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Celebrating 20 years of selling the highest quality parts at the lowest prices. Guaranteed.
What Our Customers Say
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"[RE 600HP Water/Air intercooler kit] This is the best intercooler setup you can run on a dsm. It was better than any FMIC I have encountered. "
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"Thank you so much for the prompt service. Your silicone couplings, lengths etc. are second to none, great quality and the t-bolt clamps are top notch. Thanks for the help on my GTI-R swapped 91 sentra its really quick."
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"Thanks for resolving this issue so quickly. This is truly exceptional customer service. You count on me for another purchase should the need arise."
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"Just wanted to let you guys know that your site is great and I linked it on one of my local automotive forums. After i get the products in and install I'll more than likely be posting it up on some national/global mustang boards if all goes well..."
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"Thanks for the response. We have an inside joke that you guys only hire ninjas with how fast your service is. SIS is definitely the first place I check for parts. You guys have a great thing going on there. Thanks!"
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"Thank you for having the best prices that I can find. I have looked for hours on line and spent hours going from auto parts house to parts house and you have the best prices around."
AN Fittings
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Stainless Steel Lines
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AN Reducers
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AN to NPT Adaptors
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AN 90°, Tees, Plugs
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AN Union Adaptors
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Misc. Adaptors
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Pressure Test Kits
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Aluminum Pipe
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Carbon Fiber Pipes
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Silicone Couplers
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Clamps
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Pumps, Fans, Gauges
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Oil Coolers, Radiators
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Air Filters, Tools
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Intercoolers
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Stainless Steel Pipe
See MoreAN Fittings Direct, Inc. - Your Source for AN Fittings and Stainless Steel Lines.
All orders ship the next business day
You will receive your tracking number through email when your order ships
Why shop here for your AN fittings and stainless steel lines? Our stainless steel lines utilize a smooth bore PTFE tube inside a braided stainless steel sleeve. This combination gives you extreme pressure, heat, and chemical resistance along with a shiny and professional appearance. If you're building oil lines, fuel lines, doing an ethanol / E85 conversion, or any other fluid transfer system, www.anfittingsdirect.com is your magic bullet.
- Our stainless steel line termination fittings utilize our own Triple-Grip design, which grips the PTFE tube in two places and also grips the stainless steel line itself, giving you a sturdy and leakproof installation.
- Our AN fittings are compatible with other AN fittings on the market because the AN specification is well known and standard in the automotive aftermarket.
- Our AN fittings and stainless steel lines come in a wide variety of colors, allowing you to build 8 different color combinations. Match your vehicles paint, or use red for lines carrying hot fluid and black for lines carrying cool fluid.
- Our AN fittings and stainless steel lines are superior to the competition in every way, and they cost less too!