4AN PTFE Hose Ends Black STR

The REDHORSE PERFORMANCE 4AN PTFE Hose Ends Black STR is a straight-fitting hose end assembly engineered for high-pressure hydraulic and fuel line applications. This 4 AN PTFE hose end connects 4 AN PTFE hose to 4 AN female swivel ports, delivering reliable sealed connections in performance fuel systems, hydraulic circuits, and fluid transfer setups where vibration isolation and leak prevention are critical.

Constructed from black anodized aluminum, this 1200 Series fitting combines lightweight durability with corrosion resistance. The swivel design allows angular freedom during installation without twisting the hose itself—a practical advantage in tight engine bays or complex plumbing layouts. PTFE (polytetrafluoroethylene) hose compatibility ensures compatibility with fuel, oil, and hydraulic fluids across a wide temperature and pressure range, making this fitting suitable for street, race, and industrial applications alike.

This straight-configuration hose end is ideal for inline fuel rails, cooler circuits, transmission coolers, and remote oil filtration systems where direct port-to-port flow is required. The swivel female connection reduces assembly stress and prevents fitting galling during install. Whether building a fuel delivery system for a modified engine, upgrading hydraulic lines on a work vehicle, or assembling competition fluid circuits, this REDHORSE fitting delivers precision and repeatability in every connection.

The 4AN size (1/4-inch flow path) balances flow capacity with compact packaging—common in moderate to high-horsepower fuel systems and auxiliary hydraulic lines. Black anodized finish provides both protection and professional appearance while remaining lightweight and corrosion-resistant. Each fitting is sold individually, allowing you to build custom hose assemblies to specification.