#6 Female Swivel to 1/8mpt Fitting

The #6 Female Swivel to 1/8mpt Fitting from FRAGOLA is a precision hydraulic and fuel system adapter designed for custom automotive applications where vibration isolation and flexible routing are critical. Built by mechanics and engineers for mechanics and engineers, this fitting bridges the gap between 6 AN female swivel connections and 1/8 inch NPT male ports—common transition points in fuel injection systems, cooling lines, and turbo plumbing installations. Whether you're fabricating custom fuel rails, rerouting brake lines on a full suspension overhaul, or integrating aftermarket components into an OEM bay, this adapter eliminates rigid connections that can transmit vibration and stress to sensitive components.

Manufactured from aluminum and finished in blue anodized coating, the #6 Female Swivel to 1/8mpt Fitting delivers corrosion resistance and weight savings without compromising durability. The 6 AN female swivel end accepts standard -6 hose assemblies and rotates freely, allowing for hose positioning during installation and reducing strain on fittings during thermal cycling or engine movement. The 1/8 inch NPT male end threads directly into factory or aftermarket sensors, restrictors, and manifold ports with proven sealing geometry. The swivel design is particularly valuable in performance builds where tight engine bays demand angles and offsets that fixed adapters cannot accommodate, and the aluminum construction keeps unsprung weight to a minimum—critical in suspension and drivetrain modifications.

This fitting serves street rod builders, race car fabricators, and shop technicians performing fuel system upgrades, cooling system reconfiguration, and turbocharger integration on everything from classic muscle cars to modern LS swaps. It is commonly paired with braided stainless steel hose assemblies rated for fuel, oil, or coolant pressure service. Installation requires standard AN wrenches on the swivel end and a pipe wrench or AN wrench on the NPT end; thread sealant (PTFE tape or paste) is recommended on the male NPT connection to ensure leak-free operation under pressure. Verify port size and thread type on your destination component before purchase to confirm compatibility.