3919808
Flexible Hose
Cummins®

The Cummins 3919808 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids within the truck’s operational framework, facilitating efficient and reliable performance. This hose is integral to maintaining the functionality of the truck’s systems by providing a flexible connection that accommodates movement and reduces stress on connected components.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive and heavy-duty truck systems to transport fluids such as coolant, fuel, and hydraulic fluid. They are designed to offer flexibility and durability, allowing them to withstand the dynamic movements and vibrations inherent in vehicle operation. Flexible hoses function by providing a pathway for fluid transfer that can bend and flex without compromising the flow or integrity of the system ¹.

Purpose of the Cummins 3919808 Flexible Hose

The Cummins 3919808 Flexible Hose is specifically engineered to connect various systems within a truck, transporting essential fluids that are vital for the truck’s operation. It plays a role in linking components that may experience relative motion, ensuring a continuous and unimpeded flow of fluids. This hose is typically used in applications where rigid hoses would be impractical due to the need for flexibility and the ability to absorb vibrations.

Key Features

The Cummins 3919808 Flexible Hose is characterized by several key features that enhance its performance. It is constructed from materials that offer a balance of flexibility and durability, allowing it to withstand the rigors of commercial truck operation. The hose’s design includes reinforced layers to maintain structural integrity under pressure, and its flexibility is tailored to accommodate the specific movements of the truck’s components.

Benefits

The Cummins 3919808 Flexible Hose offers several advantages over rigid hoses. Its flexibility reduces the transmission of vibrations throughout the truck’s system, which can lead to improved component longevity and reduced maintenance requirements. Additionally, the hose’s durable construction ensures it can withstand harsh operating conditions, providing reliable performance over an extended service life ².

Installation Considerations

When installing the Cummins 3919808 Flexible Hose, it is important to follow guidelines to ensure proper integration within the truck’s system. This includes using the correct fitting techniques to secure the hose in place and ensure a leak-free connection. Careful alignment of the hose is also necessary to prevent kinks or undue stress on the hose, which could impair its function or lead to premature failure.

Maintenance and Troubleshooting

Maintaining the Cummins 3919808 Flexible Hose involves regular inspection for signs of wear or damage, such as cracks or leaks. Common issues may include fluid leaks due to worn fittings or hose degradation from exposure to extreme temperatures or chemicals. Troubleshooting steps may involve replacing worn sections or fittings, and ensuring that the hose is correctly aligned and secured within the system.

Compatibility and Usage

The Cummins 3919808 Flexible Hose is designed for use in various truck models and systems, with specific applications noted for each installation. It is important to adhere to any usage notes or precautions provided by the manufacturer to ensure compatibility and optimal performance. This hose is typically used in systems where flexibility and durability are required to maintain efficient fluid transfer.

Safety Considerations

When working with the Cummins 3919808 Flexible Hose, it is important to observe safety guidelines. This includes handling the hose with care to avoid damage, adhering to pressure ratings to prevent overloading, and understanding the operational limits of the hose to ensure safe and effective use within the truck’s system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. 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 includes components and systems designed to enhance the performance and reliability of commercial vehicles.

Cummins Flexible Hose 3919808 Compatibility with Engine Models

The Cummins Flexible Hose part number 3919808 is designed to integrate seamlessly with a range of Cummins engine models. This hose is engineered to provide flexibility and durability, ensuring efficient operation and longevity in demanding environments.

Cummins 4B3.9 Engine

The 3919808 Flexible Hose is specifically engineered to fit the Cummins 4B3.9 engine. This engine model is known for its reliability and efficiency, and the hose ensures that fluid transfer within the engine system is smooth and uninterrupted.

Cummins 6B5.9 Engine

Similarly, the Cummins 6B5.9 engine benefits from the use of the 3919808 Flexible Hose. This engine model is often utilized in heavy-duty applications, and the hose’s flexibility and strength make it an ideal component for maintaining optimal engine performance.

Grouping of Engine Models

The Cummins Flexible Hose 3919808 is compatible with both the 4B3.9 and 6B5.9 engine models. These engines, while distinct in their specifications and applications, share common design principles that allow the hose to integrate effectively. The hose’s design ensures that it can handle the specific demands of each engine model, providing a reliable connection that supports the engine’s operational needs.

Role of Part 3919808 Flexible Hose in Engine Systems

The 3919808 Flexible Hose is an essential component in the efficient operation of various engine systems, particularly in the context of the filter and full flow oil systems.

In the filter system, the 3919808 Flexible Hose facilitates the transfer of fluid between the engine and the filter. This hose ensures a secure and leak-free connection, allowing the engine to receive clean fluid necessary for optimal performance. Its flexibility accommodates the natural movements and vibrations of the engine, maintaining a consistent flow of fluid without the risk of disconnection or damage.

Within the full flow oil system, the 3919808 Flexible Hose plays a similarly important role. It connects the oil pump to the oil filter and other critical components, ensuring that oil is circulated throughout the engine effectively. This circulation is vital for lubricating moving parts, reducing friction, and dissipating heat. The hose’s durable construction and flexibility help withstand the high pressures and temperatures associated with the oil flow, contributing to the longevity and reliability of the engine.

Overall, the 3919808 Flexible Hose is a key element in maintaining the integrity and efficiency of the engine’s fluid systems, supporting both the filter and full flow oil components in their respective functions.

Conclusion

The Cummins 3919808 Flexible Hose is a critical component in the operation of commercial truck systems, offering flexibility, durability, and reliable performance. Its role in facilitating efficient fluid transfer within the engine and filter systems underscores its importance in maintaining the overall functionality and longevity of the truck’s systems. Proper installation, maintenance, and adherence to safety guidelines are essential to ensure the optimal performance and longevity of this Cummins part.