This is a 3-pin sealed automotive sensor connector, designed for reliable electrical connection in harsh environments. The plug features a rectangular housing with an integrated weather-seal, ensuring protection against moisture, dirt, and engine-bay heat. The connector includes three aligned female terminals housed in a reinforced plastic body, with side-mounted alignment tabs to prevent incorrect installation. It is commonly used for sensors such as engine management sensors, gearbox sensors, or ABS components across multiple modern vehicles.