#10 AN Water Neck Fitting - Black

The #10 AN Water Neck Fitting in black from Meziere is a precision-engineered component designed for high-performance engine builds and custom cooling applications. This AN-style adapter is essential for builders upgrading to custom water pump configurations or modular cooling setups. It serves as a critical junction point between your engine block's coolant outlet and aftermarket radiator hoses.

Constructed from anodized aluminum, the #10 AN water neck fitting features a black anodized finish that resists corrosion while providing excellent thermal conductivity. The fitting accommodates substantial coolant volumes, which is critical for engines producing elevated heat loads, such as big-displacement strokers or turbocharged engines. The precision-machined threads ensure leak-free sealing when paired with compatible hoses and clamps.

This fitting benefits engine builders, performance mechanics, and dedicated enthusiasts working on street machines, track vehicles, and competition builds. Its compact footprint allows for installation in tight engine bay configurations, making it suitable for both modern performance swaps and vintage restorations. Whether you're fabricating a race engine or performing a complete engine swap, this fitting provides the standardized connection your system demands.