12an Male to 16an ORB Fitting

The 12 AN Male to 16 AN ORB Fitting by AEROMOTIVE is an essential adapter for custom fuel system builds where line size transitions or ORB port compatibility becomes critical. This fitting serves mechanics and performance enthusiasts who demand reliable hydraulic connections in high-pressure fuel applications, including turbocharged engines, fuel injection conversions, and custom fuel rail setups.

When upgrading fuel delivery systems, proper adapter selection prevents leaks, pressure loss, and system failures that can compromise engine performance or safety. This adapter features a -12 AN male connection on one end and a 16 AN O-Ring Boss (ORB) female port on the other, enabling seamless integration between -12 fuel lines and components with ORB threaded ports. The ORB design uses a precision-machined sealing surface and O-ring groove to create a leak-free metal-to-metal bond without relying solely on thread friction, which is essential for fuel systems operating at elevated pressures.

AEROMOTIVE's manufacturing standards ensure tight tolerances and corrosion-resistant materials, delivering the durability required in engine bays where temperature fluctuations and fuel exposure are constant. This fitting is indispensable for fuel system designers working with mixed-size components—particularly when connecting aftermarket fuel pumps, regulators, or injector rails that use ORB ports to -12 AN line infrastructure. Installation is straightforward: thread the ORB end into the component port.