2870873
Flexible Hose
Cummins®

The Cummins 2870873 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids within the truck’s operational framework, facilitating the transfer of substances that are vital for the truck’s performance and efficiency.

Basic Concepts of Flexible Hoses

Flexible hoses are tubular components used extensively in automotive and industrial applications. They are designed to convey fluids, gases, or even particulate matter between different parts of a system. Unlike rigid pipes, flexible hoses can bend and twist, accommodating the dynamic movements and vibrations inherent in vehicle operations. They are typically constructed from materials that offer flexibility, durability, and resistance to the specific substances they transport ¹.

Purpose of the Cummins 2870873 Flexible Hose

This Cummins part is engineered to connect various systems within a truck, enabling the transport of fluids essential for the truck’s operation. It plays a role in linking components that may move relative to each other, ensuring a continuous and secure flow of fluids despite the vibrations and movements typical in truck operations.

Key Features

The 2870873 Flexible Hose is characterized by several key features that enhance its performance. These include a material composition designed for flexibility and resistance to the fluids it transports, a construction that allows for significant bending without kinking, and design specifications that ensure durability under the demanding conditions encountered in commercial truck applications.

Benefits

This part offers several advantages over rigid hoses. Its flexibility allows for greater accommodation of the movements and vibrations within a truck’s system, reducing the likelihood of damage or disconnection. Additionally, its design helps in minimizing the transmission of vibrations, contributing to a smoother operation. The hose’s durability ensures it can withstand the harsh operating conditions typical in commercial trucking, providing a reliable solution for fluid transport.

Installation Considerations

When installing the 2870873 Flexible Hose, it is important to follow guidelines and best practices to ensure optimal performance and longevity. This includes using proper fitting techniques to secure the hose connections, employing methods to prevent the hose from kinking or twisting, and ensuring the hose is correctly aligned within the truck’s system to accommodate its movements and the flow of fluids.

Troubleshooting Common Issues

Common issues with flexible hoses, such as leaks, kinks, and degradation, can arise due to various factors including wear and tear, improper installation, or exposure to harsh conditions. Troubleshooting these issues involves identifying the source of the problem, whether it be a faulty connection, physical damage to the hose, or degradation of the hose material. Solutions may include repairing or replacing the affected section of the hose, ensuring all connections are secure, and inspecting the hose regularly for signs of wear.

Maintenance Tips

To maintain the 2870873 Flexible Hose and prolong its lifespan, regular inspection routines are recommended. This includes checking for signs of wear, such as cracks, leaks, or softening of the hose material, and ensuring all connections are tight and secure. Additionally, protecting the hose from excessive heat, sharp edges, and abrasive materials can help prevent damage and ensure reliable operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and commitment to quality, Cummins serves customers in approximately 190 countries and territories, providing products and services that drive economic growth, improve quality of life, and create a more sustainable world ².

Compatibility with Various Engines

The 2870873 Flexible Hose is designed to integrate seamlessly with a variety of Cummins engines. This part is engineered to ensure optimal performance and durability across different engine applications. Here’s how it fits with specific engine models:

K19 Engine

The Flexible Hose is compatible with the K19 engine, providing a reliable connection for fluid transfer. Its design ensures that it can withstand the operational stresses and conditions typical of the K19 engine, maintaining integrity and performance over time.

N14 MECHANICAL Engine

For the N14 MECHANICAL engine, the Flexible Hose is engineered to handle the specific demands of this engine type. It ensures smooth and efficient fluid flow, reducing the risk of leaks and maintaining the engine’s operational efficiency.

NH/NT 855 Engines

The NH/NT 855 engines also benefit from the Flexible Hose. This part is designed to fit these engines with precision, ensuring that it can endure the rigorous conditions these engines operate under. Its flexibility and durability make it an ideal choice for maintaining the integrity of the fluid systems in these engines.

By providing a seamless fit and reliable performance, the 2870873 Flexible Hose is an essential component for maintaining the efficiency and longevity of these engines.

Role of 2870873 Flexible Hose in Engine Systems

The 2870873 Flexible Hose is integral to the efficient operation of various engine systems. It serves as a vital conduit for the transfer of fluids and gases, ensuring seamless connectivity between different components.

Fuel System Integration

In the fuel system, the Flexible Hose facilitates the movement of fuel from the fuel tank to the engine. It connects the fuel tank to the fuel filter, allowing for the passage of fuel while accommodating the vibrations and movements inherent in engine operation. This hose also links the fuel filter to the fuel transfer pump, ensuring a consistent supply of clean fuel to the engine.

Accessories and Plumbing

The Flexible Hose is often used in the plumbing of accessories within the engine system. It connects various accessories to the main fuel lines, allowing for the distribution of fuel to components such as the fuel transfer pump. This ensures that all parts of the engine system receive the necessary fuel supply without restriction.

Float Tank Plumbing

In systems where a float tank is used, the Flexible Hose plays a key role in connecting the float tank to the main fuel lines. This connection ensures that the float tank can effectively regulate fuel levels and maintain a steady supply to the engine, even as the vehicle moves and the engine vibrates.

Overall System Functionality

By providing a flexible and durable connection between these components, the 2870873 Flexible Hose ensures that the fuel system operates smoothly and efficiently. Its ability to withstand pressure and movement makes it an essential part of the engine’s fuel delivery system, contributing to the overall performance and reliability of the engine.

Conclusion

The Cummins 2870873 Flexible Hose is a critical component in the operation of commercial truck systems, offering flexibility, durability, and efficient fluid transfer. Its compatibility with various Cummins engines and its role in the fuel system highlight its importance in maintaining engine performance and reliability. Regular maintenance and proper installation are key to ensuring the longevity and effectiveness of this part.