4938991
Tube Support Collar
Cummins®

The Tube Support Collar 4938991, manufactured by Cummins, is a component designed to play a role in the operation of commercial trucks. Cummins, a well-established manufacturer in the automotive industry, produces this part to ensure the efficient and reliable performance of truck systems. This overview provides insights into the function and importance of the Tube Support Collar 4938991 within the context of commercial truck operations.

Basic Concepts of Tube Support Collars

A Tube Support Collar is a component that secures and supports tubes within a truck’s system. Its general function is to maintain the structural integrity of the tubes, ensuring they remain in place and operate efficiently. These collars are vital for preventing tube displacement, which could lead to system inefficiencies or failures. By securing the tubes, support collars contribute to the overall stability and performance of the truck’s system ¹.

Purpose of the 4938991 Tube Support Collar

The 4938991 Tube Support Collar is specifically designed to support and secure tubes within a truck’s system. It plays a role in maintaining the correct positioning of tubes, which is important for the efficient operation of the truck. By providing a secure attachment point, this collar helps in reducing the risk of tube movement or disconnection, which could otherwise affect the system’s performance ².

Key Features

The 4938991 Tube Support Collar features a durable material composition, designed to withstand the rigors of commercial truck operations. Its design includes elements that enhance its functionality, such as a precise fit for the tubes it supports. Additionally, the collar may incorporate unique characteristics that improve its performance, such as corrosion resistance or ease of installation ³.

Benefits

Using the 4938991 Tube Support Collar offers several benefits. Its durable construction contributes to improved longevity and reliability under various operating conditions. The secure fit it provides enhances the overall performance of the truck’s system, ensuring tubes remain in place and operate efficiently. This reliability is particularly important in commercial truck applications, where consistent performance is required ⁴.

Installation Process

Installing the 4938991 Tube Support Collar involves a series of steps to ensure a proper fit and secure attachment. The process may require specific tools and additional components, depending on the truck’s system. It is important to follow the manufacturer’s guidelines for installation to ensure the collar is correctly positioned and securely attached, which is important for the system’s efficiency and safety ⁵.

Troubleshooting and Maintenance

Common issues with the 4938991 Tube Support Collar may include wear or damage over time. Troubleshooting steps can involve inspecting the collar for signs of damage or wear and ensuring it is securely attached. Regular maintenance, such as checking for proper fit and condition, can help prolong the lifespan of the collar and ensure optimal performance. It is also important to follow the manufacturer’s recommendations for maintenance to prevent issues ⁶.

Compatibility and Application

The 4938991 Tube Support Collar is designed for use in specific types of trucks and systems. Its application varies across different commercial truck models and configurations, making it a versatile component for truck maintenance and repair. Understanding the compatibility of this collar with specific truck models is important for ensuring it functions correctly within the system ⁷.

Safety Considerations

When installing or maintaining the 4938991 Tube Support Collar, it is important to consider safety. This includes following guidelines for safe handling and operation to prevent accidents or injuries. Ensuring the collar is correctly installed and maintained is not only important for the system’s performance but also for the safety of those working on or operating the truck ⁸.

Cummins Overview

Cummins Inc. is a manufacturer with a reputation for producing high-quality automotive components. Their history and expertise in the industry highlight their commitment to innovation and customer satisfaction. Cummins’ products, including the 4938991 Tube Support Collar, are designed with a focus on reliability, performance, and durability, reflecting their dedication to meeting the needs of commercial truck operators ⁹.

Tube Support Collar 4938991 in Cummins Engines

The Tube Support Collar 4938991 is a critical component in the Cummins QSB5.9 CM850, QSB6.7 M CM2250, and QSC8.3 CM850 (CM2850) engines. This part is designed to provide structural support and stability to the engine’s exhaust system.

In the QSB5.9 CM850 and QSB6.7 M CM2250 engines, the Tube Support Collar 4938991 is integral to maintaining the alignment and integrity of the exhaust tubing. It ensures that the exhaust components remain securely in place, reducing the risk of wear and tear on the system. This is particularly important in these engines, which are known for their robust performance and durability.

For the QSC8.3 CM850 (CM2850) engine, the Tube Support Collar 4938991 plays a similar role. Given the larger size and power output of this engine, the support collar is crucial in managing the additional stress and vibrations that come with higher performance. It helps to maintain the structural integrity of the exhaust system, ensuring that the engine operates efficiently and reliably.

Across these engines, the Tube Support Collar 4938991 is a key component that supports the overall functionality and longevity of the exhaust system. Its design and placement are critical to ensuring that the exhaust components remain stable and secure, contributing to the overall performance and reliability of the engine ¹⁰.

Role of Part 4938991 Tube Support Collar in Engine Systems

The Tube Support Collar, identified by part number 4938991, is an essential component in the assembly and maintenance of various engine systems. It is specifically designed to provide structural integrity and support to the tubing systems within these engines.

Connection Stability

In engine systems, secure connections are paramount for efficient operation and longevity. The Tube Support Collar plays a significant role in maintaining the stability of connections between different components. By enveloping the tubing at critical junctures, it prevents undue stress and potential wear on the connections, ensuring that the system operates smoothly without the risk of disconnection or leakage ¹¹.

Exhaust Outlet Support

At the exhaust outlet, where the engine expels gases, the Tube Support Collar provides necessary reinforcement. This area is subject to high temperatures and pressures, making it a point of potential weakness without proper support. The collar helps to maintain the alignment and integrity of the exhaust tubing, reducing the likelihood of cracks or failures that could lead to exhaust leaks or reduced engine performance ¹².

Integration with Exhaust Riser Kit

When utilized in conjunction with an exhaust riser kit, the Tube Support Collar enhances the overall design by providing additional support to the riser components. The riser kit often includes complex tubing configurations that require precise alignment and support to function correctly. The collar ensures that these components remain in the correct position, facilitating efficient exhaust flow and contributing to the overall effectiveness of the riser kit in managing exhaust gases ¹³.

Conclusion

The Tube Support Collar 4938991 is a vital component in the maintenance and operation of commercial truck systems, particularly in Cummins engines. Its role in providing structural support and stability to the exhaust system is critical for ensuring efficient and reliable engine performance. Understanding its features, benefits, and proper installation and maintenance procedures is essential for maximizing its effectiveness and longevity in truck operations.