[3AN to 1/4 inch]
[6AN to 3/8 & 5/16 inch]
[3AN to 1/4 inch]
[6AN to 3/8 & 5/16 inch]
EVIL ENERGY 3/6AN Male to 1/4, 5/16 & 3/8 inch Hardline Compression Fitting Adapter Black Aluminum - EVILENERGY
EVIL ENERGY 3/6AN Male to 1/4, 5/16 & 3/8 inch Hardline Compression Fitting Adapter Black Aluminum - EVILENERGY
EVIL ENERGY 3/6AN Male to 1/4, 5/16 & 3/8 inch Hardline Compression Fitting Adapter Black Aluminum - EVILENERGY
EVIL ENERGY 3/6AN Male to 1/4, 5/16 & 3/8 inch Hardline Compression Fitting Adapter Black Aluminum - EVILENERGY

EVIL ENERGY 3/6AN Male to 1/4, 5/16 & 3/8 inch Hardline Compression Fitting Adapter Black Aluminum

$21.99
$21.99
$13.99
Size: 6AN to 3/8 & 5/16 inch
SKU: EVJN-CS21-00101007
Product Type: Male HardLine Fittings

  • Connects 3AN or 6AN male flare to 1/4", 5/16", or 3/8" OD hardline using compression adapter.
  • Crafted from black anodized aluminum with brass ferrule for leak-free high-pressure sealing.
  • Standard 37° AN flare ensures metal-to-metal seal without the need for thread sealant.
  • Ideal for fuel delivery, EFI conversions, LS swaps, and custom engine bay plumbing.
  • Only compatible with stainless steel or aluminum hardline – not for rubber/Nylon hose setups.

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[3AN to 1/4 inch]

EVIL ENERGY 3/6AN Male to 1/4, 5/16 & 3/8 inch Hardline Compression Fitting Adapter Black Aluminum

$21.99 $13.99
$21.99 $13.99

EVIL ENERGY 3/6AN Male to 1/4, 5/16 & 3/8 inch Hardline Compression Fitting Adapter Black Aluminum

$21.99 $13.99
Size: 6AN to 3/8 & 5/16 inch
Connection options 3AN male to 1/4-inch OD hardline; 6AN male to 5/16- or 3/8-inch OD hardline
Material 6061 aluminum body with brass ferrule
AN seal 37-degree flare
Tube compatibility Stainless steel or aluminum hardline
Configuration Straight
Not compatible with Soft, braided rubber, or nylon hose

AN Male Hardline Compression Adapter

Transition metal hardline to a male AN flare without treating flexible hose as rigid tubing. Choose the adapter by the hardline outside diameter and required AN connection: 1/4-inch tube to 3AN, or 5/16- and 3/8-inch tube to 6AN.

Match the Hardline Outside Diameter

Use Compatible Metal Tubing

This compression fitting is intended for stainless steel or aluminum hardline. Measure the tube outside diameter and do not use soft, braided rubber, or nylon hose in the compression end.

Prepare a Clean, Straight Tube End

Cut the tube square, remove burrs, clean away debris, and keep enough straight tube length for the nut and ferrule to seat correctly. Support the hardline so vibration does not load the joint.

Connect the AN Flare Side

Match the male 37-degree flare to a compatible female AN hose end or component. Start threads by hand, align both sealing surfaces, and pressure-test the completed fuel-line connection before operation.

AN male hardline compression adapter size options

Brand Summary

Policy Details
Cancellation Policy Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days.
Returns Policy Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days.
Non-Returnable Items Only regular-priced items are eligible for refunds; sale items are non-refundable.
Refund Processing If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com.

Return Reasons

  1. Quality Issues: Provide photos/videos; we cover return shipping.
  2. Wrong Item Ordered: Buyer covers return shipping; email within 30 days.
  3. Change of Mind: Buyer covers return shipping; email within 30 days.
  4. Shipping Damage: Inspect packages; do not sign for damaged items.
  5. Incorrect Item Shipped: Contact within 7 days.

Price Protection Policy

Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.

Disclaimer

EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.

If you need further information or assistance, feel free to ask!

Q: Which hardline sizes are supported?

A: Choose 1/4-inch OD hardline to 3AN, or 5/16- or 3/8-inch OD hardline to 6AN.

Q: What tubing can be used?

A: The compression end is listed for stainless steel or aluminum hardline.

Q: Can this fitting be used with flexible hose?

A: No. Do not use soft, braided rubber, or nylon hose in the hardline compression end.

Q: What is included in the compression seal?

A: The aluminum body uses a brass ferrule to grip and seal the prepared metal tube.

Q: How should the connection be checked?

A: Support the tube, align the 37-degree AN flare, and pressure-test the finished assembly for leaks.

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