This is a used Hyundai Ioniq 5 High Voltage Junction Box, part number 91958-GI540, designed for vehicles manufactured in 2021 onwards. The junction box serves as a voltage regulator in the vehicle's electrical system, ensuring the proper distribution and control of high voltage power. This genuine Hyundai part is essential for maintaining the electrical functions and overall performance of the vehicle, particularly in managing the high voltage systems within the vehicle's architecture.