3979275
Flexible Hose
Cummins®

Introduction

The Cummins 3979275 Flexible Hose Assembly is a component designed to facilitate the transfer of fluids within the systems of commercial trucks. Its role is significant in ensuring the efficient operation of various truck systems by providing a reliable connection between different components ¹.

Basic Concepts of Flexible Hose Assemblies

Flexible hose assemblies are used in automotive systems to connect components that may move relative to each other. These hoses are designed to accommodate movement and vibration, which are common in vehicle operations. They function by providing a pathway for fluids such as coolant, fuel, or hydraulic fluid to flow between parts of the system, ensuring continuous operation without the risk of disconnection or leakage ².

Purpose of the 3979275 Flexible Hose Assembly

The 3979275 Flexible Hose Assembly is specifically designed to connect components within a truck’s system, facilitating the transport of fluids. It plays a role in maintaining the integrity of the fluid pathways, ensuring that systems such as the engine cooling or hydraulic systems operate efficiently. By connecting moving parts, it allows for the necessary flexibility and reduces the stress on the connections ³.

Key Features

The 3979275 Flexible Hose Assembly is characterized by several key features that enhance its performance and durability. It is constructed from materials that offer resistance to wear and corrosion, ensuring longevity. The design incorporates flexibility to accommodate the movement of connected components, while also providing a secure seal to prevent leaks. Additionally, the assembly is engineered to meet specific design specifications that ensure compatibility with the systems it serves.

Benefits

The use of the 3979275 Flexible Hose Assembly offers several advantages. Its flexible design reduces the likelihood of leaks by accommodating movement and vibration. The durable material composition ensures a long service life, even under demanding conditions. Furthermore, the assembly is designed for ease of installation, which can save time during maintenance or repair procedures.

Installation Process

Installing the 3979275 Flexible Hose Assembly requires careful attention to ensure a proper fit and secure connection. The process involves identifying the correct position for the assembly within the system, ensuring that all connections are clean and free from debris. Tools such as clamps may be required to secure the hose in place. It is important to follow the manufacturer’s guidelines to ensure that the installation is performed correctly.

Maintenance Tips

To ensure the longevity and optimal performance of the 3979275 Flexible Hose Assembly, regular maintenance is recommended. This includes inspecting the hose for signs of wear, cracks, or leaks at regular intervals. Cleaning the exterior of the hose can prevent the buildup of dirt or debris that may affect its operation. Additionally, ensuring that all connections are tight and secure can help maintain the integrity of the fluid pathways.

Troubleshooting Common Issues

Common issues with flexible hose assemblies may include leaks or signs of wear. If a leak is detected, it is important to identify the source and determine whether the hose or the connection points are the cause. Wear may be addressed by inspecting the hose for any signs of damage and replacing it if necessary. Regular maintenance can help prevent many of these issues.

Safety Considerations

When installing, maintaining, or troubleshooting the 3979275 Flexible Hose Assembly, it is important to follow safety guidelines. This includes wearing appropriate personal protective equipment, ensuring that the vehicle is securely parked and the engine is off before beginning work. Additionally, being aware of the fluids being transported by the hose and handling them according to safety protocols is crucial.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range serves various industries, providing reliable and efficient power solutions.

Cummins Flexible Hose Assembly 3979275

The Cummins Flexible Hose Assembly part number 3979275 is a critical component designed to fit seamlessly with various Cummins engines, ensuring efficient fluid transfer and maintaining system integrity. This part is engineered to provide flexibility and durability, accommodating the dynamic movements and vibrations inherent in engine operations.

Compatibility with Cummins Engines

The 3979275 Flexible Hose Assembly is specifically designed to integrate with the following Cummins engine models:

• 6C8.3: This engine model benefits from the flexibility and resilience of the 3979275 hose assembly, ensuring optimal performance and longevity. The hose’s design allows it to withstand the operational stresses of the 6C8.3 engine, providing a reliable connection for fluid transfer.

The 3979275 Flexible Hose Assembly is a testament to Cummins’ commitment to quality and performance, ensuring that it meets the rigorous demands of modern engine applications. Its compatibility with the 6C8.3 engine underscores its versatility and effectiveness in various operational environments.

Role of Part 3979275 Flexible Hose Assembly in Engine Systems

The part 3979275 Flexible Hose Assembly is integral to the efficient operation of various engine systems. In the context of a coolant system, this hose assembly facilitates the transfer of coolant between the engine block and the radiator. It ensures a consistent flow of coolant, which is essential for maintaining optimal engine temperature and preventing overheating.

When integrated with a coolant level sensor, the flexible hose assembly allows for accurate monitoring of the coolant level within the system. The sensor, typically located within the coolant reservoir, relies on the hose assembly to provide a direct connection to the coolant passages. This ensures that the sensor can effectively measure the coolant level and send precise data to the engine control unit (ECU).

The flexibility of the hose assembly is particularly beneficial in accommodating the vibrations and movements inherent in engine operation. This flexibility helps maintain a secure and leak-free connection, which is vital for the longevity and reliability of the coolant system. Additionally, the hose assembly’s design allows it to withstand the high temperatures and pressures associated with engine coolant, ensuring durable performance over time.

Conclusion

The Cummins 3979275 Flexible Hose Assembly is a vital component in the efficient operation of commercial truck systems. Its design ensures flexibility, durability, and reliable fluid transfer, accommodating the dynamic movements and vibrations inherent in engine operations. Regular maintenance and adherence to safety guidelines are essential for ensuring the longevity and optimal performance of this part.