures.
Ready to Purchase?
10. Podavelle 3AN Hardline Tube Nut and Sleeve Fitting Adapter for 3/16″ Hard Line Aluminum Black, 2 sets

Podavelle 3AN fittings link 3/16″ aluminum hardlines to AN/JIC systems. Each set has two nuts and sleeves for easy installs.
They use 6061-T6 aluminum for light weight and strong holds. The anodized finish resists rust and lasts long. These fittings make tight, leak-free seals every time.
Always flare tube ends at 37 degrees before fitting. Ideal for fuel, brake, or air lines in cars and machines.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Automotive enthusiasts and DIY mechanics needing lightweight, durable fittings for aluminum tubing. These adapters create secure AN/JIC connections with a 37-degree flare, ideal for fuel lines, brakes, or custom builds.
Ready to Purchase?
Buying Guide
3 AN fittings are essential for secure fluid connections in cars, bikes, and machines. Choosing the right fittings ensures reliable and leak-free performance.
When buying 3 AN fittings, consider these key factors to make the best choice:
- Material: Choose between aluminum for lightweight durability or stainless steel for corrosion resistance and strength.
- Application: Match fittings to your system, like fuel, brake, or cooling, for optimal performance.
- Thread Type: Ensure compatibility with AN, NPT, or UNF threads for a secure fit.
- Pressure Rating: Select fittings that handle your system’s pressure requirements to avoid leaks.
- Temperature Range: Pick fittings that work in your system’s temperature conditions, from extreme cold to high heat.
- Design: Opt for straight, swivel, or bulkhead fittings based on your installation needs.
- Finish: Anodized or coated finishes add durability and style while resisting corrosion.
- Brand Reliability: Choose trusted brands like EVIL ENERGY or Podavelle for quality and performance.
With these factors in mind, you’ll find the perfect 3 AN fittings for your project!