The TE Connectivity / AMP Brand part 936054-1 is a cavity plug specifically designed for ECU (Engine Control Unit) assemblies with 40P and 81P configurations. This plug serves as an effective solution to seal and protect unused cavities within the ECU connector, ensuring optimal performance and reliability. It is manufactured with high-quality materials to withstand harsh environmental conditions and prevent the ingress of dust, dirt, and moisture. The 936054-1 cavity plug is easy to install and provides a secure and impenetrable seal, making it an essential component for automotive and industrial applications.