Brake Line Fitting | 9/16-18 to 3/8-24 Adapter SKU: 3181

Brake Line Adapter Fitting | 9/16-18 to 3/8-24

Need to connect a large Ford brake fitting to a standard 3/8-24 brake line? This custom brass adapter makes it easy. Designed specifically to solve a problem commonly encountered on 1976-79 Ford Bronco brake systems, this fitting adapts a 9/16-18 male brake fitting to a 3/8-24 brake line connection without the need for custom lines or improvised solutions.

Before we developed this adapter, there simply wasn't an off-the-shelf solution for this conversion. Whether you're upgrading brake components, performing a restoration, or adapting aftermarket parts, this fitting provides a clean, reliable answer.

• 9/16-18 to 3/8-24 Adapter – Converts large Ford brake line fittings to standard 3/8-24 connections

• 97 Ford Bronco Applications – Commonly used when adapting factory brake components

• Solid Brass Construction – Corrosion-resistant and built for long-term reliability

• Simplifies Brake System Modifications – Eliminates the need for custom adapters or hard-to-find fittings

• Compact Design – Installs easily in tight spaces

• Made to Solve a Real Problem – Developed specifically for brake system conversions where no adapter previously existed

Common Uses

• 1976-79 Ford Bronco brake system upgrades

• Brake proportioning valve conversions

• Master cylinder swaps

• Disc brake conversions

• Adapting factory Ford brake fittings to aftermarket components

This simple brass fitting can save hours of frustration when adapting brake components that use different thread sizes. If you've ever found yourself needing to connect a 9/16-18 Ford brake fitting to a 3/8-24 brake line, this adapter was made for exactly that purpose.

Finally, a clean solution for adapting 9/16-18 Ford brake fittings to standard 3/8-24 brake lines—perfect for 76-79 Bronco brake upgrades, restorations, and custom builds.