4939574
Folded Hose
Cummins®

The Cummins 4939574 Folded Hose is a specialized component designed for use in commercial truck operations. This part plays a role in the fluid transfer systems of trucks, ensuring efficient and reliable performance. Understanding its purpose and functionality is key to maintaining the overall health and efficiency of commercial vehicles.

Basic Concepts of Folded Hoses

Folded hoses are a type of flexible tubing used in various automotive and industrial applications. They are characterized by their accordion-like structure, which allows for greater flexibility and the ability to absorb vibrations and movements. In automotive systems, folded hoses are commonly used to connect different components, facilitating the transfer of fluids such as coolant, fuel, or hydraulic fluid. Their design enables them to withstand the dynamic environments typical of vehicle operations, providing a durable and reliable connection between parts ¹.

Purpose of the Cummins 4939574 Folded Hose

This Cummins part serves a specific function within the truck’s system by connecting components in a manner that allows for fluid transfer while accommodating the movement and vibration inherent in truck operations. It is designed to maintain a secure and leak-free connection, ensuring that the fluid transfer system operates efficiently. This hose is integral to the truck’s cooling or hydraulic system, depending on its application, contributing to the overall performance and reliability of the vehicle ².

Key Features

The 4939574 Folded Hose is distinguished by several key features. Its design incorporates a folded structure that enhances flexibility and durability. The hose is constructed from high-quality materials that are resistant to wear, tear, and the effects of various fluids it may come into contact with. Additionally, it may feature reinforced ends to ensure a secure connection to fittings, and its material composition is chosen to withstand the temperature and pressure conditions typical of its application environment ³.

Benefits

The 4939574 Folded Hose offers several advantages that contribute to its effectiveness in commercial truck operations. Its durable construction and flexible design enhance the longevity of the hose, reducing the need for frequent replacements. The efficient transfer of fluids it facilitates contributes to the overall performance of the truck’s system, ensuring that components receive the necessary fluids under optimal conditions. Furthermore, its design helps in minimizing leaks and maintaining system integrity, which is crucial for the safe and efficient operation of commercial vehicles ⁴.

Installation Considerations

Proper installation of the 4939574 Folded Hose is crucial for its effective performance and longevity. It is important to follow manufacturer guidelines for installation, ensuring that the hose is correctly aligned and securely fastened to the appropriate fittings. Attention should be paid to avoiding over-tightening, which can damage the hose, and ensuring that all connections are leak-free. Additionally, the installation environment should be clean to prevent contaminants from entering the system, which could compromise the hose’s performance.

Troubleshooting Common Issues

Common issues with folded hoses can include leaks, blockages, or damage due to wear and tear. Identifying the source of these problems is the first step in troubleshooting. Leaks may be caused by improper installation, damage to the hose, or degradation of the material over time. Blockages can occur due to contaminants in the fluid or the accumulation of debris within the hose. Regular inspection and maintenance can help identify these issues early, allowing for timely repairs or replacements to maintain system efficiency.

Maintenance Tips

Maintaining the 4939574 Folded Hose involves regular inspection for signs of wear, damage, or leaks. It is advisable to check the hose during routine maintenance checks, looking for any changes in its condition that could indicate a problem. Cleaning the exterior of the hose and ensuring that connections remain tight and secure can also contribute to its longevity. Additionally, following the manufacturer’s recommendations for fluid types and system pressures can help prevent issues that may lead to hose failure.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established itself as a key player in the automotive and commercial truck industry, providing innovative solutions that enhance the performance, efficiency, and reliability of vehicles. Their commitment to quality and innovation is reflected in their wide range of products, including the 4939574 Folded Hose, which is designed to meet the demanding requirements of commercial truck operations.

Folded Hose 4939574 Compatibility with Cummins Engines

The Cummins Folded Hose part number 4939574 is designed to integrate seamlessly with several models of Cummins engines, ensuring optimal performance and durability. This hose is particularly suited for use in the ISB (Chrysler) series, including the ISB CM2150 and ISB6.7 CM2250 variants.

For the ISB (Chrysler) engines, the folded hose is engineered to fit precisely within the engine’s cooling system, providing a reliable connection between various components. Its design allows for flexibility and ease of installation, accommodating the unique layout and requirements of these engines.

In the ISB CM2150 and ISB6.7 CM2250 engines, the folded hose plays a role in maintaining the integrity of the engine’s cooling and exhaust systems. Its robust construction ensures it can withstand the high temperatures and pressures typical of these engines, contributing to overall engine efficiency and longevity.

The compatibility of the folded hose with these engines is a testament to Cummins’ commitment to providing high-quality, durable parts that meet the rigorous demands of modern engine applications.

Role of Part 4939574 Folded Hose in Engine Systems

The 4939574 Folded Hose is a component in the efficient operation of various engine systems. Its primary function is to facilitate the smooth transfer of gases and fluids within the engine, ensuring optimal performance and longevity of the engine components.

Integration with Breather Tube

In conjunction with the breather tube, the 4939574 Folded Hose plays a role in managing the ventilation of the engine’s crankcase. The breather tube allows for the release of pressure built up within the crankcase, which is essential for maintaining a stable environment for the engine’s moving parts. The folded hose connects to the breather tube, directing the expelled gases to a safe location, typically the intake manifold, where they can be re-burned. This not only enhances engine efficiency but also reduces emissions.

Connection to Crankcase Breather

The crankcase breather system is designed to expel contaminants and moisture that accumulate within the crankcase. The 4939574 Folded Hose is integral to this system as it provides a secure and flexible connection between the crankcase and the breather tube. This connection ensures that the gases are effectively vented without causing leaks or disruptions in the engine’s operation.

Role in Crankcase Breather Plumbing

In the broader context of crankcase breather plumbing, the 4939574 Folded Hose is a vital link. It allows for the necessary flexibility and durability required to withstand the dynamic conditions within the engine compartment. The hose’s design accommodates the various movements and vibrations that occur during engine operation, ensuring a reliable seal and consistent performance.

Application in Long Block and Long Block Kit

When dealing with a long block or a long block kit, the 4939574 Folded Hose is often included to ensure that the breather systems are properly configured from the outset. In a long block, which consists of the engine block, crankshaft, pistons, and other essential components, the folded hose is pre-installed to simplify the assembly process. For a long block kit, which may include additional components like gaskets and seals, the hose ensures that the breather system is ready for immediate use upon installation.

Conclusion

In summary, the 4939574 Folded Hose is a versatile and reliable component that enhances the functionality of breather tubes, crankcase breathers, and overall crankcase breather plumbing within engine systems. Its role in long block and long block kit applications underscores its importance in both new engine builds and maintenance procedures.