EVIL ENERGY 6AN Flare to M18 x 1.5mm Fitting Adapter – Aluminum Alloy (2PCS)

Overview

Whether you’re upgrading an automotive fluid rail or rebuilding a tight engine bay line, the EVIL ENERGY 6AN to M18 x 1.5mm fitting adapter offers a dependable bridge between standard AN flare hoses and metric threads. Crafted as a 2-piece set, this adapter emphasizes clean lines, precise tolerances, and a sturdy aluminum alloy body designed for durable, repeated use in demanding environments.

Key features

• Thread compatibility: 6AN is 9/16-18 UNF; metric side is M18 x 1.5mm.
• Sealing design: AN side uses a 37-degree flare; metric side relies on an o-ring for sealing.
• Material and build: aluminum alloy 6061-T6 body with a robust NBR rubber o-ring.
• Pressure and temperature: rated for up to 1500 PSI; operating range from -4°F to 212°F (-20°C to 100°C).
• Applications: suitable for transmission oil coolers, fuel filters, fuel lines, and similar fluid connections.
• Value set: includes 2 pieces for flexible pairing or dual-line setups.

Real-world use and benefits

The combination of a 37-degree AN flare and an o-ring on the metric side provides two pathways to a reliable seal, helping to minimize leaks in typical automotive fluid systems. The 6061-T6 aluminum body offers a lightweight yet sturdy profile, with an O-ring solution that supports consistent seating under a range of temperatures. With a high-quality finish and tight tolerances, this adapter is well-suited for installations where space is limited and connections must feel confident during assembly.

Practical tips

• Prepare threads by cleaning them and inspecting for damage before installation.
• Follow standard torque guidelines to avoid over-tightening while achieving a snug seal.
• Check the o-ring seating after initial startup to confirm a stable connection.

Why choose EVIL ENERGY

EVIL ENERGY focuses on components that support flexible, reliable fluid routing in automotive and performance applications. This 2-piece adapter can be a practical upgrade or replacement option for users seeking a metal-to-metal seal with a dependable O-ring on the metric side, complemented by a precise flare on the AN side. While experiences may vary, the adapter is designed to offer a solid foundation for connecting different thread standards in demanding conditions.