Where Can You Find Quality 6AN Fittings?

by Admin

When constructing or repairing fuel lines, cooling systems, or automotive plumbing, the quality of the components you use is paramount. Among these, 6AN fittings are crucial for ensuring a secure, leak-proof connection in high-performance applications. In this context, “AN” stands for Army-Navy and the number 6 refers to the size (6/16ths of an inch) of the tubing. These fittings are commonly used in the automotive and aerospace industries where a robust and reliable fluid connection is necessary.

Understanding 6AN Fittings

6AN fittings are designed to fit with lines that are approximately 3/8 inch in diameter. They are typically made from materials such as aluminum, stainless steel, or sometimes brass, each offering its advantages in terms of strength, corrosion resistance, and aesthetic appeal. These fittings come in various types, including but not limited to, straight, 45-degree, 90-degree, and swivel options, allowing for flexibility and ease of installation in tight spaces.

Criteria for Quality in 6AN Fittings

To ensure you are choosing high-quality 6AN fittings, consider the following criteria:

  • Material: Opt for fittings made of anodized aluminum or stainless steel for better corrosion resistance and strength.
  • Precision: Fittings should have precise threads and a clean finish to ensure they fit perfectly without causing any leaks.
  • Branding: Choose fittings from reputable manufacturers who are known for quality and reliability in the automotive industry.
  • Certifications: Look for products that meet standard industry certifications and are tested for pressure and compatibility.

Where to Find Quality 6AN Fittings

  1. Specialty Automotive Stores: These stores often carry a wide range of high performance automotive parts and are likely to stock quality 6AN fittings. They can provide expert advice on selection and installation.
  2. Online Retailers: Websites like Amazon, eBay, and specific automotive parts sites have extensive catalogs of 6AN fittings. Customer reviews on these platforms can be a great resource for assessing the quality of different brands.
  3. Racing and Performance Shops: These shops cater to the racing community and stock high-grade, performance-oriented parts that are perfect for demanding applications.
  4. Manufacturers’ Websites: Purchasing directly from the manufacturer can ensure that you get authentic and high-quality fittings. Companies like Aeromotive, Earl’s Performance Plumbing, and Russell Performance Products are renowned for their durable and efficient plumbing solutions.
  5. Automotive Swap Meets and Shows: These events can be a goldmine for finding rare and high-quality parts, including 6AN fittings, often at lower prices than retail.


Choosing the right 6AN fittings involves understanding their specifications, material properties, and the reliability of the brands. By visiting reputable dealers or shopping from trusted online platforms, you can ensure that you get the best product that offers both performance and durability. Always prioritize quality over cost, especially in applications where safety and performance are critical.

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