Shiyan Mingqi Industry and Trade Co., Ltd
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Dongfeng Tianlong Flagship: Cummins ISZ13L Engine (480/520/560 HP) Water Pump Core — Part No. C5580051
The Dongfeng Tianlong Flagship series is equipped with the high-performance Cummins ISZ13L heavy-duty diesel engine, available in three powerful output configurations—480 horsepower, 520 horsepower, and 560 horsepower—each engineered to deliver exceptional torque, fuel efficiency, and long-haul reliability under demanding operational conditions. At the heart of its cooling system lies the precision-engineered water pump core, a critical component responsible for maintaining optimal thermal management across all engine load ranges and ambient temperatures. This genuine OEM replacement part ensures seamless integration, exact dimensional conformity, and consistent material quality as specified by Cummins and Dongfeng. Its official part number is C5580051, and it is specifically designed and validated for use exclusively in the Dongfeng Tianlong Flagship models powered by the ISZ13L engine platform—guaranteeing durability, leak-free operation, and extended service life when installed and 






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Contact: Han Tao
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