SKU: RHP8163-06-16-2
UPC: 848487021725
MPN: 8163-06-16-2
The REDHORSE PERFORMANCE 6AN to M16x1.5 O-ring straight adapter fitting (part number 8163-06-16-2) is a precision hydraulic and fluid line connector engineered for high-pressure fuel systems, transmission coolers, and custom plumbing applications. This 6 AN male to 16mm x 1.5 male O-ring adapter is machined from aluminum and finished in black anodize, delivering corrosion resistance and weight savings critical in performance automotive and powersports environments.
The straight configuration enables direct thread connection without offset, simplifying installation in tight engine bay layouts where space constraints demand minimal adapter footprint. The AN (Army-Navy) thread standard on the 6AN port accommodates standard dash-6 hose and fitting assemblies, while the M16x1.5 metric port integrates with OEM and aftermarket components using ISO metric thread specification. Black anodized aluminum construction provides a weight advantage over steel while maintaining structural integrity under rated pressure cycling. The O-ring seal design relies on elastomer compression at the face interface, requiring proper torque application and compatible fluid compatibility during installation.
This adapter serves builders of custom fuel systems, transmission line modifications, and hydraulic component integration where AN and metric ports must be cross-connected. It is commonly used in custom supercharger fuel rails, cooler line relocations, and engine-mounted component plumbing on turbocharged and naturally aspirated builds. Technicians and fabricators value REDHORSE fittings for consistent thread quality and predictable seal performance across repeated assembly cycles.
The 8163 series represents REDHORSE's straight adapter line and is recognized in the performance automotive aftermarket for application versatility. Proper installation includes use of a torque wrench, verification of port cleanliness, and inspection of O-ring condition before assembly. Verify fluid and pressure ratings with system design specifications before use.
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