The 24V 120A auto alternator for YUTONG models ZK6899HA and 6938HB9 (part numbers AVI147E3001, 5294335) is a high-performance vehicle component designed to deliver reliable electrical power. Engineered for heavy-duty applications, it converts mechanical energy from the engine into stable 24V DC output, ensuring that batteries remain charged and all onboard electrical systems—such as lighting, infotainment, and engine management—function efficiently. Built with durable bearings, a robust rotor-stator assembly, and a precision voltage regulator, this alternator withstands vibration, high temperatures, and extended operation. Its high output capacity of 120A meets the demands of large engines and extensive electrical loads, making it ideal for commercial buses, coaches, and specialized vehicles. Easy to install and maintain, it ensures consistent performance, reduces downtime, and enhances overall vehicle reliability.