Description
Product Overview
The EVIL ENERGY 3AN male flare coupler is engineered for high‑performance fuel systems. Constructed from aircraft‑grade 6061‑T6 aluminum alloy, it offers excellent strength‑to‑weight ratio and corrosion resistance. The 3/8‑24 UNF thread matches standard AN fittings, and the 37‑degree flare seal ensures a leak‑free connection even under 1,500 psi. Available in straight, 45‑degree, and 90‑degree configurations, the black‑finished unit blends durability with a clean appearance.
![[Product front view showing all components]](https://www.blissfulbuy.store/wp-content/uploads/2026/06/a87d6521e3bb48198967d59c58a8d10f.jpg)
Usage
This coupler is perfect for automotive fuel line extensions, linking hoses to fuel filters, pumps, or cooler assemblies. Its robust design tolerates extreme temperatures from -40°F to 250°F, making it suitable for both street and race applications. Installers appreciate the straightforward union type, which simplifies maintenance and reduces installation time.
Why Choose Us
EVIL ENERGY combines precision machining with rigorous quality control to deliver fittings that meet OEM standards. Each unit undergoes dimensional inspection and pressure testing, guaranteeing consistent performance. Our commitment to customer support includes a responsive warranty service and technical assistance for proper installation.
Key Features
- High‑strength 6061‑T6 aluminum construction for lightweight durability
- 37‑degree flare seal provides a secure, leak‑free connection up to 1,500 psi
- Wide temperature range (-40°F to 250°F) handles harsh engine environments
- Multiple angle options (straight, 45°, 90°) for flexible routing
- Dedicated after‑sales support and warranty for peace of mind
FAQ
What thread size does this coupler use?
The male end features a 3/8‑24 UNF thread, compatible with standard AN fuel fittings.
Can this fitting be used with stainless steel fuel lines?
Yes, the aluminum body pairs well with stainless steel hoses, provided the hose barb matches the coupler size.
Is the 37‑degree flare seal sufficient for high‑pressure applications?
Absolutely. The design is rated for up to 1,500 psi, making it suitable for most performance and racing fuel systems.
What are the temperature limits for this product?
The coupler operates safely from -40°F to 250°F, covering typical engine and ambient conditions.
Do you offer technical assistance for installation?
Yes, EVIL ENERGY provides detailed installation guides and a support line to help you fit the coupler correctly.






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