Doing an LS engine swap into a project car? This OEM mounting bracket is exactly what you need to securely mount your PCM (powertrain control module) or ECM (engine control module). It's the genuine GM part number 15995679, so it fits perfectly with Gen III LS1, LSX, and similar engines during swaps into older vehicles or custom builds. The bracket is sturdy metal, designed to hold the computer securely and protect it from vibration and heat. It mounts at the front of the engine bay, keeping wiring tidy and accessible. If you're converting a classic car, truck, or kit car to LS power, having the right bracket makes the installation cleaner and more professional. It's brand new in its packaging, direct from GM. Don't rig something up with zip ties—this bracket gives you a factory-like finish and ensures your ECU stays put. A small but crucial part for any serious LS swap project. Make your engine conversion look and function like it came that way.