Trans Brake Replacement Solenoid

The Coan Racing COA‑12040 Trans‑Brake Replacement Solenoid is a direct OEM-style spare designed specifically for Powerglide transmission trans‑brake systems. Built to Coan’s high-performance standards, this solenoid replicates the fit and function of original equipment, delivering reliable hydraulic control for launch and trans‑brake engagement. Each unit includes a critical O-ring to ensure leak-free operation under high-pressure conditions and is constructed with durable materials to resist wear and withstand race‑grade use.

This genuine Coan part is ideal for replacing worn or failed trans‑brake coils, enabling consistent, repeatable engagement in both street and competitive drag applications. Whether servicing a manual valve body or upgrading a full trans‑brake setup, the COA‑12040 offers a dependable and readily available solution for maintaining peak launch performance.