Swivel Coupling Fitting 4an Female Straight

The EARLS Swivel Coupling Fitting 4AN Female Straight is a vital component for automotive enthusiasts engaged in custom fuel, coolant, and hydraulic line routing. This fitting is designed for high-performance engine builds and serves as a connection point for hard-line or braided hose assemblies to fuel rails, carburetors, and coolers. Its reliable design is essential for those upgrading fuel delivery systems or plumbing bespoke fuel systems in modified vehicles.

The 4AN designation indicates compatibility with 1/4-inch OD hose or hard-line tubing, a standard size for fuel and coolant circuits. The female straight design connects to male fittings or quick-disconnect couplers, while the swivel feature allows for 360-degree rotation, preventing kinks or twists during installation. EARLS fittings are crafted to precise tolerances, ensuring leak-free performance and compatibility with various fluids.

This coupling is particularly beneficial for builders working on EFI conversions and engine bay reorganization projects, where space and hose routing are critical. Its compact design and robust construction make it ideal for both street and race applications, providing the reliability that serious automotive enthusiasts demand.