10AN Female to 12AN Male Expander Black

The 10AN Female to 12AN Male Expander Black from REDHORSE PERFORMANCE is a precision hydraulic and fuel line adapter engineered for high-performance fuel systems, cooling circuits, and pneumatic applications. This fitting expands a 10 AN (10/16-inch) female port to accommodate a 12 AN (12/16-inch) male line, enabling seamless integration between mismatched hose sizes without compromising flow integrity or system pressure ratings. Technicians and performance builders rely on this adapter when reconfiguring fuel delivery systems, custom plumbing layouts, or upgrading to larger-diameter hoses while maintaining compatibility with existing components.

Constructed from aluminum and finished in black anodized coating, the 952-10-12-2 delivers robust corrosion resistance and a professional appearance in engine bays and fluid distribution manifolds. The anodized surface protects against oxidation and wear while maintaining low weight—essential in performance and race applications where component mass directly affects system efficiency. Black anodized aluminum also provides thermal stability and resists degradation from fuel, coolant, and brake fluid exposure, ensuring long-term reliability in demanding motorsports and automotive tuning environments. The expander's precision-machined porting ensures tight seals and eliminates pressure drops across the adapter interface.

This fitting is ideal for fuel system builders, race car fabricators, and custom hot rod shops performing hose routing modifications or component upgrades. Installation requires standard AN wrench compatibility—ensure proper torque specification per your fuel system documentation and use appropriate sealing washers rated for your fluid type. The compact 2.8 x 1.4 x 3.8 inch profile fits tight engine compartments and manifold clusters, making it suitable for both street performance and full race builds. Always verify AN port threading and male/female orientation before assembly to avoid cross-threading and pressure loss.