4007901
Plain Hose
Cummins®

Introduction

The Cummins 4007901 Plain Hose is a component designed for use in commercial trucks. It serves as a conduit for various fluids within the truck’s systems, ensuring efficient operation and maintenance of critical functions. This hose is integral to the overall performance and reliability of the vehicle, facilitating the smooth transfer of fluids under varying conditions ¹.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in fluid systems to transport liquids or gases from one point to another. They are constructed from materials that can withstand the pressure and temperature of the fluids they carry. In the context of a truck’s systems, plain hoses play a vital role in connecting different components, allowing for the circulation of fluids such as coolant, fuel, and hydraulic fluid. Their flexibility enables them to accommodate the movement and vibrations inherent in vehicle operation ².

Purpose of the 4007901 Plain Hose

The Cummins 4007901 Plain Hose is specifically designed to transport fluids within a truck’s system. It supports various subsystems, including the engine cooling system, fuel delivery system, and hydraulic systems. The hose is engineered to handle the specific properties of the fluids it carries, ensuring efficient and reliable performance. It contributes to maintaining system integrity by providing a durable and flexible connection between components ³.

Key Features

The Cummins 4007901 Plain Hose boasts several key features that enhance its performance. It is composed of high-quality materials that offer excellent flexibility and durability. The hose is designed to resist wear and tear, as well as the corrosive effects of the fluids it transports. Its construction includes reinforcement layers that provide additional strength and protection against bursting or collapsing under pressure. The hose’s design also ensures easy installation and compatibility with a range of fittings and connectors ⁴.

Benefits

Utilizing the Cummins 4007901 Plain Hose offers several advantages. Its robust construction and material composition contribute to improved system efficiency by ensuring a consistent and reliable flow of fluids. The hose’s durability leads to longer service life, reducing the frequency of replacements and maintenance. Additionally, its design enhances the overall reliability of the truck’s systems, even under demanding operating conditions ⁵.

Installation Considerations

When installing the Cummins 4007901 Plain Hose, it is important to follow guidelines and best practices to ensure proper integration with the truck’s systems. Compatibility with other system components should be verified to prevent leaks or failures. Careful attention to fitting connections and securing the hose in place will help maintain system integrity and performance. Additionally, observing manufacturer recommendations for installation procedures will contribute to the hose’s longevity and effectiveness ⁶.

Troubleshooting and Maintenance

Common issues with plain hoses may include leaks, cracks, or blockages. Regular inspection and maintenance can help identify and address these problems early. Diagnostic methods such as visual inspection, pressure testing, and fluid analysis can be employed to pinpoint issues. Maintenance practices, including cleaning, inspecting for wear, and replacing hoses as needed, will ensure optimal performance and longevity of the system ⁷.

Safety Precautions

When handling, installing, or maintaining the Cummins 4007901 Plain Hose, it is important to observe safety measures to prevent accidents. This includes wearing appropriate personal protective equipment, ensuring proper ventilation when working with fluids, and following manufacturer guidelines for safe operation. Additionally, being aware of the potential hazards associated with the fluids being transported can help mitigate risks and ensure safe handling practices ⁸.

Environmental Impact

The use and disposal of the Cummins 4007901 Plain Hose should consider environmental impact. The materials used in its construction may be recyclable, contributing to waste reduction efforts. Proper disposal practices, such as recycling or disposing of the hose through authorized channels, can help minimize environmental harm. Additionally, using hoses that are designed for longevity and reduced maintenance can contribute to overall sustainability in fleet operations ⁹.

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 is committed to innovation, quality, and customer satisfaction. The company’s product range includes engines and components for on-highway, off-highway, and power generation applications, serving a variety of industries worldwide. Cummins’ dedication to advancing technology and sustainability underscores its position as a leader in the automotive and heavy-duty truck sectors ¹⁰.

Cummins Engine Compatibility with Part 4007901

The Cummins part 4007901, a Plain Hose, is designed to fit seamlessly within various Cummins engine models. This hose is an essential component for maintaining the operational integrity of the engine by ensuring proper fluid flow and pressure within the system.

QSK60 Series

The QSK60 CM500 and QSK60 G CM2358 K110 engines are part of the QSK60 series, which are known for their robust performance and reliability. The Plain Hose 4007901 is integral to these engines, providing a crucial link in the fluid management system. Its design ensures that it can withstand the high pressures and temperatures typical of these engines, maintaining its structural integrity over time.

QSK60G

The QSK60G engine, another variant in the QSK60 series, also benefits from the Plain Hose 4007901. This hose is engineered to fit precisely within the engine’s architecture, ensuring that it can handle the specific demands of the QSK60G model. Its compatibility with this engine ensures that fluid pathways remain unobstructed, contributing to the engine’s overall efficiency and longevity.

QSK78 CM500

The QSK78 CM500 engine, while distinct from the QSK60 series, is also compatible with the Plain Hose 4007901. This hose is designed to fit into the fluid management system of the QSK78 CM500, ensuring that it can handle the unique requirements of this engine model. Its design allows for a secure fit, preventing leaks and ensuring that the engine operates smoothly.

General Compatibility

The Plain Hose 4007901 is engineered to be versatile, fitting into the fluid management systems of various Cummins engines. Its design ensures that it can be used across different engine models, providing a reliable solution for maintaining fluid pathways within the engine. This versatility makes it an essential component for technicians and engineers working with Cummins engines.

Role of Part 4007901 Plain Hose in Engine Systems

The part 4007901 Plain Hose is an essential component in various engine systems, facilitating the smooth operation and efficiency of several key elements.

In the arrangement of engine components, the Plain Hose serves as a vital conduit for fluids and gases, ensuring that they are directed to the appropriate parts without leakage or loss of pressure. This is particularly important in systems where precise fluid dynamics are required for optimal performance.

Within the crankcase breather system, the Plain Hose plays a significant role. It connects the crankcase to the breather, allowing for the release of pressure built up inside the crankcase. This helps maintain a stable environment within the crankcase, preventing damage to the engine components and ensuring efficient operation.

The breather itself relies on the Plain Hose to vent excess gases and moisture from the crankcase. This is essential for preventing the buildup of contaminants that could otherwise lead to engine wear and reduced performance.

In the context of the crankcase, the Plain Hose ensures that any gases or fluids that need to be expelled are efficiently routed away. This helps in maintaining the integrity of the crankcase and ensuring that the engine operates within its designed parameters.

For the Electronic Control Module (ECM) Kit, the Plain Hose may be used in cooling systems or fluid transfer mechanisms that support the ECM. Efficient fluid management is key to preventing overheating and ensuring that the ECM functions correctly.

Lastly, in the Engine Harness Kit, the Plain Hose might be utilized to manage various fluids or gases that are part of the engine’s operation. This includes ensuring that any coolant, oil, or other necessary fluids are properly circulated and that any unwanted gases are effectively vented.

Overall, the 4007901 Plain Hose is a fundamental component in maintaining the integrity and efficiency of these engine systems, ensuring that each part operates seamlessly within the larger engine arrangement.

Conclusion

The Cummins 4007901 Plain Hose is a critical component in the fluid management systems of commercial trucks and Cummins engines. Its robust design, durability, and compatibility with various engine models make it an essential part for maintaining the efficiency and reliability of these systems. Proper installation, regular maintenance, and adherence to safety precautions are vital for ensuring the longevity and effectiveness of this Cummins part. Additionally, considering the environmental impact of its use and disposal contributes to sustainable fleet operations.