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⚡ Upgrade your fuel game with leak-proof precision!
The EVIL ENERGY 6AN Male to 3/8" Hardline Compression Fitting Adapter is a high-quality, durable aluminum alloy and brass component designed for secure fuel system connections. Featuring a precise 37° flare sealing angle and compatible with stainless steel or aluminum hardlines, this 2-piece set ensures leak-free performance and is highly rated by automotive professionals and enthusiasts alike.























| ASIN | B0BN5SVK35 |
| Best Sellers Rank | #2,479 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Fuel System Fittings |
| Brand Name | EVIL ENERGY |
| Color | 2PCS |
| Connector Type | Flare |
| Customer Reviews | 4.8 4.8 out of 5 stars (704) |
| Exterior Finish | Aluminum, Brass |
| Item Weight | 0.04 Kilograms |
| Manufacturer | EVIL ENERGY |
| Material Type | Aluminum |
| Number of Pieces | 2 |
| Set Name | 2-Piece Set (6AN to 3/8) |
| Size | 6AN to 3/8 |
| Thread Size | 0.375 inch |
| Thread Type | UNF |
| Unit Count | 2.0 Count |
B**L
Works great!
Good stuff! There’s no easier or more cost affective way to convert a 3/8” hard line into braided line than this. I used one of these to convert the feed line out of my fuel sending unit into a 6an line. Worked perfectly, was easy to install, looks great and seals up tight. Love it!
D**S
looks and performs great
easy install even in a difficult to reach spot. did not leak a single drop of fuel
D**S
Good quality item
Good quality. Did not leak. Good price for the money. Works perfect for the steal fuel line on 90's GM trucks
B**N
Good product
Quick delivery, good product. I have ordered several items from this company and have been fully satisfied with the product.
J**K
99 Ranger fuel line repair
Broke the braided line going to my fuel filter on my 99 ranger. I used a tube cutter on the steel line and used a compression fitting to start my repair. I made my braided line and had a 5/16 fuel filter fitting going to my filter. Worked great and worked the first time. Biggest part is getting that first compression fitting to secure good. Great kit for braided line repairs.
J**C
Easy to install
Works very well
D**D
happy coustomer
Great parts and will be buying more from Evil Energy
J**N
Perfect
I am very pleased. Worked perfectly and don’t leak a drop. Easy to do. My first time ever doing these and I was very satisfied. I actually used this to make a repair for a hardline that got damaged and had to make a splice. Used compression fittings and it works flawlessly.
B**E
Work perfect for my application
D**A
Not Evil Energy ,very disappointed.
J**D
Once again Evil comes through with a good hands on product that works
J**.
Used these for trans cooler lines. Mint!
A**H
Since Evil Energy has come out ive been usingnit these make life easy and seal great.
Trustpilot
2 days ago
2 months ago