4078704
Flexible Hose
Cummins®

The Cummins 4078704 Flexible Hose is a component designed for use in commercial trucks. It serves a role in the vehicle’s operation by facilitating the transfer of fluids or gases between different parts of the truck’s systems. Understanding its purpose and significance is key to maintaining the efficiency and reliability of commercial trucks.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in various automotive systems to transfer fluids or gases. They are designed to withstand varying conditions, including changes in temperature, pressure, and movement. Unlike rigid pipes, flexible hoses can accommodate vibrations and movements within the vehicle, reducing the risk of damage or disconnection. They are commonly used in fuel, coolant, and brake systems, among others ¹.

Purpose of the 4078704 Flexible Hose in Truck Operation

This Cummins part is specifically designed to connect different systems within a truck, allowing for the transfer of fluids or gases. It plays a role in maintaining the integrity of the system it is part of by providing a reliable connection that can withstand the dynamic environment of a commercial truck. This hose is typically used in applications where flexibility and durability are required to ensure consistent performance.

Key Features of the 4078704 Flexible Hose

The design and construction of this part include several features that enhance its performance and durability. These features may include a specific material composition that provides resistance to environmental factors such as heat, cold, and chemical exposure. Its flexibility allows it to accommodate the movements and vibrations inherent in truck operation, while its construction ensures a secure and leak-free connection.

Benefits of Using the 4078704 Flexible Hose

Utilizing this part offers several advantages. It contributes to improved system reliability by providing a flexible yet durable connection between components. This reduces the risk of leaks and disconnections that can occur with rigid hoses. Additionally, its design enhances the overall durability of the system, contributing to the longevity and efficiency of the truck’s operation.

Installation Considerations

When installing this Cummins part, it is important to follow guidelines and best practices to ensure proper function and longevity. This includes ensuring proper alignment with the systems it connects, using appropriate securing methods to maintain a tight and stable connection, and verifying compatibility with existing systems to prevent issues such as leaks or reduced performance.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, or degradation over time. To address these issues, it is important to conduct regular inspections for signs of wear or damage. If a leak is detected, the hose should be replaced to prevent further issues. Kinks can often be resolved by repositioning the hose, while degradation may require replacement depending on the severity.

Maintenance Tips

To prolong the lifespan of the 4078704 Flexible Hose, routine maintenance practices are recommended. This includes regular inspections for signs of wear, damage, or leaks. Cleaning the hose and its connections can also help prevent buildup that may lead to issues. Establishing a replacement schedule based on the hose’s condition and the manufacturer’s recommendations can ensure continued reliable performance.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range that includes engines, filtration systems, and components like the 4078704 Flexible Hose, Cummins has built a reputation for delivering reliable and high-performance solutions to the market. Its history of innovation and dedication to customer satisfaction underscores its position as a leader in the industry ².

Cummins Part 4078704: Flexible Hose Compatibility with Various Engines

This part is designed to integrate seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. It is engineered to meet the specific needs of the engines it supports, providing flexibility and durability in various operational conditions.

K38 and K50 Engines

The K38 and K50 engines benefit from the flexibility and resilience of this part. It is crucial in maintaining the integrity of the engine’s fluid systems, ensuring that coolant, oil, and other essential fluids are transported efficiently. Its design allows for movement and expansion, accommodating the natural vibrations and shifts that occur during engine operation.

QSK60 and CM850 Engines

For the QSK60 and CM850 engines, this part plays a pivotal role in the engine’s cooling and lubrication systems. These engines, known for their robust performance, require a hose that can withstand high pressures and temperatures. The flexible hose ensures that the fluid pathways remain intact, preventing leaks and maintaining the engine’s operational efficiency.

MCRS Engines

The MCRS engines also rely on this part for its flexibility and durability. Given the demanding nature of these engines, the hose must be able to handle significant stress and pressure. Its design allows for a secure fit, ensuring that the engine’s fluid systems operate without interruption.

Role of Part 4078704 Flexible Hose in Engine Systems

This part is integral to the efficient operation of various engine systems. It facilitates the connection between the fuel filter mounting and the hose mount, ensuring a secure and flexible link that can accommodate the dynamic movements of the engine. This flexibility is essential for maintaining a consistent fuel supply, which is vital for engine performance.

In systems involving the hose plain mount, the flexible hose allows for the transfer of fluids without the constraints of rigid piping. This is particularly important in applications where vibrations or thermal expansion could otherwise lead to stress fractures in more rigid components.

When considering the location component, the flexible hose’s ability to bend and twist enables it to navigate around other engine parts, optimizing space utilization within the engine compartment. This is especially beneficial in compact engine designs where space is at a premium.

For the drain system, the flexible hose provides a reliable pathway for fluid removal, whether it be coolant, oil, or other liquids. Its flexibility ensures that it can be routed to the most efficient drain point, enhancing the overall effectiveness of the drainage process.

In pump systems, whether dealing with raw water or seawater, the flexible hose plays a key role in connecting the pump to various points within the engine system. This includes facilitating the flow of water for cooling purposes or other operational needs. The hose’s flexibility ensures that it can withstand the pressure variations inherent in pump operations without compromising the integrity of the connection.

Conclusion

Overall, the 4078704 Flexible Hose is a versatile component that enhances the functionality and reliability of various engine systems by providing flexible, secure connections that can adapt to the dynamic environment within an engine ³.