3819786
Flexible Hose
Cummins®

The Cummins 3819786 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids, facilitating their movement between different parts of the truck’s system. This hose is integral to maintaining the operational efficiency of the truck by ensuring reliable fluid transfer ¹.

Basic Concepts of Flexible Hoses

Flexible hoses are tubes made from materials that allow them to bend and flex without breaking. They are widely used in automotive and industrial applications to transport fluids such as fuel, coolant, and hydraulic fluid. Flexible hoses function by providing a durable yet adaptable connection between rigid components, accommodating movement and vibration that occur during operation ².

Purpose of the Cummins 3819786 Flexible Hose

This Cummins part plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is typically used in fuel systems, where it connects the fuel tank to the engine or other components, allowing for the smooth transfer of fuel despite the movement and vibrations inherent in truck operation.

Key Features

The 3819786 Flexible Hose is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to wear, tear, and environmental factors. The design includes reinforced ends to ensure a secure connection to fittings, and the hose itself is engineered to withstand high pressure and temperature variations commonly encountered in commercial truck applications ³.

Benefits

This part offers several advantages. Its flexibility allows it to accommodate the movement and vibration of truck components without compromising the integrity of the fluid transfer. This flexibility also reduces the risk of kinking, which can impede fluid flow. Additionally, the hose’s durable construction contributes to the overall efficiency and reliability of the truck’s systems by ensuring consistent fluid delivery.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure compatibility with other components and a secure fit. The installation process may require specific tools to properly connect the hose to fittings and to ensure there are no leaks. Careful routing of the hose is also necessary to avoid sharp bends or abrasion against other parts of the truck.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks and kinks. To diagnose these issues, it is important to inspect the hose for signs of wear, such as cracks or bulges, and to check the connections for tightness. Resolving these issues may involve replacing the hose or making adjustments to its routing to prevent further damage.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and reliable performance of the 3819786 Flexible Hose. This includes periodic inspection for signs of wear or damage, cleaning the hose to remove any buildup that could impede fluid flow, and ensuring that all connections remain tight and secure. Adhering to a maintenance schedule can help prevent unexpected failures and extend the service life of the hose.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s commitment to excellence is reflected in its products, including the 3819786 Flexible Hose, which is designed to meet the demanding requirements of commercial truck applications.

Cummins Engine Compatibility with Part 3819786

This part is designed to integrate seamlessly with several engine models, ensuring optimal performance and reliability. It is engineered to meet the specific needs of the engines it supports, providing a critical connection that maintains the integrity of the engine’s operation.

L10 MECHANICAL

The Flexible Hose part 3819786 is compatible with the L10 MECHANICAL engine. This compatibility ensures that the hose can withstand the mechanical stresses and operational demands of the L10 MECHANICAL engine, providing a reliable connection that is essential for the engine’s functionality.

M11 CELECT PLUS and M11 MECHANICAL

Similarly, the part 3819786 is also compatible with both the M11 CELECT PLUS and M11 MECHANICAL engines. The design of this flexible hose allows it to adapt to the unique requirements of these engines, ensuring a secure and efficient connection. This compatibility is crucial for maintaining the performance and longevity of the M11 engines, whether they are equipped with the CELECT PLUS or MECHANICAL configurations.

By ensuring that the Flexible Hose part 3819786 is compatible with these engines, Cummins guarantees that the hose will provide the necessary flexibility and durability to meet the demands of these high-performance engines.

Role of Part 3819786 Flexible Hose in Engine Systems

This part 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 seamless operation and performance.

Air Pressure Plumbing

In air pressure plumbing systems, the Flexible Hose serves as a conduit for pressurized air. This air is often used to actuate various engine components, such as valves and actuators. The hose’s flexibility allows it to navigate the complex pathways within the engine bay, accommodating movement and vibration without compromising the integrity of the air supply. This ensures consistent air pressure delivery, which is essential for the precise operation of pneumatic systems.

General Plumbing

For general plumbing applications within the engine, the Flexible Hose connects various fluid systems, including coolant, oil, and hydraulic lines. Its role here is to provide a durable and flexible link between rigid pipes and moving components. This flexibility is particularly important in areas where components experience thermal expansion or mechanical movement. The hose helps maintain a secure and leak-free connection, preventing fluid loss and ensuring the efficient circulation of essential fluids throughout the engine.

Air Fuel Control

In air fuel control systems, the Flexible Hose plays a key role in managing the delivery of air and fuel mixtures to the combustion chambers. It connects the air intake system to the fuel injectors and other components responsible for mixture formation. The hose’s design allows it to withstand the high pressures and temperatures associated with fuel delivery, ensuring a stable and consistent supply of the air-fuel mixture. This contributes to optimal combustion efficiency and overall engine performance.

Conclusion

The Cummins 3819786 Flexible Hose is a vital component in commercial truck systems, designed to ensure reliable fluid transfer and maintain operational efficiency. Its flexibility, durability, and compatibility with various engine models make it an essential part for ensuring the smooth operation of truck systems. Regular maintenance and proper installation are key to maximizing the performance and longevity of this part.