5347641
Expansion Tank
Cummins®

Introduction

The Cummins 5347641 Expansion Tank is a component designed for the cooling systems of commercial trucks. Its purpose is to manage the changes in coolant volume that occur due to temperature fluctuations, ensuring the cooling system operates efficiently and reliably.

Basic Concepts of Expansion Tanks

An expansion tank is a part of the cooling system that accommodates the thermal expansion and contraction of coolant. As the engine operates, the coolant heats up and expands, increasing in volume. Conversely, as the engine cools, the coolant contracts. The expansion tank provides a space for the coolant to expand into when hot and contract from when cool, maintaining system pressure and preventing leaks or damage ¹.

Purpose of the Cummins 5347641 Expansion Tank

The Cummins 5347641 Expansion Tank plays a role in maintaining the efficiency of the cooling system by regulating pressure and managing coolant volume. It ensures that the system can handle the dynamic changes in coolant volume without compromising performance or causing damage to other components.

Key Features

The Cummins 5347641 Expansion Tank is constructed with materials that offer durability and resistance to corrosion, ensuring long-term reliability. Its design includes a specific capacity to accommodate the coolant volume changes effectively. Unique attributes may include advanced sealing technologies to prevent leaks and a robust construction to withstand the pressures and temperatures within the cooling system.

Benefits of Using the Cummins 5347641 Expansion Tank

Utilizing the Cummins 5347641 Expansion Tank offers several advantages. It contributes to improved system reliability by ensuring stable pressure levels and efficient coolant management. This can lead to enhanced engine performance and potentially increase the engine’s lifespan by maintaining optimal cooling conditions ¹.

Installation Considerations

When installing the Cummins 5347641 Expansion Tank, it is important to follow guidelines and best practices to ensure compatibility with various truck models and seamless integration within existing cooling systems. Proper installation is key to achieving the intended benefits and ensuring the cooling system operates as designed.

Maintenance and Troubleshooting

Regular maintenance routines for the Cummins 5347641 Expansion Tank include checking for signs of wear or failure, such as leaks or pressure inconsistencies. Troubleshooting steps for common issues may involve inspecting seals and connections, ensuring the tank is properly vented, and verifying that the coolant level is within the recommended range.

Common Issues and Solutions

Frequent problems associated with expansion tanks, such as leaks or pressure inconsistencies, can often be addressed through routine maintenance and timely repairs. Preventive measures include regular inspections and replacing worn components to maintain the integrity of the cooling system ¹.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range, Cummins has built a reputation for delivering reliable and high-performance components, including cooling system parts like the 5347641 Expansion Tank.

Cummins Expansion Tank Part 5347641 Compatibility

The Cummins Expansion Tank part number 5347641 is a critical component in the cooling system of various Cummins engines. This part is designed to manage the pressure and temperature variations within the engine’s cooling system, ensuring optimal performance and longevity of the engine.

QSB5.9 CM850

The QSB5.9 CM850 engine is a robust and reliable power unit, often utilized in heavy-duty applications. The expansion tank part 5347641 is specifically engineered to fit seamlessly within the cooling system of the QSB5.9 CM850 engine. Its primary function is to absorb the thermal expansion of the coolant, preventing pressure build-up that could otherwise lead to system failures or overheating.

This part ensures that the engine operates within its optimal temperature range, contributing to the overall efficiency and durability of the QSB5.9 CM850 engine. The integration of the expansion tank is straightforward, designed to fit into the existing cooling system architecture without requiring significant modifications.

By maintaining the integrity of the cooling system, the expansion tank part 5347641 plays a vital role in the performance and reliability of the QSB5.9 CM850 engine.

Role of Part 5347641 Expansion Tank in Engine Systems

The part 5347641 Expansion Tank is an integral component in the cooling system of engine setups, working in conjunction with the heat exchanger to maintain optimal engine temperature.

When the engine operates, it generates a significant amount of heat. The heat exchanger, typically a radiator, is designed to dissipate this heat by transferring it from the engine coolant to the ambient air. As the coolant circulates through the engine and the heat exchanger, it absorbs heat and expands. This expansion increases the pressure within the cooling system.

The Expansion Tank, part 5347641, accommodates this increase in volume and pressure. It provides a reservoir for the excess coolant, preventing overflow and maintaining system pressure. As the engine cools down, the coolant contracts, and the Expansion Tank allows coolant to flow back into the system, ensuring a consistent coolant level.

In summary, the Expansion Tank plays a significant role in the efficient operation of the cooling system by managing the changes in coolant volume and pressure, thereby supporting the heat exchanger in its function to keep the engine within its optimal operating temperature range ².

Conclusion

The Cummins 5347641 Expansion Tank is a vital component in the cooling systems of commercial trucks, designed to manage coolant volume changes due to temperature fluctuations. Its role in regulating pressure and maintaining system efficiency contributes to enhanced engine performance and longevity. Proper installation, regular maintenance, and understanding its compatibility with specific engine models like the QSB5.9 CM850 are essential for optimal operation.