3009406
Expansion Tank Tube
Cummins®

The Cummins 3009406 Expansion Tank Tube is a component designed for use in the cooling systems of heavy-duty trucks. Manufactured by Cummins, a well-established name in the diesel engine industry, this part serves a specific function within the cooling system to ensure the engine operates within optimal temperature ranges ³.

Basic Concepts of Expansion Tank Tubes

An expansion tank tube is a part of the cooling system that allows for the expansion and contraction of coolant as it heats up and cools down. This component helps manage the pressure within the cooling system, preventing coolant overflow when the engine is hot and ensuring there is sufficient coolant circulation when the engine cools. By accommodating changes in coolant volume, the expansion tank tube maintains system integrity and efficiency ¹.

Role of the 3009406 Expansion Tank Tube in Truck Operation

The 3009406 Expansion Tank Tube plays a role in maintaining optimal engine temperature by allowing coolant to expand into the tank when heated, thus preventing pressure build-up within the cooling system. This function is vital for ensuring efficient engine performance and preventing overheating, which can lead to engine damage. By regulating coolant levels and pressure, the expansion tank tube contributes to the overall reliability and durability of the truck’s engine ³.

Key Features

The 3009406 Expansion Tank Tube is designed with specific features to enhance its functionality and durability. Its construction materials are chosen for their resistance to corrosion and high temperatures, ensuring long-lasting performance. The design of the tube allows for efficient coolant flow and pressure management, contributing to the stability of the cooling system. Additionally, the tube is engineered to fit seamlessly within the truck’s cooling system, ensuring compatibility and ease of installation ².

Benefits of Using the 3009406 Expansion Tank Tube

Using the 3009406 Expansion Tank Tube offers several benefits. It contributes to improved engine longevity by helping maintain optimal operating temperatures. The efficient management of coolant expansion and contraction enhances cooling system efficiency, leading to better overall engine performance. Furthermore, the tube’s reliable performance under various operating conditions ensures that the cooling system remains effective, regardless of the truck’s workload or environmental conditions ³.

Installation and Compatibility

Proper installation of the 3009406 Expansion Tank Tube is important for ensuring its effectiveness within the truck’s cooling system. It is designed to fit specific models, and following the manufacturer’s guidelines for installation is recommended to ensure a secure and effective fit. Attention to detail during installation, such as ensuring all connections are tight and the system is free of air pockets, is important for the component’s performance ².

Maintenance and Troubleshooting

Regular maintenance of the 3009406 Expansion Tank Tube is important for ensuring its longevity and efficiency. This includes checking for leaks, ensuring the cap is secure, and monitoring coolant levels. Troubleshooting common issues, such as coolant leaks or pressure problems, often involves inspecting the tube and its connections for signs of wear or damage. Addressing these issues promptly can prevent more significant problems within the cooling system ¹.

Cummins: A Brief Overview

Cummins Inc. is a leader in the diesel engine manufacturing industry, with a history of innovation and quality. The company’s expertise in engine technology extends to the production of high-quality components like the 3009406 Expansion Tank Tube. Cummins’ commitment to providing reliable and durable parts for the automotive industry underscores its reputation as a trusted manufacturer in the field ³.

Cummins Expansion Tank Tube Part 3009406

The Cummins Expansion Tank Tube part number 3009406 is a component designed to fit seamlessly within the cooling systems of various Cummins engines. This part is engineered to manage the thermal expansion of coolant, ensuring that the engine operates within optimal temperature ranges and preventing potential overheating issues ³.

V28 Engines

For V28 engines, the Expansion Tank Tube part 3009406 is meticulously crafted to integrate with the engine’s cooling architecture. Its design allows it to handle the thermal stresses and fluctuations inherent in these powerful engines, providing a reliable conduit for coolant expansion and contraction. This ensures that the cooling system remains efficient and effective, contributing to the overall longevity and performance of the engine ³.

The tube’s material and construction are specifically chosen to withstand the high pressures and temperatures associated with V28 engines, ensuring durability and consistent performance over time. Its precise fit and function are crucial for maintaining the integrity of the cooling system, preventing leaks, and avoiding damage to other engine components ².

By integrating seamlessly with the V28 engines, the Expansion Tank Tube part 3009406 plays a pivotal role in the engine’s cooling system, ensuring that the engine operates smoothly and efficiently ³.

Role of Part 3009406 Expansion Tank Tube in Engine Systems

The Expansion Tank Tube, identified by part number 3009406, is an integral component in the cooling system of various engine setups. It facilitates the connection between the expansion tank and the heat exchanger, ensuring efficient operation and maintenance of optimal engine temperature ³.

Integration with the Heat Exchanger

The Expansion Tank Tube serves as a conduit that links the expansion tank to the heat exchanger. This connection is vital for the circulation of coolant, which absorbs excess heat from the engine. As the coolant travels through the heat exchanger, it releases heat into the surrounding environment, thereby cooling down before re-entering the engine. The tube ensures a secure and leak-free pathway for this continuous circulation ¹.

Function within the Cooling System

In the cooling system, the Expansion Tank Tube plays a significant role in managing the pressure and volume of the coolant. As the engine operates, the coolant expands due to heat absorption. The tube allows this expanded coolant to flow into the expansion tank, preventing excessive pressure build-up within the system. Conversely, when the engine cools down, the tube enables the coolant to return from the expansion tank back into the system, maintaining the appropriate coolant level ³.

Interaction with the Expansion Tank

The expansion tank is designed to accommodate the varying volume of coolant as it heats up and cools down. The Expansion Tank Tube is essential in this process, as it provides a direct route for the coolant to travel between the engine’s cooling passages and the expansion tank. This interaction helps in stabilizing the system pressure and ensuring that the coolant remains within safe operational limits ¹.

Ensuring System Integrity

By providing a reliable connection between the expansion tank and the heat exchanger, the Expansion Tank Tube contributes to the overall integrity of the cooling system. It helps in preventing leaks and ensuring that the coolant circulates efficiently. This, in turn, supports the engine’s performance and longevity by maintaining consistent and effective cooling ².

Conclusion

In summary, the Expansion Tank Tube (part 3009406) is a key component that enhances the functionality and reliability of the engine’s cooling system through its strategic placement and role in coolant management. Its design and features ensure efficient coolant flow, pressure management, and system integrity, contributing to the overall performance and longevity of the engine ³.