2870878
Flexible Hose
Cummins®

The Cummins Flexible Hose Part #2870878 is a specialized component designed for use in commercial truck systems. This hose is integral to the efficient operation of various truck systems by facilitating the transfer of fluids between components. Its design and construction are tailored to withstand the demanding conditions encountered in commercial trucking, ensuring reliable performance and longevity.

Basic Concepts of Flexible Hoses

Flexible hoses are used extensively in automotive and heavy-duty truck systems to connect various components that require fluid transfer. These hoses are designed to accommodate movement and vibration, which are common in vehicle operations. They are typically made from a combination of rubber and reinforcement materials to provide flexibility, durability, and resistance to high pressures and temperatures. Flexible hoses play a vital role in systems such as fuel delivery, coolant circulation, and hydraulic systems, ensuring that fluids are transported efficiently and safely ¹.

Purpose of Cummins Flexible Hose Part #2870878

The Cummins Flexible Hose Part #2870878 is specifically engineered to connect critical components within a truck’s system, facilitating the transfer of fluids such as coolant, fuel, or hydraulic fluid. This hose ensures that these fluids are delivered consistently and under pressure, which is necessary for the proper functioning of the engine and other systems. By providing a flexible connection, it accommodates the movement and vibrations inherent in truck operations, thereby maintaining a secure and leak-free fluid pathway.

Key Features

The Cummins Flexible Hose Part #2870878 boasts several key features that enhance its performance and durability. It is constructed from high-quality materials, including synthetic rubber for the inner layer and reinforced fabric for the outer layer. This combination provides excellent resistance to abrasion, chemical exposure, and temperature fluctuations. The hose is also designed with precision-engineered fittings to ensure a secure connection to other components. Additionally, its flexible nature allows it to withstand the dynamic movements and vibrations typical in commercial truck applications ².

Benefits

Using the Cummins Flexible Hose Part #2870878 offers several advantages. Its flexible design allows for greater movement and reduces the risk of kinking or cracking, which can lead to leaks and system failures. The hose’s robust construction ensures it can withstand high pressures and temperatures, contributing to the overall reliability and safety of the truck’s fluid systems. Moreover, its durable materials and precise engineering result in a longer service life, reducing the need for frequent replacements and maintenance ³.

Installation Considerations

When installing the Cummins Flexible Hose Part #2870878, it is important to follow guidelines to ensure compatibility and proper function. The hose should be inspected for any signs of damage before installation. It is also crucial to ensure that all connections are secure and that the hose is routed correctly to avoid abrasion or contact with moving parts. Additionally, using the appropriate tools and techniques during installation will help maintain the integrity of the hose and its connections.

Troubleshooting Common Issues

Common issues with flexible hoses include leaks, degradation, and blockages. To address these problems, regular inspections should be conducted to identify any signs of wear or damage. If a leak is detected, the hose should be replaced immediately to prevent fluid loss and potential system failure. Degradation can often be prevented through proper maintenance and the use of high-quality hoses like the Cummins Flexible Hose Part #2870878. Blockages can be resolved by flushing the system and ensuring that the hose is free from obstructions.

Maintenance Tips

To ensure the longevity and reliable performance of the Cummins Flexible Hose Part #2870878, regular maintenance is recommended. This includes periodic inspections for signs of wear, cracks, or leaks. The hose should be checked for proper routing and secure connections. Additionally, keeping the hose clean and free from contaminants will help maintain its flexibility and integrity. Following these maintenance practices will contribute to the efficient and safe operation of the truck’s fluid systems.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has established a strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the rigorous demands of commercial trucking. Cummins is committed to innovation and sustainability, continually advancing its technologies to improve efficiency and reduce environmental impact.

Cummins Part 2870878 Flexible Hose Compatibility

The Cummins part 2870878 Flexible Hose is designed to fit seamlessly with a variety of engine models, ensuring reliable performance and durability. This part is engineered to meet the specific needs of the following engines:

Cummins K Series Engines

• K19
• K38
• K50

The K Series engines are known for their robust construction and efficiency, making them suitable for a range of applications. The Cummins part 2870878 Flexible Hose is tailored to fit these engines, providing a secure and flexible connection that can withstand the rigors of continuous operation.

Cummins N Series Engines

• N14 MECHANICAL

The N14 MECHANICAL engine is a high-performance model that offers excellent power and reliability. The part 2870878 Flexible Hose is specifically designed to integrate with the N14 MECHANICAL, ensuring optimal fluid flow and minimizing the risk of leaks or failures.

Cummins V Series Engines

• V28

The V28 engine is part of the versatile V Series lineup, known for its adaptability and efficiency. The Cummins part 2870878 Flexible Hose is engineered to fit the V28, providing a critical connection that supports the engine’s performance and longevity.

Cummins NH/NT Series Engines

• NH/NT 855

The NH/NT 855 engine is a robust and dependable model, often used in heavy-duty applications. The part 2870878 Flexible Hose is designed to fit this engine, ensuring a reliable and flexible connection that can endure the demanding conditions of its use.

Each of these engines benefits from the precise engineering of the Cummins part 2870878 Flexible Hose, which is crafted to provide a secure and flexible connection, enhancing the overall performance and reliability of the engine.

Role of Part 2870878 Flexible Hose in Engine Systems

The part 2870878 Flexible Hose is integral to the efficient operation of various engine systems. It facilitates the connection between different components, ensuring a seamless flow of fluids and gases essential for engine performance.

Fuel System Integration

In the fuel system, the Flexible Hose connects the fuel block adapter to the fuel filter plumbing. This connection is vital for maintaining a consistent fuel supply to the engine. It also interfaces with the fuel system accessories, allowing for the incorporation of additional components such as the fuel water separator. This ensures that the fuel delivered to the engine is clean and free of contaminants.

Lubrication System Functionality

Within the engine lubrication system, the Flexible Hose plays a key role in linking the engine lubrication primer to the lubrication mounting components. This ensures that the lubrication system can effectively distribute oil throughout the engine, reducing friction and wear on moving parts. The hose also connects to the sump pump plumbing, facilitating the return of used oil to the sump for recirculation.

Turbocharger and Scavenge System

For turbocharged engines, the Flexible Hose is used in the turbocharger plumbing to manage the flow of exhaust gases that drive the turbine. It also connects to the scavenge system, ensuring that any residual gases are efficiently removed from the engine compartment.

Primer and Mounting Applications

The Flexible Hose is employed in the primer engine system, connecting the primer to its mounting components. This setup ensures that the primer can effectively pressurize the fuel system before engine start-up. Additionally, it interfaces with the primer mounting and pump components, enhancing the overall reliability of the priming process.

Spares and Kit Applications

In spares kits and engine spares kits, the Flexible Hose is included to provide a versatile solution for various plumbing needs. Whether it’s for railcar installation or general engine maintenance, this hose offers the flexibility required to adapt to different engine configurations and arrangements.

Comprehensive System Support

Overall, the part 2870878 Flexible Hose supports a wide array of engine systems by providing durable and flexible connections. Its application across fuel, lubrication, turbocharger, and priming systems underscores its importance in maintaining the operational integrity of complex engine arrangements.

Conclusion

The Cummins Flexible Hose Part #2870878 is a critical component in the efficient operation of commercial truck systems. Its robust design, flexible nature, and precise engineering make it an essential part for ensuring reliable fluid transfer in various engine systems. Regular maintenance and proper installation are key to maximizing the performance and longevity of this part, contributing to the overall efficiency and safety of truck operations.