The Tesla Model 3/Y Busbar Fast Charge Contactor to Direct Current (DC) Busbar Negative 1084661-00-C is a genuine OEM high-voltage component designed for efficient power transfer and grounding within the vehicle’s fast-charging system. This negative busbar connects the fast charge contactor to the DC busbar, ensuring optimal electrical conductivity and minimal resistance during high-speed charging. Manufactured from high-conductivity materials, this component supports high-current loads while preventing excessive heat buildup, contributing to stable and efficient power distribution. Engineered to Tesla’s exact specifications, this busbar integrates seamlessly into the high-voltage electrical architecture of the Model 3 and Model Y, ensuring long-term durability and reliability.