#3 90 Deg Union Fitting Black

The #3 90 Deg Union Fitting Black is a precision hydraulic and pneumatic adapter engineered for high-pressure fluid systems where space is critical and directional changes are necessary. This 90-degree union fitting serves technicians, mechanics, and engineers who need reliable connections in motorsports, aerospace, industrial automation, and custom fuel or coolant line applications. The black anodized aluminum construction provides both corrosion resistance and a professional appearance, making it ideal for visible underhood or system installations where durability and aesthetics matter equally.

Constructed from lightweight aluminum with black anodized finish, the #3 90 Deg Union Fitting Black features male AN3 ports on both ends, allowing seamless integration into standardized AN plumbing systems. The 90-degree angle design eliminates the need for multiple elbows or bends, reducing overall assembly length and potential leak points. Anodizing provides a hardened oxide layer that resists oxidation, abrasion, and chemical degradation—critical in automotive and aerospace environments where hose pressure cycles and temperature fluctuations demand long-term reliability. The compact footprint (2.9 x 0.4 x 3.15 inches) enables installation in confined spaces without compromising structural integrity.

This fitting is ideal for custom fuel system builders, hydraulic repair shops, and anyone standardizing on AN3 connections for brake lines, fuel feed lines, coolant circulation, or pressure test systems. Installation requires only a wrench or fitting tool at both male threads—no special tools or crimping equipment necessary. The black anodized finish resists fingerprints and maintains appearance in both show-quality builds and industrial service environments, making it a versatile choice for OEM restorations, race car fabrication, and permanent system upgrades where code compliance and pressure ratings demand precision fittings.