4003370
Expansion Tank Bracket
Cummins®

The Expansion Tank Bracket, identified by Part #4003370 and manufactured by Cummins, is a component integral to the cooling system of heavy-duty trucks. Cummins, a renowned name in the automotive and heavy-duty truck industry, designs this bracket to ensure the efficient operation and longevity of the cooling system. This overview delves into the specifics of the Expansion Tank Bracket, its role, features, and the benefits it offers to the cooling system of trucks.

Basic Concepts of Expansion Tank Brackets

An expansion tank bracket serves as a mounting point for the expansion tank within a vehicle’s cooling system. Its primary function is to securely hold the expansion tank in place, allowing the tank to manage the expansion and contraction of coolant as the engine temperature fluctuates. This process is vital for maintaining the integrity and efficiency of the cooling system, preventing coolant overflow or vacuum formation within the system ¹.

Purpose of the 4003370 Expansion Tank Bracket

The 4003370 Expansion Tank Bracket by Cummins plays a significant role in the operation of heavy-duty trucks. It supports the expansion tank, ensuring it remains firmly in place under various driving conditions. This bracket aids in the management of coolant expansion and contraction, which is crucial for maintaining optimal engine temperature and preventing damage to the cooling system components ².

Key Features

The 4003370 Expansion Tank Bracket is designed with several key features that enhance its durability and performance. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The design incorporates elements that facilitate easy installation and secure attachment to the truck’s frame. Additionally, the bracket may feature unique attributes such as reinforced mounting points or a design that accommodates various expansion tank sizes, differentiating it from other brackets on the market.

Benefits

The advantages of using the 4003370 Expansion Tank Bracket include improved reliability of the cooling system, ease of installation, and long-term durability. By securely holding the expansion tank in place, it contributes to the stable operation of the cooling system, reducing the risk of coolant leaks or system failure. Its design allows for straightforward installation, minimizing downtime for maintenance or repairs. Furthermore, the durable construction ensures that the bracket can withstand the rigors of heavy-duty truck operation, providing long-lasting performance ³.

Installation and Compatibility

Proper installation of the 4003370 Expansion Tank Bracket is crucial for ensuring it is correctly positioned and secured. Guidelines for installation should be followed to avoid common pitfalls that could lead to ineffective cooling system performance. While specific compatibility details are provided separately, it is important to verify that the bracket is suitable for the truck model and cooling system configuration to ensure optimal performance and integration.

Troubleshooting and Maintenance

Common issues with expansion tank brackets may include loosening over time, corrosion, or damage from road debris. Regular inspection and maintenance can help identify these problems early, allowing for timely repairs or replacements. Maintenance practices should include checking the bracket’s condition, ensuring it remains securely attached, and verifying that the expansion tank is properly seated and functioning as intended.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s commitment to quality and innovation is evident in its wide range of products, including the 4003370 Expansion Tank Bracket, designed to meet the demanding requirements of heavy-duty applications.

Cummins Expansion Tank Bracket 4003370 Compatibility

The Cummins Expansion Tank Bracket, part number 4003370, is designed to ensure the proper functioning of the engine’s cooling system. This bracket is engineered to securely hold the expansion tank in place, which is essential for maintaining the correct pressure and temperature within the engine’s coolant system.

In the context of Cummins engines, the 4003370 bracket is compatible with a range of engine models. Specifically, it fits seamlessly with the 6B5.9 engine, ensuring that the expansion tank is positioned optimally to facilitate efficient coolant flow and pressure management.

This compatibility extends to other Cummins engines within the same series, where the design and mounting requirements are consistent. The bracket’s robust construction and precise fit are key to its effectiveness, providing a reliable solution for maintaining the integrity of the engine’s cooling system across various applications.

Role of Part 4003370 Expansion Tank Bracket in Engine Systems

The Expansion Tank Bracket, identified by part number 4003370, is integral to the secure and efficient operation of various engine systems. This component is specifically designed to support the expansion tank, which is a vital part of the cooling system.

When the engine operates, it generates significant heat that must be managed to prevent overheating. The Heat Exchanger plays a key role in this process by transferring excess heat from the engine coolant to the surrounding air. As the coolant absorbs heat, it expands, necessitating a space for this expansion to occur without causing pressure build-up in the system.

The Expansion Tank provides this necessary space. It is connected to the cooling system and allows coolant to flow in and out as needed. The Expansion Tank Bracket ensures that the expansion tank is firmly mounted within the engine compartment. This secure mounting is essential for maintaining the integrity of the cooling system, ensuring that the expansion tank can effectively manage the fluctuations in coolant volume and pressure.

In summary, the Expansion Tank Bracket (part 4003370) facilitates the proper function of the expansion tank, which in turn supports the efficient operation of the Heat Exchanger and the overall cooling system. This interplay ensures that the engine remains within optimal operating temperatures, enhancing performance and longevity.

Conclusion

The 4003370 Expansion Tank Bracket by Cummins is a critical component in the cooling systems of heavy-duty trucks. Its design and features contribute to the efficient management of coolant expansion and contraction, ensuring optimal engine temperature and preventing system damage. The bracket’s durability, ease of installation, and compatibility with various Cummins engine models make it a reliable choice for maintaining the integrity of the cooling system. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.