AN to NPT Straight #4 x 3/8

The AN to NPT Straight #4 x 3/8 adapter by Triple X Race Components is a precision fitting designed for high-performance engine systems, fuel injection setups, and custom automotive builds. This adapter connects AN (Army-Navy) male threads to NPT (National Pipe Thread) male connections, making it essential for technicians and enthusiasts integrating components with different threading standards.

Manufactured from aluminum and finished with a black anodized coating, this fitting offers lightweight construction, corrosion resistance, and durability. The #4 AN size corresponds to a 1/4-inch diameter, while the 3/8-inch NPT male configuration allows for seamless thread adaptation without the need for multiple fittings or reducers. The straight design eliminates flow restrictions and simplifies installation in tight spaces.

Racers, fabricators, and professional technicians rely on Triple X Race Components fittings for consistency and performance. This adapter is sold individually and is ideal for custom fuel rails, intercooler lines, and transmission cooler circuits where compact routing is critical. It ensures leak-free, reliable connections in demanding applications.