Swivel Fitting Female to Male 4an 90 Deg

The Swivel Fitting Female to Male 4AN 90 Deg by EARLS is a precision adapter designed for high-performance fuel, oil, and coolant line applications in modified and racing vehicles. This 90-degree elbow fitting bridges two 4 AN ports with a swivel design that reduces installation stress and allows for flexible hose routing without kinking or excessive bending. Whether you're building a custom engine bay, upgrading fuel delivery systems, or reconfiguring hydraulic lines during a major modification, this adapter provides the directional change needed to navigate tight engine compartments and complex plumbing layouts.

Constructed from black anodized aluminum, the Swivel Fitting Female to Male 4AN 90 Deg combines lightweight durability with corrosion resistance—essential properties for underhood environments and high-vibration applications. The swivel female-to-male configuration allows one end to rotate independently, accommodating misalignment and reducing mechanical stress on hose crimps and bulkhead fittings during assembly and engine operation. EARLS' precision manufacturing ensures consistent seal integrity and reliable performance at fuel system pressures and thermal cycling, making this fitting suitable for turbocharged, supercharged, and naturally aspirated power plants alike.

This adapter is ideal for fabricators, engine builders, and DIY enthusiasts upgrading fuel rails, oil coolers, transmission coolers, and intercooler piping. The compact 1.3 x 0.75 x 2.9 inch footprint fits into confined spaces common in modified engine bays, while the 4 AN specification (standard across professional racing and street performance platforms) ensures compatibility with AN-rated hose, crimped fittings, and quick-disconnect couplers. Installation is straightforward: thread the female end into one port, connect your hose or fitting to the swivel male end, and torque according to AN fitting standards to establish a sealed, vibration-resistant connection.