4007898
Plain Hose
Cummins®

The 4007898 Plain Hose is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This hose is integral to the fluid transfer systems in commercial trucks, ensuring efficient operation and reliability in demanding environments.

Basic Concepts of Plain Hoses

Plain hoses are a type of flexible tubing used primarily for transferring fluids within various systems. Unlike reinforced hoses, which have additional layers for strength and pressure resistance, plain hoses are simpler in construction. They are typically made from a single layer of material, designed for applications where the fluid pressure is moderate and the environment is not excessively harsh. Plain hoses are valued for their flexibility and ease of installation ¹.

Purpose of the 4007898 Plain Hose

The 4007898 Plain Hose is specifically designed for use in commercial trucks. It plays a role in various fluid transfer systems, including coolant, fuel, and hydraulic systems. By providing a reliable conduit for these fluids, the hose ensures that the truck’s systems operate efficiently. Its design allows it to withstand the vibrations and movements typical in truck operations, maintaining a consistent flow of fluids ².

Key Features

The 4007898 Plain Hose is constructed with several features that enhance its suitability for commercial truck applications. It is made from high-quality materials that offer resistance to wear and tear, ensuring durability over time. The hose’s flexibility allows it to accommodate the movements and vibrations inherent in truck operations without kinking or breaking. Additionally, its smooth interior surface minimizes resistance to fluid flow, enhancing system efficiency ³.

Benefits

Using the 4007898 Plain Hose offers several advantages. Its reliable construction ensures consistent performance, reducing the likelihood of leaks or failures. The hose is designed for ease of installation, allowing for quick replacement or integration into existing systems. Furthermore, its compatibility with various truck systems makes it a versatile choice for fleet managers and maintenance professionals.

Installation Considerations

Proper installation of the 4007898 Plain Hose is key to ensuring its optimal performance and longevity. It is important to follow manufacturer guidelines for fitting and securing the hose to prevent leaks and ensure a secure connection. Careful routing of the hose away from sharp edges and high-heat areas will also contribute to its durability.

Maintenance and Troubleshooting

Regular maintenance of the 4007898 Plain Hose involves inspecting it for signs of wear, such as cracks or softening of the material. It is also important to check for proper seating of fittings and clamps to ensure there are no leaks. Troubleshooting common issues, such as leaks or reduced fluid flow, often involves inspecting the hose for physical damage or improper installation.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable components, Cummins has established a strong reputation for excellence. Their focus on research and development ensures that their products, including the 4007898 Plain Hose, meet the high standards required for commercial truck operations.

Cummins Engine Part 4007898: Plain Hose Compatibility

The Cummins part number 4007898, a Plain Hose, is designed to fit seamlessly within a variety of Cummins engine models. This part is engineered to ensure optimal performance and reliability across multiple engine configurations.

QSK78 CM500 Engines

In the QSK78 CM500 engines, the Plain Hose part 4007898 is integral to the engine’s fluid management system. It is typically used to connect various fluid lines, ensuring that the engine operates smoothly and efficiently. This hose is crucial for maintaining the integrity of the fluid pathways, preventing leaks, and ensuring that the engine’s cooling and lubrication systems function correctly.

Other Cummins Engines

The Plain Hose part 4007898 is also compatible with other Cummins engines, where it serves similar purposes. It is designed to fit into the engine’s architecture, providing a reliable connection between different components. This ensures that the engine’s operational fluids are transported efficiently, maintaining the engine’s overall performance and longevity.

By using the Plain Hose part 4007898, engine operators can be confident that their fluid systems are well-maintained, contributing to the engine’s reliability and efficiency.

Role of Part 4007898 Plain Hose in Engine Systems

Breather System Integration

In the breather system of an engine, the 4007898 Plain Hose serves as a conduit for the release of pressure and contaminants from the crankcase. This hose connects the breather valve to the air intake system, allowing for the safe venting of gases and moisture that accumulate within the crankcase. By facilitating the flow of these byproducts away from the engine, the Plain Hose helps maintain optimal pressure levels and prevents the buildup of harmful substances, which can lead to engine wear and reduced performance.

Crankcase Ventilation

Within the crankcase ventilation system, the 4007898 Plain Hose plays a significant role in ensuring the efficient operation of the Positive Crankcase Ventilation (PCV) system. This hose links the crankcase to the intake manifold, enabling the circulation of crankcase vapors back into the combustion process. This not only helps in reducing emissions but also contributes to the overall efficiency of the engine by reusing these vapors. The Plain Hose ensures that the flow is consistent and unimpeded, which is essential for the proper functioning of the PCV system and the longevity of the engine components.

Conclusion

The 4007898 Plain Hose by Cummins is a critical component in the fluid transfer systems of commercial trucks and engines. Its design, featuring high-quality materials and flexibility, ensures reliable performance in demanding environments. Proper installation and maintenance are essential to maximize its benefits and longevity. Cummins’ commitment to quality and innovation is evident in the design and functionality of this part, making it a valuable asset for fleet managers and maintenance professionals.