3920794
Flexible Hose
Cummins®

The Cummins 3920794 Flexible Hose is a component designed for use in commercial truck operations. It serves a specific function within the truck’s system, contributing to the efficient and safe transfer of fluids. Understanding its purpose and significance can help in maintaining the overall performance and reliability of the vehicle.

Basic Concepts of Flexible Hoses

Flexible hoses are used in various automotive systems to connect different components, allowing for the transfer of fluids such as coolant, fuel, or hydraulic fluid. They are designed to accommodate movement and vibration, which are common in vehicle operations, thereby reducing the risk of leaks and component failure. Flexible hoses are typically made from materials that can withstand the specific conditions of their application, including temperature variations and pressure fluctuations ¹.

Purpose of the Cummins 3920794 Flexible Hose

The Cummins 3920794 Flexible Hose is utilized in the operation of trucks to connect specific systems and transport fluids. It plays a role in ensuring that fluids are transferred efficiently between components, which is vital for the proper functioning of the truck. The hose is part of a system that requires flexibility to handle the dynamic movements of the vehicle, ensuring a secure and leak-free connection ².

Key Features

The Cummins 3920794 Flexible Hose is characterized by its material composition, which is selected to provide durability and resistance to the conditions it will encounter. Design elements such as reinforced layers and specialized fittings enhance its performance. Unique characteristics may include resistance to abrasion, chemicals, and extreme temperatures, contributing to the hose’s longevity and reliability.

Benefits

The Cummins 3920794 Flexible Hose offers several advantages, including improved flexibility which allows it to withstand the vibrations and movements inherent in truck operations. Its resistance to wear and tear ensures a longer service life, and its design contributes to enhanced safety and efficiency in fluid transfer, reducing the likelihood of leaks and system failures.

Installation Considerations

When installing the Cummins 3920794 Flexible Hose, it is important to follow guidelines and best practices to ensure compatibility with other components. Necessary tools and procedures should be employed to secure connections and verify that the hose is correctly positioned and tensioned. Proper installation is key to the hose’s performance and the overall integrity of the fluid transfer system.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins 3920794 Flexible Hose, regular maintenance is recommended. This includes checking for signs of wear, ensuring connections are secure, and replacing the hose if any damage is detected. Common issues that may arise include leaks or reduced flexibility, and troubleshooting steps should involve inspecting the hose and connections, and addressing any identified problems promptly.

Safety Precautions

When handling, installing, and maintaining the Cummins 3920794 Flexible Hose, it is important to observe safety measures to prevent accidents. This includes wearing appropriate personal protective equipment, ensuring the work area is safe, and following all manufacturer guidelines to ensure safe operation and prevent injury.

Environmental Impact

The use and disposal of the Cummins 3920794 Flexible Hose should be considered in terms of environmental impact. Proper disposal methods should be followed, and if possible, recycling options should be explored to minimize waste. Manufacturers may provide recommendations for the environmentally responsible disposal of their products.

Cummins Overview

Cummins Inc. is a company with a history of providing innovative and quality products in the automotive industry. Their range of products includes engines, filtration systems, and components like the Cummins 3920794 Flexible Hose. Cummins is committed to advancing technology and maintaining high standards in their offerings, contributing to the efficiency and reliability of commercial vehicles.

Cummins Engine Compatibility with Flexible Hose Part 3920794

The Cummins Flexible Hose part 3920794 is designed to fit a variety of Cummins engines, ensuring flexibility and durability in various applications. Here’s a breakdown of the engines with which this part is compatible:

Cummins 4B3.9 and QSB3.9 Engines

• QSB3.9 30 CM550
• QSB3.9 CM2880 B138

The Flexible Hose part 3920794 is engineered to integrate seamlessly with the 4B3.9 and QSB3.9 engines. These engines are known for their reliability and performance, and the hose ensures that the cooling and fuel systems operate efficiently.

Cummins 6B5.9 Engines

• 6B5.9

This part is also compatible with the 6B5.9 engine, providing a reliable connection in the engine’s fuel and cooling systems. The flexibility of the hose accommodates the engine’s movements, reducing wear and tear.

Cummins B4.5 and B5.9 Engines

• B4.5
• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556

The Flexible Hose part 3920794 is designed to fit the B4.5 and B5.9 engines, including models like the B5.9 CM2670 B166C, B5.9 G, and B5.9 GAS PLUS CM556. This compatibility ensures that the hose can handle the specific demands of these engines, providing a durable and flexible connection.

Cummins QSB5.9 Engines

• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB5.9 CM2880 B139

The Flexible Hose part 3920794 is also suitable for the QSB5.9 engines, including models like the QSB5.9 30 CM550, QSB5.9 44 CM550, and QSB5.9 CM2880 B139. This compatibility ensures that the hose can effectively manage the demands of these engines, providing a reliable and flexible connection.

Cummins ISB Engines

• ISB CM550

The Flexible Hose part 3920794 is compatible with the ISB CM550 engine, ensuring that the hose can handle the specific requirements of this engine model. This compatibility is crucial for maintaining the efficiency and reliability of the engine’s systems.

By ensuring compatibility with these various engine models, the Flexible Hose part 3920794 from Cummins provides a reliable and flexible solution for maintaining the performance and longevity of the engines.

Role of Part 3920794 Flexible Hose in Engine Systems

The part 3920794 Flexible Hose is integral to the efficient operation of various engine systems. Its primary function is to facilitate the transfer of fluids and gases between different components, ensuring smooth and uninterrupted flow.

Integration with Mounting Components

In engine systems, the flexible hose is often connected to mounting components. These mountings secure the hose in place, allowing it to withstand the vibrations and movements inherent in engine operation. The flexibility of the hose ensures that it can adapt to the dynamic environment without compromising the integrity of the fluid or gas pathways.

Connection to Front Gear Train Accessory

The front gear train accessory relies on precise fluid delivery to function optimally. The flexible hose plays a key role in this by providing a reliable connection between the accessory and other components. This ensures that lubricants or coolants reach the accessory without leakage or restriction, maintaining its efficiency and longevity.

Role in Plumbing Systems

Within the plumbing systems of an engine, the flexible hose is used to connect various pipes and fittings. Its flexibility allows for easier installation and maintenance, reducing the risk of damage during assembly or disassembly. Additionally, it accommodates the thermal expansion and contraction of the plumbing system, enhancing overall reliability.

Interaction with Air Fuel Control

The air fuel control system requires accurate and consistent delivery of air and fuel mixtures. The flexible hose contributes to this by providing a secure and leak-free connection between the air fuel control components and other parts of the engine. This ensures that the mixture is delivered precisely as required, optimizing combustion efficiency and reducing emissions.

Supporting Front Gear Train Accessory Functions

Similar to its role with the front gear train accessory, the flexible hose supports other accessories by ensuring they receive the necessary fluids or gases. This includes components like pumps, sensors, and regulators, all of which depend on consistent and reliable fluid flow to operate correctly.

Conclusion

In summary, the part 3920794 Flexible Hose is a versatile and essential component in engine systems, facilitating the smooth operation of mounting, front gear train accessories, plumbing, and air fuel control systems. Its flexibility and reliability make it a key element in maintaining the efficiency and performance of these critical engine components.