The 2017-2019 Nissan Blind Spot Radar Sensor Assembly Obstacle Warning 284K1 9HUOA is a genuine part manufactured by Nissan in the United States. This sensor is designed to detect obstacles and provide a warning for drivers in the blind spot area. It comes in black color and is specifically designed for the left side of the vehicle. The sensor is a crucial component for advanced driver assistance systems and parking assistance in Nissan vehicles, offering enhanced safety and convenience for drivers.