This genuine BYD Yuan PLUS electrical system host assembly, part number SA2HK-7924200EY-F5, serves as the central control unit for your vehicle's core electrical functions. Designed specifically for the BYD Yuan PLUS model, this OE-grade component ensures seamless integration and reliable performance within your car's existing architecture. Replace a faulty or worn host assembly to restore proper management of your vehicle's electrical distribution, display, and system controls. Constructed to meet BYD's original manufacturing standards, this host assembly provides a direct fit replacement that maintains factory-level functionality. Sourced from Tianjin Huayong Automotive Technology Co., Ltd., this new unit helps eliminate electrical gremlins and system malfunctions. Restore your BYD Yuan PLUS to peak operational condition with this essential electrical system component.