4935793
Water Pump
Cummins®

The Cummins Part #4935793 Water Pump is a component designed for use in commercial trucks. Its purpose is to facilitate the circulation of coolant within the engine cooling system, ensuring that the engine operates within optimal temperature ranges. This part is significant in maintaining the efficiency and longevity of the truck’s engine by playing a role in temperature regulation ¹.

Basic Concepts of Water Pumps

Water pumps operate on the principle of fluid dynamics, where mechanical energy is converted into hydraulic energy to move coolant through the engine cooling system. The pump typically consists of an impeller driven by a belt connected to the engine. As the impeller rotates, it creates centrifugal force, which moves the coolant from the engine block through the radiator and back again. This continuous circulation helps dissipate heat generated by the engine, maintaining its operational efficiency ².

Purpose of the Cummins Part #4935793 Water Pump

The Cummins Part #4935793 Water Pump is integral to the engine cooling system of a truck. It circulates coolant through the engine and radiator, ensuring that heat is effectively managed. By maintaining consistent coolant flow, the pump helps prevent engine overheating, which can lead to reduced performance and potential damage. Its role is vital in ensuring the engine operates within its designed temperature parameters.

Key Features

The Cummins Part #4935793 Water Pump is characterized by its robust design and the use of high-quality materials. It features a durable housing that resists corrosion and wear, ensuring longevity. The pump’s impeller is precision-engineered to provide efficient coolant flow, and it incorporates seals that prevent leaks, enhancing its reliability. These features contribute to the pump’s performance and durability in demanding commercial truck applications.

Benefits

The use of the Cummins Part #4935793 Water Pump offers several advantages. It contributes to improved engine performance by ensuring consistent coolant circulation, which helps maintain optimal engine temperature. This results in enhanced reliability and efficiency of the engine cooling system. Additionally, the pump’s durable construction and efficient design support long-term operation without frequent replacements, offering value to fleet operators.

Installation and Compatibility

Proper installation of the Cummins Part #4935793 Water Pump is crucial for its effective operation. It should be installed according to the manufacturer’s guidelines to ensure it functions correctly within the engine cooling system. Compatibility with various truck models is an important consideration, ensuring that the pump fits and operates efficiently within the specific engine configuration.

Maintenance and Troubleshooting

Regular maintenance of the Cummins Part #4935793 Water Pump is recommended to ensure its continued efficient operation. This includes periodic inspections for signs of wear or damage, checking for leaks, and ensuring that the pump’s connections are secure. Common issues may include impeller wear or seal failure, which can be identified through routine checks. Troubleshooting tips involve verifying the pump’s operation and addressing any detected issues promptly to prevent engine overheating.

Performance and Efficiency

The Cummins Part #4935793 Water Pump contributes to the overall performance and efficiency of the truck’s engine cooling system by ensuring consistent coolant flow. This helps maintain engine temperature within optimal ranges, supporting efficient engine operation and longevity. The pump’s design and materials are selected to provide reliable performance under the demanding conditions typical of commercial truck use.

Safety Considerations

When working with the Cummins Part #4935793 Water Pump, it is important to follow safety guidelines. This includes ensuring the engine is cool before attempting any maintenance or replacement procedures to avoid burns from hot coolant. Additionally, proper tools and personal protective equipment should be used to prevent injury during installation or repair.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s commitment to excellence is reflected in its product line, including the Cummins Part #4935793 Water Pump, which is designed to meet the rigorous demands of commercial truck applications.

Water Pump 4935793 Compatibility with Cummins Engines

The Cummins Water Pump part number 4935793 is designed to fit a range of Cummins engines, ensuring efficient coolant circulation and engine temperature management. This water pump is compatible with several models within the Cummins engine family, providing a reliable solution for maintaining optimal engine performance.

Compatible Engines

• 4B3.9 ISB3.9 CM2220 B107
• ISB5.9 CM2880 B127
• QSB3.9 CM2880 B138
• QSB5.9 CM2880 B139

Grouping by Engine Series

ISB Series:

• ISB3.9 CM2220 B107
• ISB5.9 CM2880 B127

The ISB series engines are known for their robust performance and reliability, commonly used in a variety of applications from construction equipment to agricultural machinery. The 4935793 water pump ensures these engines maintain proper coolant flow, preventing overheating and ensuring longevity.

QSB Series:

• QSB3.9 CM2880 B138
• QSB5.9 CM2880 B139

The QSB series engines are designed for heavy-duty applications, providing high torque and durability. The 4935793 water pump is engineered to handle the demanding conditions these engines operate under, ensuring consistent and reliable coolant circulation.

By fitting these engines, the 4935793 water pump offers a standardized solution for maintaining engine health across different models, ensuring that operators can rely on consistent performance and minimal downtime.

Role of Part 4935793 Water Pump in Engine Systems

In the orchestration of an engine’s operation, the part 4935793 Water Pump assumes a significant role by ensuring the engine maintains optimal operating temperatures. This is achieved through the circulation of coolant throughout the engine system.

The water pump is responsible for the continuous flow of coolant from the engine block, where it absorbs heat, to the radiator. Here, the coolant releases the absorbed heat into the atmosphere, cooling down before returning to the engine block to repeat the cycle. This process is vital for dissipating the heat generated by the combustion process within the engine cylinders.

Moreover, the water pump facilitates the movement of coolant through the heater core, which is essential for the vehicle’s heating system. As the coolant flows through the heater core, it transfers heat to the cabin, ensuring a comfortable driving environment in colder conditions.

Additionally, the pump’s operation is synchronized with the engine’s rotation via a belt or chain connected to the crankshaft. This mechanical link ensures that the water pump operates at a speed proportional to the engine’s RPM, optimizing coolant flow and heat management across varying engine loads and speeds.

Conclusion

In summary, the part 4935793 Water Pump is integral to the engine’s cooling system, playing a key role in temperature regulation, heat dissipation, and contributing to the overall efficiency and longevity of the engine. Its robust design, compatibility with various Cummins engines, and the importance of proper maintenance and safety considerations make it a critical component in the operation of commercial trucks.