3393943
Expansion Tank Bracket
Cummins®

Introduction

The Expansion Tank Bracket 3393943 is a component designed by Cummins to support the expansion tank within the cooling system of heavy-duty trucks. Its primary role is to securely hold the expansion tank in place, ensuring the efficient operation of the cooling system. This bracket is integral to maintaining the structural integrity and functionality of the expansion tank as it manages the fluctuations in coolant volume due to temperature variations ¹.

Purpose and Function

The Expansion Tank Bracket 3393943 plays a role in the cooling system by providing a stable mounting point for the expansion tank. As the engine operates, the coolant heats up and expands, necessitating a reservoir to accommodate the increased volume. Conversely, as the engine cools, the coolant contracts, and the expansion tank allows for this reduction in volume. The bracket ensures that the expansion tank remains firmly in position, preventing movement that could lead to leaks or inefficient coolant circulation ².

Key Features

The Expansion Tank Bracket 3393943 is engineered with specific design and material characteristics to ensure durability and reliability. It is constructed from high-strength materials to withstand the rigors of heavy-duty truck operations. The bracket features precise mounting points that align with the expansion tank and the truck’s chassis, ensuring a secure fit. Its design considers the structural integrity needed to support the expansion tank under various operating conditions. Additionally, it is compatible with a range of Cummins engines, ensuring versatility across different truck models ³.

Benefits

Utilizing the Expansion Tank Bracket 3393943 offers several advantages. It enhances the stability of the expansion tank, which contributes to the overall performance of the coolant system. A securely mounted expansion tank ensures consistent coolant levels and pressure, which is vital for engine efficiency and longevity. Furthermore, the robust design of the bracket may reduce the frequency of maintenance interventions, providing a more reliable cooling system over time ⁴.

Installation and Compatibility

Proper installation of the Expansion Tank Bracket 3393943 is crucial for its effective function. It should be mounted according to the manufacturer’s guidelines to ensure it is securely fastened and aligned correctly with the expansion tank and chassis. This bracket is designed to be compatible with various Cummins engine models, facilitating its use across a broad spectrum of heavy-duty truck applications. It is also engineered to work seamlessly with other components within the cooling system, ensuring a cohesive and efficient setup.

Maintenance and Troubleshooting

Regular maintenance of the Expansion Tank Bracket 3393943 is recommended to ensure its continued effectiveness. This includes periodic checks for signs of wear or damage, ensuring that all mounting points remain secure, and verifying that the expansion tank is properly seated. Common issues may include loose mounting points or corrosion, which can be addressed by tightening fasteners or applying a corrosion-resistant coating. If any malfunctions are detected, it is advisable to consult the manufacturer’s guidelines for troubleshooting steps or seek professional assistance.

Safety Considerations

When working with the Expansion Tank Bracket and the cooling system, it is important to observe several safety guidelines. Ensure that the engine is cool before beginning any maintenance or installation procedures to avoid burns from hot surfaces or coolant. Use appropriate personal protective equipment, such as gloves and safety glasses, to protect against potential hazards. Additionally, be mindful of the pressure within the cooling system, as releasing it improperly can cause scalding. Follow all safety instructions provided by Cummins to mitigate risks associated with working on the cooling system.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related technologies, with a strong reputation in the heavy-duty market. Founded in 1919, Cummins has a long history of innovation and quality in engine design and production. The company is known for its commitment to reliability, performance, and customer satisfaction, making it a preferred choice for heavy-duty truck applications. Cummins’ extensive product line and global presence underscore its leadership in the industry.

Cummins Expansion Tank Bracket 3393943 Compatibility

The Cummins Expansion Tank Bracket, part number 3393943, 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, preventing any unwanted movement that could lead to leaks or system failures.

For the 6C8.3 engine, the 3393943 bracket is specifically tailored to fit the unique design and layout of this engine model. Its precision engineering ensures that it aligns perfectly with the engine’s mounting points, providing a stable and reliable connection for the expansion tank. This is crucial for maintaining the correct pressure levels within the cooling system, which in turn helps to prevent overheating and ensures optimal engine performance.

In the context of other Cummins engines, the 3393943 bracket is also designed to be compatible with a range of engine models. Its versatile design allows it to be used across different engine types, provided they share similar mounting configurations and cooling system requirements. This makes it a valuable part for technicians and fleet managers who need to maintain a wide variety of Cummins engines.

The bracket’s robust construction ensures it can withstand the rigors of heavy-duty use, maintaining its integrity and functionality over time. This reliability is essential for the consistent performance of the engine’s cooling system, contributing to the overall longevity and efficiency of the engine.

Role of Expansion Tank Bracket in Engine Systems

The Expansion Tank Bracket, identified by part number 3393943, is a component in the integration and secure mounting of the expansion tank within various engine systems. This bracket facilitates the connection between the expansion tank and other key components, ensuring a stable and efficient operation of the cooling system.

Integration with Heat Exchanger

The Expansion Tank Bracket plays a role in aligning the expansion tank with the heat exchanger. Proper alignment ensures that the coolant can effectively transfer heat from the engine to the heat exchanger, maintaining optimal engine temperature. The bracket’s secure mounting prevents any movement that could disrupt this transfer, enhancing the overall efficiency of the cooling process.

Connection to Plumbing System

In the plumbing system, the Expansion Tank Bracket ensures that the expansion tank is correctly positioned to manage the fluctuations in coolant volume. As the engine operates, the coolant expands and contracts, and the expansion tank accommodates these changes. The bracket’s sturdy attachment points prevent leaks and maintain the integrity of the plumbing connections, contributing to a reliable cooling system.

Support for Keel Cooler

When integrated with a keel cooler, the Expansion Tank Bracket provides the necessary support to keep the expansion tank in place. The keel cooler relies on a consistent flow of coolant, and the bracket ensures that the expansion tank does not shift, which could otherwise impede the flow and reduce the cooling efficiency. This support is vital for maintaining the keel cooler’s performance and longevity.

Overall System Stability

By securely mounting the expansion tank, the Expansion Tank Bracket contributes to the stability of the entire engine cooling system. It ensures that all connected components, including the heat exchanger, plumbing, and keel cooler, operate in unison without interference from an improperly positioned expansion tank. This stability is key to the consistent and effective performance of the engine’s cooling system.

Conclusion

The Expansion Tank Bracket 3393943 by Cummins is a critical component in the cooling systems of heavy-duty trucks. Its design ensures the secure and stable mounting of the expansion tank, which is essential for the efficient operation of the cooling system. The bracket’s compatibility with various Cummins engines, robust construction, and ease of installation make it a reliable choice for maintaining engine performance and longevity.