Cummins NT855 water pump is the core cooling system component for Cummins NT855 & NTA855 heavy-duty diesel engines. This heavy cast iron water pump assembly circulates coolant continuously to dissipate heat, stabilizes engine operating temperature and prevents catastrophic overheating damage under continuous heavy load.
Direct bolt-on replacement for OEM original pumps, widely used in bulldozers, heavy excavators, mining equipment, large generator sets and heavy-duty trucks.