AN4 PTFE AN Fittings straight – full flow for fuel & oil (Blue/Red)
Straight AN4 PTFE coupling in hard anodized aluminum. Full flow for maximum flow. Resistant to E85, gasoline, and oil. Perfect for performance and motorsport builds.
Build a pressure-safe and flow-efficient system with our straight AN4 PTFE coupling. It is a full-flow type for minimal pressure drop and stable flow even at high power. The body is made of aircraft-grade aluminum and hard anodized for wear resistance and corrosion protection, while the seals and geometry are adapted for PTFE hose (PTFE inner liner) – ideal for E85, gasoline, and oil where chemical resistance and temperature tolerance are required. The result is an easy-to-install, reliable coupling for fuel supply/return, oil cool/return, and other performance applications.
Features
- Model: Straight AN4 hose coupling
- Compatibility: For PTFE hose (PTFE inner liner)
- Design: Full flow – no unnecessary throttling
- Material: Hard anodized aluminum
- Media: E85, gasoline, oil
- Use: Fuel systems, oil cool/return, motorsport & street performance
Need more angles? The series is also available in 45° and 90° for easy hose routing in tight spaces.


