





The Cummins/Yuchai Alternator 5266389 / 3701-00531 is a high-quality electrical component designed to supply consistent power to the engine and vehicle systems. It is primarily used on Cummins 6ISDE engines and equivalent Yuchai engines, which are commonly installed in medium-duty buses and commercial vehicles.
Compatible Engines:
Cummins 6ISDE: 6.7L, 6-cylinder ISDE electronic diesel engine
Yuchai Engines: Medium-duty commercial vehicle engines (similar application to Cummins 6ISDE)
Vehicle Applications:
Yutong Bus: Medium and large city buses and coaches
Zhongtong Bus: City and intercity buses
Higer Bus: Buses and coaches for passenger transport
King Long: Medium and long-distance coaches
Foton: Trucks, vans, and select buses
Features & Benefits:
OEM-quality alternator ensures stable electrical performance
Designed for Cummins 6ISDE and Yuchai engine compatibility
Direct-fit replacement for a wide range of Chinese bus brands
Supports reliable operation of vehicle electrical systems, lights, and auxiliary equipment
Durable construction for long-term use in commercial and public transport vehicles
The 5266389 / 3701-00531 alternator is essential for maintaining reliable electrical power in Chinese buses powered by Cummins 6ISDE or Yuchai engines.