#6 Str 37 Deg JIC Crimp Swivel Fitting

The #6 Str 37 Deg JIC Crimp Swivel Fitting is a precision hydraulic hose adapter engineered for high-performance fuel, oil, and coolant system applications where reliability and leak-free connections are non-negotiable. Built by AEROQUIP, a leader in aerospace-grade fluid transfer components, this fitting addresses the demanding needs of performance mechanics and restoration specialists who require OEM-equivalent or superior connections in modified fuel systems, custom cooling circuits, and pressurized fluid delivery. Whether you're building a competition engine bay, upgrading from factory rubber hose to braided stainless steel lines, or repairing a critical fluid circuit, this straight swivel fitting delivers the durability and precision fit that separates a professional installation from a makeshift repair.

This adapter features a 37-degree JIC (Joint Industry Council) thread form with a swivel design that reduces stress on hose assemblies during installation and vibration cycles—essential for longevity under engine bay heat and movement. The crimp-style connection to your 6 AN hose uses cold-forming compression to lock hose fibers permanently, eliminating the hose slip that can plague barbed or reusable fittings under pressure fluctuation. AEROQUIP's aluminum construction with red and silver plating provides corrosion resistance while maintaining a low weight profile critical for fuel-system optimization and heat management. The 37-degree angle matches OEM and motorsport-standard hydraulic adapters, ensuring compatibility with fuel rails, coolers, carburetors, and remote filter housings without adapter stacking that introduces weakness and leak points.

Mechanics building LS or big-block fuel systems, vintage car restorers converting to modern fuel delivery, and performance builders upgrading cooling capacity will find this fitting indispensable for solid, maintenance-free connections. Proper installation requires a crimper tool calibrated for 6 AN hose diameter and a hose compatible with JIC 37-degree threads; once crimped, the fitting becomes a permanent part of the assembly. Store-bought braided hose kits often use lower-grade adapters that weep under sustained pressure—specifying AEROQUIP components ensures your custom lines perform like factory-engineered systems. This single fitting pairs with other 6 AN or 6 AN female adapters to complete fuel rails, oil coolers, transmission coolers, and intercooler circuits where precision, safety, and longevity matter.