TE Connectivity / AMP Brand part 1971777-3 is a black, high temperature PTL TPA (Passive Locking Backshell) designed for use with 1 x 3 connectors. This compact and durable component provides secure and reliable connection, ensuring the integrity of your electrical systems even in demanding and high-temperature environments. Upgrade your connector system with TE Connectivity / AMP Brand part 1971777-3 for enhanced performance, easy installation, and peace of mind.