#3 Tube Sleeve Stainless Steel 2pk

The #3 Tube Sleeve Stainless Steel 2pk is a fundamental component for creating reliable, high-pressure fluid connections in specialized plumbing systems. Designed for use with 3/16-inch tubing, these sleeves are essential for automotive, marine, and industrial applications where leak-free performance is mandatory. Professionals and enthusiasts utilize these sleeves to ensure that hard lines remain secure under the stress of high-vibration environments. This package includes two sleeves, providing the necessary hardware for completing a standard connection set.

Manufactured from premium stainless steel, the #3 Tube Sleeve Stainless Steel 2pk provides exceptional resistance to corrosion and chemical degradation. These sleeves are precision-machined to meet strict -3 AN standards, ensuring compatibility with standard 37-degree flared tube fittings. The natural stainless finish maintains a professional appearance while offering the structural strength needed to withstand extreme internal pressures. By distributing the load of the tube nut across the flared surface, these sleeves prevent tube distortion and maintain a consistent seal.

The #3 Tube Sleeve Stainless Steel 2pk is ideal for building custom brake lines, clutch lines, or small-diameter fuel systems. These components are designed to work seamlessly with corresponding -3 AN tube nuts and 3/16-inch stainless or copper-nickel tubing. Proper installation requires a high-quality flaring tool to create the necessary 37-degree seat for the sleeve to rest against. Whether you are performing a restoration or building a race-spec vehicle, these sleeves offer the reliability required for safety-critical fluid transfer.