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The Aeromotive AN-04 O-ring boss to 5/16" hose barb adapter converts an AN-04 O-ring boss port to a 5/16" barb for attaching hose lines in fuel or vacuum plumbing. Its compact form lets you join O-ring boss ports with conventional hose runs while preserving flow quality. Made with precision CNC machining from aluminum or stainless steel, Aeromotive fittings are built for fuel compatibility and dependable sealing in gasoline and alcohol applications.
Aeromotive AN-04 O-Ring Boss / 5/16in Hose Barb Adapter Fitting
