-4an 90 Degree Fitting - Blue

The AutoMeter 90 Degree Fitting in blue anodized aluminum is a precision adapter designed to connect 1/8 inch NPT female ports to 4 AN male connections. This 90-degree fitting is engineered specifically for mechanical pressure and vacuum gauge installations, where reliable fluid coupling and directional flexibility are essential to proper instrument function and system integrity.

The aluminum construction provides a lightweight yet rigid connection point, while blue anodizing offers corrosion resistance in environments where moisture and temperature cycling are concerns. The 90-degree angle eliminates the need for additional tubing bends, reducing potential leak points and simplifying installation on gauge clusters where space is constrained. The precise NPT-to-AN conversion handles the transition between National Pipe Taper threads and AN flange standards without compromise, critical for maintaining pressure integrity in mechanical systems relying on accurate gauge readings.

This fitting is ideal for automotive enthusiasts, restoration specialists, and technicians assembling or repairing mechanical gauges in performance engine bays, vintage vehicles, or custom hydraulic systems. It serves as an essential component when routing gauge lines through tight engine compartment layouts or when the original gauge mounting requires repositioning. The individual unit format allows builders to source exactly what they need for single-gauge installations or complete gauge cluster builds.

AutoMeter's reputation for precision gauge instrumentation extends to their adapter fittings, which must maintain accuracy-critical connections. The blue anodizing distinguishes this fitting visually while serving a functional purpose, allowing builders to color-code systems or match factory-style gauge installations with period-correct aesthetics.