3919679
Flexible Hose
Cummins®

Introduction

The Cummins 3919679 Flexible Hose is a component designed for use in commercial truck operations. It serves a specific function within the truck’s system, facilitating the transfer of fluids or gases between different parts of the vehicle. Understanding its purpose and role is fundamental for maintaining the efficiency and reliability of commercial trucks.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive systems to transfer fluids or gases. They are designed to accommodate movement and vibration, which are common in vehicle operations. Flexible hoses allow for the transfer of substances under varying conditions without the risk of breakage or leakage that rigid pipes might encounter. Their adaptability makes them suitable for applications where components are not fixed in place or where there is a need for dynamic connections ¹.

Purpose of the Cummins 3919679 Flexible Hose

The Cummins 3919679 Flexible Hose is engineered to connect specific systems within a truck, enabling the transfer of fluids or gases as required for the vehicle’s operation. It plays a role in ensuring that the connected systems function correctly by providing a reliable pathway for the substances to travel. This hose is integral to maintaining the operational integrity of the truck’s systems by allowing for necessary flexibility and movement ².

Key Features

The Cummins 3919679 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include its material composition, which is selected for durability and resistance to the specific fluids or gases it transfers. The hose’s flexibility allows it to accommodate the movement and vibration inherent in truck operations, while its design specifications ensure a secure and efficient connection between systems. These features contribute to the hose’s ability to perform under a range of conditions encountered in commercial truck use.

Benefits

Utilizing the Cummins 3919679 Flexible Hose offers several advantages. It contributes to improved system reliability by providing a flexible yet durable connection that can withstand the rigors of truck operation. The reduced risk of leaks compared to rigid hoses enhances safety and efficiency. Additionally, its durability ensures a longer service life, reducing the need for frequent replacements and contributing to overall cost savings ³.

Installation Considerations

Proper installation of the Cummins 3919679 Flexible Hose is vital for ensuring optimal performance and longevity. Installation procedures should follow manufacturer guidelines to secure the hose correctly and prevent issues such as leaks or disconnections. Specific requirements may include the use of appropriate clamps and ensuring the hose is not kinked or twisted during installation. Adhering to these best practices helps maintain the integrity of the hose and the systems it connects.

Troubleshooting Common Issues

Common issues with flexible hoses, such as leaks, kinks, or degradation, can arise due to various factors including wear and tear, improper installation, or exposure to harsh conditions. Troubleshooting these problems involves inspecting the hose for signs of damage, ensuring it is properly installed, and replacing it if necessary. Regular checks can help identify potential issues before they lead to more significant problems.

Maintenance Tips

Regular maintenance is key to prolonging the life of the Cummins 3919679 Flexible Hose. This includes routine inspections for signs of wear or damage, cleaning the hose as needed, and following manufacturer guidelines for replacement. Establishing an inspection schedule and adhering to maintenance practices can help ensure the hose remains in good condition, contributing to the overall reliability of the truck’s systems.

Cummins Overview

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 broad product range, Cummins has established a strong reputation in the commercial truck industry. The company’s commitment to quality and performance is reflected in its products, including the Cummins 3919679 Flexible Hose, which is designed to meet the demanding requirements of commercial truck operations.

Cummins Engine Compatibility with Part 3919679

The Cummins part 3919679, a Flexible Hose, is designed to fit seamlessly with a variety of Cummins engines. This part is engineered to provide a reliable and durable connection, ensuring optimal performance and longevity. Below is a detailed look at the compatibility of this flexible hose with specific Cummins engine models.

Compatible Engines

• 4B3.9
• 6B5.9
• B4.5
• QSB3.9 30 CM550
• QSB5.9 30 CM550
• QSB5.9 44 CM550

Grouping of Compatible Engines

The Cummins part 3919679 is compatible with both the 3.9-liter and 5.9-liter engine families, as well as specific configurations of the QSB series. Here’s a breakdown of the compatibility:

• 3.9-Liter Engines:

  • 4B3.9
  • QSB3.9 30 CM550

• 5.9-Liter Engines:

  • 6B5.9
  • B4.5
  • QSB5.9 30 CM550
  • QSB5.9 44 CM550

Application Considerations

When installing the part 3919679, it is crucial to ensure that the flexible hose is correctly aligned and securely attached to avoid any leaks or performance issues. This part is designed to handle the specific demands of each engine model, providing flexibility and durability in various operating conditions.

Role of Part 3919679 Flexible Hose in Engine Systems

The part 3919679 Flexible Hose is integral to the efficient operation of various engine systems, particularly in the context of plumbing and turbocharger applications.

In plumbing systems, this flexible hose facilitates the transfer of fluids between components, accommodating the dynamic movements and vibrations inherent in engine operation. Its flexibility allows for a secure yet adaptable connection, reducing the risk of leaks and ensuring consistent fluid flow.

When integrated into turbocharger systems, the hose plays a significant role in both the turbocharger oil and turbocharger plumbing. For turbocharger oil, the hose ensures that lubrication is effectively delivered to the turbocharger, maintaining its performance and longevity. In turbocharger plumbing, it manages the flow of gases and fluids, contributing to the overall efficiency and reliability of the turbocharger.

The hose’s design is particularly beneficial in environments where rigid connections might fail due to thermal expansion, mechanical stress, or vibration. By providing a flexible yet durable link between components, it enhances the system’s resilience and operational stability.

Conclusion

The Cummins 3919679 Flexible Hose is a critical component in the operation of commercial trucks, offering flexibility, durability, and reliability in fluid and gas transfer systems. Its compatibility with a range of Cummins engines and its role in both plumbing and turbocharger systems underscore its importance in maintaining the efficiency and performance of these vehicles. Proper installation, regular maintenance, and timely troubleshooting are essential practices to ensure the longevity and effectiveness of this Cummins part.