3974113
Flexible Hose
Cummins®

The Cummins 3974113 Flexible Hose is a component designed for use in heavy-duty truck systems. It facilitates the transfer of fluids or gases between various parts of the truck’s system, ensuring efficient operation and reliability.

Basic Concepts of Flexible Hoses

Flexible hoses are used in automotive systems to transfer fluids or gases between components that may move relative to each other. Unlike rigid pipes, flexible hoses can accommodate movement and vibration, reducing the risk of damage or disconnection. They are commonly employed in fuel, coolant, and brake systems, among others ¹.

Purpose of the 3974113 Flexible Hose

The Cummins 3974113 Flexible Hose is specifically designed to connect certain systems within a truck, allowing for the transfer of fluids or gases. It plays a role in maintaining the integrity and efficiency of these systems by providing a flexible connection that can withstand the dynamic conditions present in heavy-duty truck operations.

Key Features

This Cummins part is constructed from materials that offer a balance of flexibility and durability. Its design includes features that enhance its performance, such as reinforced ends for secure connections and a smooth inner lining to ensure efficient fluid or gas flow. These characteristics contribute to its reliability and longevity in demanding applications.

Benefits

Using the Cummins 3974113 Flexible Hose offers several advantages. It contributes to improved system reliability by providing a flexible connection that can adapt to the movement and vibration inherent in heavy-duty trucks. Additionally, its design reduces the risk of leaks compared to rigid hoses, and its durability ensures long-term performance.

Installation Considerations

Proper installation of the 3974113 Flexible Hose is important to ensure a secure and efficient fit. This may involve using specific tools or techniques to achieve the correct tension and alignment. Following manufacturer guidelines for installation can help prevent common issues and ensure the hose functions as intended.

Troubleshooting Common Issues

Common problems with flexible hoses, such as leaks or kinks, can often be traced back to installation errors or wear and tear. Troubleshooting these issues may involve inspecting the hose for signs of damage, ensuring connections are secure, and replacing the hose if necessary. Regular checks can help identify potential problems before they lead to system failures.

Maintenance Tips

To prolong the lifespan of the 3974113 Flexible Hose, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, such as cracks or abrasions, and ensuring that all connections remain tight and secure. Adhering to these practices can help maintain the efficiency and reliability of the truck’s systems.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation for reliability and performance in the automotive industry. The 3974113 Flexible Hose is part of Cummins’ extensive product range, designed to meet the demanding requirements of heavy-duty truck applications.

Cummins Flexible Hose Part 3974113 Compatibility

The Cummins Flexible Hose part number 3974113 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and durability. This part is engineered to connect various fluid lines within the engine system, providing flexibility and ease of movement that is crucial for maintaining the integrity of the engine’s operation.

Engine Compatibility

• 4B3.9 and 6B5.9 Engines

The part 3974113 is specifically engineered to fit with the 4B3.9 and 6B5.9 engines. These engines are part of the Cummins engine family, known for their robust design and reliability in various applications. The flexible hose ensures that the connections between different fluid lines remain secure and flexible, accommodating the natural movements and vibrations of the engine during operation.

• Grouped Engine Applications

In addition to the 4B3.9 and 6B5.9, this flexible hose is also compatible with other engines within the same series. These engines are often used in heavy-duty applications, including industrial machinery, construction equipment, and agricultural vehicles. The flexibility and durability of the hose make it an essential component for maintaining the efficiency and longevity of these engines.

The design of the Cummins Flexible Hose part 3974113 ensures that it can withstand the high pressures and temperatures typically encountered in engine environments. This compatibility extends to various configurations and setups, making it a versatile choice for technicians and engineers working with Cummins engines.

Role of Part 3974113 Flexible Hose in Engine Systems

The part 3974113 Flexible Hose is an essential component in the efficient operation of various engine systems, particularly in the context of plumbing and turbocharger applications.

In plumbing systems, the Flexible Hose facilitates the transfer of fluids such as coolant, oil, or fuel between different parts of the engine. Its flexibility allows it to accommodate the vibrations and movements inherent in engine operation, ensuring a secure and leak-free connection. This is particularly important in high-stress environments where rigid connections might fail over time due to constant movement and thermal expansion.

When integrated into turbocharger systems, the Flexible Hose plays a significant role in managing the high-pressure air flow from the turbocharger to the intake manifold. Turbochargers operate under extreme conditions, with high temperatures and pressures. The Flexible Hose’s ability to withstand these conditions while maintaining flexibility helps in reducing stress on the connections, thereby enhancing the durability and reliability of the turbocharger system.

In turbocharger plumbing, the Flexible Hose is often used to connect the turbocharger to the intercooler, exhaust manifold, and other critical components. Its role here is to ensure that the high-pressure air flow is directed efficiently without any leaks, which could lead to a loss of boost pressure and reduced engine performance. The hose’s flexibility also aids in simplifying the installation process, allowing for easier routing around other engine components.

Overall, the part 3974113 Flexible Hose is a versatile component that contributes to the smooth and efficient operation of engine systems by providing reliable fluid and air transfer capabilities in dynamic and high-stress environments.

Conclusion

The Cummins 3974113 Flexible Hose is a critical component in heavy-duty truck systems, designed to facilitate the efficient transfer of fluids and gases. Its flexible design accommodates the dynamic conditions of truck operations, enhancing system reliability and reducing the risk of leaks. Proper installation, regular maintenance, and troubleshooting common issues are essential to ensure the longevity and performance of this part. As part of Cummins’ extensive product range, the 3974113 Flexible Hose exemplifies the company’s commitment to quality and innovation in the automotive industry.