#6 O-Ring Port Plug

The #6 O-Ring Port Plug is a precision fuel system fitting designed for technicians and enthusiasts who demand reliability in high-performance fuel delivery systems. This compact aluminum plug seals AN port connections in carbureted and fuel-injected applications, preventing fuel leakage and contamination at critical junction points. Built by MAGNAFUEL/MAGNAFLOW FUEL SYSTEMS, a trusted manufacturer in the racing and automotive aftermarket, this component addresses the need for secure, leak-free connections in custom fuel line configurations.

Engineered from durable aluminum and finished with purple anodized coating, the #6 O-Ring Port Plug features a hex head design for easy installation and removal with standard wrenches or sockets. The integrated O-ring seal provides a reliable barrier against fuel weeping without requiring additional tape or sealant, ensuring consistent pressure integrity across engine cycles and temperature fluctuations. The compact 3 x 0.65 x 3.75 inch profile fits seamlessly into tight engine bay spaces while maintaining full structural strength under typical fuel system pressures.

This plug is essential for fuel system builders, engine swap specialists, and competition mechanics who need to cap unused 6 AN (3/8-inch) ports on fuel blocks, manifolds, or distribution blocks. Whether you're finalizing a custom fuel system, blocking off obsolete fittings, or replacing worn plugs in an existing setup, the O-ring port plug ensures no fuel loss and professional-grade system integrity. Its purple anodized finish provides visual identification in complex fuel line networks, simplifying future maintenance and troubleshooting in high-heat engine compartments.