#3 Flare/#3 Flare Steel Union

The #3 Flare/#3 Flare Steel Union from A-1 Products is a precision hydraulic or pneumatic fitting designed for various applications, including fuel, coolant, brake, and transmission lines. This steel union connector is ideal for mechanics and fabricators who require reliable, leak-free connections where multiple fluid lines converge.

The #3 flare designation refers to a specific tube diameter and connection standard, specifically for 3/16-inch tubing with a 45-degree flare seat geometry. This design creates a metal-to-metal seal when torqued properly, ensuring durability under high-pressure cycles and exposure to aggressive fluids. The steel construction enhances its longevity and performance in various automotive applications.

This fitting is particularly beneficial for those working on custom plumbing projects, as it allows for inline connections without requiring special block-mount or manifold ports. It is a practical choice for anyone looking to assemble or upgrade fluid systems, making it suitable for a wide range of automotive and mechanical applications.