4940442
Flexible Hose
Cummins®

The 4940442 Flexible Hose is a component manufactured by Cummins, a well-established name in the automotive industry, particularly in diesel engines and components. This hose is designed for use in commercial trucks, where it plays a role in various systems by facilitating the transfer of fluids. Flexible hoses are integral to truck systems as they allow for movement and vibration without compromising the integrity of fluid transfer pathways ¹.

Basic Concepts of Flexible Hoses

Flexible hoses are tubes made from materials that allow them to bend and flex without breaking. They are used extensively in automotive systems to connect different components that require fluid transfer, such as coolant, fuel, and hydraulic fluids. The flexibility of these hoses accommodates the movement and vibrations inherent in vehicle operation, ensuring a consistent and reliable fluid flow. Common materials used in the manufacturing of flexible hoses include rubber, thermoplastics, and metal braids, each offering different levels of flexibility, durability, and resistance to various conditions ².

Purpose of the 4940442 Flexible Hose

This Cummins part is specifically designed to connect various systems within a truck, facilitating the transport of fluids between components. It plays a role in ensuring that fluids reach their intended destinations efficiently and without leakage. The hose is engineered to withstand the pressures and temperatures associated with truck operations, making it a reliable component in the fluid transfer system ³.

Key Features

The 4940442 Flexible Hose boasts several key features that enhance its performance and durability. Its design incorporates materials that offer superior flexibility and resistance to wear and tear. The construction may include layers of reinforcement to withstand high pressures and temperatures, ensuring longevity. Additionally, the hose might feature unique attributes such as kink resistance and a smooth inner lining to facilitate efficient fluid flow.

Benefits

Utilizing the 4940442 Flexible Hose in truck systems offers several advantages. Its flexibility allows for greater movement and vibration absorption, reducing the risk of damage to the hose and connected systems. The hose’s resistance to wear and tear contributes to its durability, minimizing the need for frequent replacements. Enhanced safety features, such as reinforced layers and kink resistance, further contribute to the reliable operation of truck systems.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure compatibility with other system components and optimal performance. Special tools or techniques may be required for installation, depending on the specific application. Ensuring a proper fit and secure connection is crucial to prevent leaks and maintain the efficiency of fluid transfer.

Maintenance and Troubleshooting

Regular maintenance of the 4940442 Flexible Hose is recommended to ensure its longevity and optimal performance. This may include periodic inspections for signs of wear, damage, or leaks. Common issues that may arise include kinks, cracks, or deterioration of the hose material. Suggested troubleshooting steps may involve replacing damaged sections or the entire hose if necessary.

Safety Precautions

When handling, installing, or maintaining the 4940442 Flexible Hose, it is important to observe safety measures to mitigate potential hazards. This includes wearing appropriate personal protective equipment, ensuring the system is depressurized before working on the hose, and following manufacturer guidelines for installation and maintenance. Being aware of the potential hazards associated with fluid transfer systems can help prevent accidents and ensure a safe working environment.

Cummins: A Brief Overview

Cummins is a manufacturer with a rich history and expertise in diesel engines and components. Their commitment to quality and innovation in the automotive industry is evident in their wide range of products, including the 4940442 Flexible Hose. Cummins’ focus on reliability, performance, and customer satisfaction has established them as a trusted name in the field of commercial truck components.

Flexible Hose 4940442 Compatibility with Cummins Engines

The Cummins Flexible Hose part number 4940442 is designed to fit seamlessly with a range of Cummins engines, ensuring reliable performance and durability. This hose is engineered to withstand the rigors of engine operation, providing a critical connection between various engine components.

QSB6.7 CM850 (CM2850) Engines

For the QSB6.7 CM850 (CM2850) engines, the 4940442 Flexible Hose is an essential component that connects the fuel system, ensuring a secure and flexible link between the fuel pump and the fuel injectors. This connection is vital for maintaining consistent fuel delivery, which is crucial for optimal engine performance.

QSB7 CM2880 B117 Engines

Similarly, in the QSB7 CM2880 B117 engines, the 4940442 Flexible Hose is used to connect the fuel system, ensuring a reliable and flexible link between the fuel pump and the fuel injectors. This hose is designed to handle the demands of these high-performance engines, providing a durable and secure connection that supports efficient fuel delivery.

By ensuring a proper fit and function, the 4940442 Flexible Hose plays a critical role in the overall performance and longevity of these Cummins engines.

Role of Part 4940442 Flexible Hose in Plumbing and Fuel Filter Systems

In the context of plumbing and fuel filter systems, the 4940442 Flexible Hose serves as a vital connector, facilitating the smooth transfer of fluids while accommodating the dynamic movements and vibrations inherent in engine systems.

Plumbing Systems

Within plumbing systems, the 4940442 Flexible Hose is instrumental in linking various components such as pumps, valves, and distribution points. Its flexibility allows it to navigate tight spaces and irregular pathways, ensuring a secure and leak-proof connection. This adaptability is particularly beneficial in systems where components may shift slightly due to thermal expansion or mechanical vibrations. The hose’s robust construction ensures durability under varying pressure conditions, maintaining consistent fluid flow and system efficiency.

Fuel Filter Systems

In fuel filter systems, the 4940442 Flexible Hose plays a key role in connecting the fuel tank to the filter assembly and subsequently to the engine’s fuel injection system. Its flexibility is essential in absorbing the vibrations generated by the engine, preventing stress on the connections and reducing the risk of leaks. The hose’s material is typically resistant to fuel and other chemicals, ensuring it remains intact and functional over extended periods. This reliability is vital for maintaining a clean and consistent fuel supply, which is fundamental for engine performance and longevity.

Overall, the 4940442 Flexible Hose enhances the functionality and reliability of both plumbing and fuel filter systems by providing a flexible, durable, and secure means of fluid transfer.

Conclusion

The 4940442 Flexible Hose is a critical component in the fluid transfer systems of commercial trucks, offering flexibility, durability, and reliable performance. Its role in connecting various systems within a truck ensures efficient and secure fluid transfer, contributing to the overall performance and longevity of the vehicle. Regular maintenance and adherence to safety precautions are essential to maximize the benefits of this Cummins part.