5345095
Expansion Tank
Cummins®

The Cummins 5345095 Expansion Tank is designed to maintain the efficiency and reliability of the cooling system in commercial trucks. It manages fluctuations in coolant volume and pressure due to thermal expansion and contraction, ensuring the cooling system operates within optimal parameters.

Basic Concepts of Expansion Tanks

An expansion tank is a vital component in any liquid cooling system, providing a reservoir for coolant as it expands when heated and contracts when cooled. This process is governed by the principles of thermal expansion and contraction, where liquids increase in volume when heated and decrease when cooled. The expansion tank accommodates these volume changes, preventing excessive pressure build-up in the cooling system, which could lead to leaks or component failure ¹.

Purpose of the 5345095 Expansion Tank

This part plays a role in the operation of a truck’s cooling system by managing coolant volume and pressure. As the engine operates and generates heat, the coolant absorbs this heat and circulates through the system. The expansion tank allows the coolant to expand into it as it heats up, preventing pressure from building up within the system. Conversely, as the engine cools down, the coolant contracts, and the expansion tank accommodates this change, ensuring a consistent coolant level and pressure ².

Key Features

The 5345095 Expansion Tank is constructed from durable materials that resist corrosion and withstand the high temperatures and pressures of a commercial truck’s cooling system. Its design includes a capacity that is sufficient to handle the volume changes of the coolant, ensuring efficient operation. Additionally, the tank features design elements such as reinforced seams and a secure mounting system to enhance its performance and durability under demanding conditions ³.

Benefits

This Cummins part offers several benefits to the cooling system. It provides improved coolant management by effectively handling the expansion and contraction of the coolant, which helps maintain optimal coolant levels and pressure. This, in turn, enhances engine protection by ensuring the cooling system operates efficiently, reducing the risk of overheating. Furthermore, the tank contributes to increased system efficiency by maintaining a stable environment for the coolant to perform its heat transfer function.

Installation Considerations

When installing the 5345095 Expansion Tank, it is important to consider compatibility with the specific truck model and cooling system configuration. Proper installation involves ensuring the tank is securely mounted, correctly connected to the cooling system, and that all connections are tight to prevent leaks. It is also advisable to consult the vehicle manufacturer’s guidelines for any specific installation requirements or recommendations.

Troubleshooting Common Issues

Common problems associated with expansion tanks include leaks, pressure issues, and contamination. Leaks may occur due to damaged seals or connections, pressure issues can arise from a malfunctioning cap or blockages in the system, and contamination might result from debris or rust within the coolant. Troubleshooting steps involve inspecting the tank and connections for signs of damage, checking the pressure cap for proper operation, and flushing the system to remove any contaminants.

Maintenance Tips

To ensure the longevity and optimal performance of the 5345095 Expansion Tank, regular maintenance practices are recommended. This includes periodic inspection of the tank and its connections for signs of wear or damage, ensuring the pressure cap is functioning correctly, and maintaining the coolant at the recommended level and condition. Cleaning procedures may involve flushing the system to remove any buildup or contaminants that could affect the tank’s performance.

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 serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company is committed to powering a more prosperous world by providing reliable and efficient power solutions across various industries, including commercial trucking.

Cummins Expansion Tank Part 5345095 Compatibility

The Cummins Expansion Tank part number 5345095 is a component in the cooling systems of various diesel engines. This part is designed to manage the thermal expansion of the coolant, ensuring that the engine operates within optimal temperature ranges.

QSB6.7 M CM2250 Engines

The QSB6.7 M CM2250 engines, known for their robust performance and reliability, integrate the Cummins Expansion Tank part 5345095 seamlessly. This part is essential in maintaining the coolant’s volume and pressure, preventing overheating and ensuring efficient engine operation.

Grouping of Engines

The Cummins Expansion Tank part 5345095 is compatible with a range of engines beyond the QSB6.7 M CM2250. It is designed to fit into various engine models that share similar cooling system requirements. This compatibility ensures that the part can be used across different engine types, providing a standardized solution for thermal management.

By ensuring the proper fitment of the expansion tank, engine performance and longevity are maintained, reducing the risk of coolant-related failures.

Conclusion

The 5345095 Expansion Tank is an integral component in the efficient operation of the heat exchanger system. This tank is designed to accommodate the expansion of coolant as it heats up, maintaining system pressure and preventing overflow. When the engine operates, the heat exchanger absorbs excess heat from the engine coolant, transferring it to the surrounding air. As the coolant temperature rises, it expands, increasing the pressure within the cooling system. The expansion tank provides a reservoir for this excess coolant, ensuring that the system pressure remains within safe limits. Conversely, as the engine cools down, the coolant contracts, creating a vacuum within the system. The expansion tank allows coolant to flow back into the system, maintaining the proper coolant level and preventing air from entering the system, which could lead to overheating. In summary, the 5345095 Expansion Tank plays a significant role in the heat exchanger system by managing coolant expansion and contraction, thereby contributing to the overall efficiency and reliability of the engine’s cooling process.