General Information
Compatibility: Specifically designed to fit Cummins B3.3 and QSB3.3 engines. These engines are widely used in various applications such as industrial equipment, generators, and light - to - medium - duty vehicles.
Part Numbers: 3800883 and 4981207. These part numbers are used for identification and ordering purposes to ensure the correct replacement part is used.
2. Construction and Design
Casing Material: The water pump casing is typically made of a durable metal alloy. It could be a high - quality cast iron or an aluminum - alloy. Cast iron provides excellent strength and resistance to wear and corrosion, making it suitable for heavy - duty applications. Aluminum - alloy, on the other hand, offers a lighter weight option and good heat - dissipation properties.
Impeller Design: The impeller inside the water pump is a critical component. It is usually made of a corrosion - resistant material like brass or a high - density plastic composite. The impeller's design, including the number and shape of the blades, is optimized to ensure efficient coolant circulation. The blades are carefully shaped to move the coolant with minimum energy loss and maximum flow rate.
3. Performance Specifications
Flow Rate: The water pump is engineered to have a specific flow rate to meet the cooling requirements of the Cummins B3.3/QSB3.3 engine. The flow rate might range from 40 - 90 liters per minute (L/min), depending on the engine's cooling demands and operating conditions. This flow rate ensures that an adequate amount of coolant is circulated through the engine block, radiator, and other cooling components to dissipate heat effectively.
Pressure Capacity: It can generate a pressure typically in the range of 1 - 3 bar (14.5 - 43.5 psi). This pressure is essential to push the coolant through the engine's cooling passages, hoses, and the radiator, ensuring that the coolant reaches all the critical areas that need to be cooled.
