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4AN Female to 6AN Male Aluminum Flare Reducer Fitting Adapter for Automotive Fuel Systems 4AN Female to 6AN Male Aluminum Flare Reducer Fitting Adapter for Automotive Fuel Systems
4AN Female to 6AN Male Aluminum Flare Reducer Fitting Adapter for Automotive Fuel Systems 4AN Female to 6AN Male Aluminum Flare Reducer Fitting Adapter for Automotive Fuel Systems
4AN Female to 6AN Male Aluminum Flare Reducer Fitting Adapter for Automotive Fuel Systems 4AN Female to 6AN Male Aluminum Flare Reducer Fitting Adapter for Automotive Fuel Systems

4AN Female to 6AN Male Aluminum Flare Reducer Fitting Adapter for Automotive Fuel Systems

US$ 1 ~ 3.65
Min.Order: 50
Product origin: Dongguan, Guangdong, China
Category: Tools
Product Name: Tools
Availability:In Stock
Product Review : 105 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : RSMG99798-****
  • Material : Aluminum
  • Finish : Black Anodized
  • Fitting Type : Flare Reducer
  • Connection 1 : 4AN Female
  • Connection 2 : 6AN Male
  • Angle : Straight
  • Swivel : No
  • O-Rings Included : No
  • Standard : ANSI
  • Working Pressure : 300 PSI
  • Manufacturing Process : CNC Machined
  • Application : Fuel Systems, Oil Coolers, Brake Lines
  • Compatibility : AN Standard Fittings

This 4AN female to 6AN male flare reducer fitting adapter is designed for professional automotive and performance applications. The precision-machined aluminum construction provides excellent durability while maintaining a lightweight profile.

4AN to 6AN flare reducer fitting

The black anodized finish offers both corrosion resistance and an attractive appearance. These straight adapters feature precision flare connections that ensure leak-free performance in fuel, oil, and hydraulic systems.

AN flare fitting adapter

Ideal for custom plumbing projects, these reducers allow you to connect different AN-sized components in your fuel system, brake lines, or oil cooler setups. The straight-through design maintains optimal flow characteristics.

aluminum AN fitting

Manufactured to exacting standards, these adapters meet the requirements of professional automotive technicians and performance enthusiasts. The aluminum construction provides excellent strength-to-weight ratio while resisting corrosion from fuels and lubricants.

Q***J 2026-03-15

Shipping was surprisingly fast. The package arrived well ahead of the estimated delivery date, which was a very pleasant surprise. Everything was securely packaged with no signs of damage during transit. The quality of the fitting itself appears excellent. The aluminum construction feels solid and the anodized red finish is clean and even, exactly as pictured. The machining looks precise with smooth threads. Customer service was responsive when I had a pre-purchase question about compatibility, providing a clear and helpful answer promptly. Overall, a very smooth transaction from start to finish. The product seems well-made for its intended automotive application, and the entire purchasing experience was straightforward and efficient. I would definitely consider ordering from this seller again for similar fittings in the future based on this positive experience.

O***Z 2026-03-15

Wanted to highlight the exceptional shipping speed on this order. The package arrived far sooner than the initial estimate provided, which was a very pleasant surprise. The item itself was securely packaged with no risk of damage during transit. Upon inspection, the build quality of the aluminum fitting is immediately apparent. It feels solid, the machining is precise with clean threads, and the anodized red finish is even and looks quite durable. There were no burrs or rough edges. While I haven't installed it yet, the tolerances and flare seat appear perfect for a leak-free connection. Customer service was proactive and communicative, sending a tracking update as soon as the item shipped. The overall experience from purchase to delivery was seamless and professional. This level of attention to detail in logistics, product quality, and service communication is commendable and makes purchasing from this seller a reliable choice for critical automotive components. I am thoroughly satisfied and would not hesitate to order similar fittings again in the future.

N***B 2026-03-13

My experience with this order was largely positive, with a few areas for improvement. The shipping was quite fast; the package arrived well ahead of the estimated delivery window, which was a very pleasant surprise. The items were securely packaged in a sturdy box with adequate internal padding, so everything arrived in perfect condition without any dents or scratches. The quality of the aluminum fittings themselves appears to be excellent. The machining is precise, the anodized red finish is even and vibrant, and the threads are clean and sharp. They feel solid and well-made, exactly as one would hope for automotive-grade components. However, the service aspect had a minor hiccup. The initial order confirmation email contained a generic product description that didn’t fully match the specific reducer configuration I purchased, which caused a moment of confusion. A follow-up inquiry to customer service was necessary for clarification. The service representative, while polite and ultimately helpful, took a bit longer to respond than I would have preferred. Once engaged, they provided clear and accurate information, resolving the issue promptly. Overall, the core product and the logistics were outstanding. The service communication could be slightly more precise and responsive from the outset, but the final outcome was satisfactory. I would confidently order from this seller again, especially given the high quality of the fittings and the efficient shipping process. The product seems perfectly suited for its intended use in fuel system applications, and the build quality inspires confidence.

I***S 2026-03-09

V***C 2026-03-05

Excellent experience from start to finish. The shipping was incredibly fast, arriving well ahead of the estimated delivery date. Everything was packaged securely with no risk of damage during transit. The quality of this aluminum adapter is immediately apparent. It feels solid and well-machined, with clean threads and a perfect anodized finish. The fit is precise, exactly as specified for the AN flare standards. There were no burrs or imperfections to be found. Regarding service, the communication was clear and the entire process was seamless. While I haven't installed it yet, based on initial inspection and the overall transaction, I am thoroughly impressed and confident this part will perform flawlessly in my fuel system project. The attention to detail in both the product and the customer experience is commendable. It's refreshing to receive a component that meets and exceeds expectations right out of the package. I would not hesitate to order from this seller again for my automotive plumbing needs. Everything was handled professionally and efficiently.

F***Y 2026-03-04

Wanted to share my thoughts on this adapter. The shipping was incredibly fast, arriving well ahead of the estimated delivery window. The packaging was secure and professional, which is always a good sign. Upon inspection, the quality of the aluminum fitting is immediately apparent. It feels solid, well-machined, and the anodized finish is clean and even with no visible burrs or defects. The threads are crisp and precise. Customer service was also noteworthy; I had a pre-sale question that was answered promptly and thoroughly. Overall, a very smooth transaction from start to finish. The part looks like it will perform its intended function perfectly within my fuel system project. Very satisfied with this purchase based on the logistics, apparent build quality, and the support received.

Q***J 2026-03-03

Wanted to share my thoughts on this adapter fitting. The delivery was impressively quick, arriving much sooner than the estimated date. The packaging was secure and professional, which is always a good sign. Regarding the item itself, the build quality appears solid. The aluminum feels sturdy and well-machined, with clean threads and a good finish. It looks exactly as pictured. Communication from the seller was clear, and the ordering process was straightforward. Overall, a very smooth transaction for a part that seems well-made. No issues to report on the logistics or the initial quality inspection. Satisfied with this purchase experience.

J***J 2026-03-03

Lately, I ordered the 4AN to 6AN flare reducer fitting. The logistics were absolutely stellar. The package arrived much earlier than the initial estimated delivery window, which was a fantastic surprise. Everything was securely packaged with ample protective material, ensuring the fittings were in pristine condition upon arrival. The shipping notification was prompt and tracking updates were consistent and accurate, making the whole wait stress-free. Regarding quality, the aluminum construction feels exceptionally robust and well-machined. The anodized red finish is even and vibrant, showing no signs of flaws or imperfections. The threads are precisely cut and clean, promising a reliable seal. It has a substantial, quality heft to it that inspires confidence for automotive fuel system use. The service aspect was equally commendable. Communication was clear, and any pre-purchase inquiries were answered thoroughly and swiftly. The entire transaction was seamless from browsing to checkout to delivery. A truly hassle-free experience that matched the premium feel of the product itself. Highly satisfactory on all fronts—logistics, quality, and service.

J***V 2026-02-05

Brisk delivery was the first thing I noticed; the package arrived well ahead of the estimated schedule, which was a fantastic start. The build quality of this aluminum adapter is immediately apparent. It feels solid and precisely machined, with clean threads and a good finish that seems like it will hold up well in an automotive fuel system. The service aspect was straightforward with clear communication. While I cannot comment on its long-term performance in an application yet, the initial impressions regarding the logistics and the physical product are very positive. It appears to be a well-made component that arrived efficiently.

N***X 2026-02-04

Great experience with this order. The shipping was incredibly fast and the package arrived well ahead of the estimated delivery date, which was a pleasant surprise. Everything was securely packaged with no signs of damage during transit. The quality of the aluminum fittings appears to be excellent; they feel solid, have clean machining with no burrs, and the anodized finish is even and looks durable. Communication from the seller was clear and proactive, providing tracking updates promptly. Overall, a very smooth transaction from start to finish. I would not hesitate to purchase from this seller again for my automotive project needs. The product met my expectations perfectly in terms of specifications for connecting different AN line sizes. The reducer fitting seems precisely made and should work flawlessly in the fuel system application. Getting the correct adapter quickly and in good condition is crucial for keeping projects on schedule, and this purchase delivered on that front entirely. Very satisfied customer here. The service was efficient, the product quality is top-notch, and the logistics were handled perfectly. What more could you ask for? It makes sourcing parts for custom automotive work much less stressful when you find a reliable supplier like this. Highly recommended for anyone needing quality AN adapters and fittings without any hassle.

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