4AN Tee with Female Swivel on Run Black

The 4AN Tee with Female Swivel on Run Black from REDHORSE PERFORMANCE is a precision fuel line and coolant distribution adapter engineered for custom automotive hydraulic systems. This fitting serves as the critical junction point in high-performance fuel delivery, intercooler piping, or brake fluid circuits where a single feed must split into two controlled branches. Whether you're building a turbocharged EFI system, installing a secondary fuel rail, or integrating auxiliary cooling loops, this adapter provides the versatility and reliability that serious engine builders and suspension tuners depend on.

Constructed from aluminum and finished in black anodized coating, the 4AN Tee combines corrosion resistance with lightweight design—critical in performance applications where every ounce counts and fuel system integrity cannot be compromised. The female swivel inlet accommodates quick-connect or standard hose ends on the primary run, while dual 4 AN male ports deliver consistent flow split to secondary circuits with minimal turbulence. The anodized finish protects against oxidation and fuel degradation while maintaining professional appearance in engine bays and chassis installations. Compact dimensions (2.8 x 1.15 x 3.8 inches) and minimal weight (0.065 lbs) allow flexible routing through tight engine compartments without sacrificing structural integrity or flow capacity.

This adapter is ideal for fuel system upgrades, secondary fuel rail installations, coolant distribution in dual-loop cooling setups, and nitrous oxide supply lines where precise flow control and reliable multi-directional routing are non-negotiable. The swivel female inlet accommodates both push-to-connect hose ends and traditional crimped lines, providing flexibility across various plumbing configurations. Its 828 Series designation confirms compatibility with REDHORSE's extensive ecosystem of 4 AN fittings and adapters, simplifying system design and ensuring uniform pressure ratings across your entire circuit. Installers should verify hose size compatibility and confirm that working pressure ratings align with system specifications before final assembly.