-16AN x -10 Port Fitting

The -16AN x -10 Port Fitting by Peterson Fluid is a precision hydraulic adapter engineered for high-flow applications where port size reduction is essential. This straight adapter bridges two different AN hose connections—16 AN male to 10 AN male—making it ideal for custom fuel systems, cooling loops, and pressurized fluid transfer in motorsports, marine, and industrial equipment. The fitting solves the common challenge of connecting larger-diameter hoses to smaller-displacement ports without sacrificing reliability or flow integrity.

Manufactured from aluminum and finished in black anodized coating, this adapter delivers corrosion resistance and lightweight durability essential in demanding environments. The O-ring design ensures a secure, leak-free seal under high pressure, while the straight-port configuration minimizes turbulence and maintains consistent flow characteristics. At just 0.09 lbs and compact dimensions (2.8 × 1.45 × 3.65 inches), it integrates seamlessly into tight engine compartments and system layouts without adding unnecessary bulk or weight to your assembly.

This fitting is best suited for fabricators, performance builders, and technicians assembling custom fuel injection systems, turbo cooling circuits, or hydraulic control lines where step-down port adaptation is required. The Peterson Fluid reputation for precision ensures compatibility with OEM-specification hose barbs and AN fittings across the industry. Installation is straightforward: simply thread the male ends into your hose ends or manifold ports, hand-tighten, then finish with appropriate wrenches for a secure hold—no special tools or modifications needed.