2870411
Flexible Hose
Cummins®

The Cummins 2870411 Flexible Hose is a specialized component designed for use in commercial truck operations. Its purpose is to facilitate the transfer of fluids within the truck’s systems, ensuring efficient and reliable performance. This hose is integral to maintaining the operational integrity of various truck systems by providing a flexible and durable connection between components.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in automotive and industrial systems to convey fluids such as coolant, fuel, oil, and hydraulic fluids. They are designed to offer flexibility, allowing them to accommodate movement and vibration without compromising the flow of fluids. Flexible hoses are essential in systems where rigid pipes cannot be used due to the dynamic nature of the equipment. They are typically made from a combination of rubber, synthetic materials, and reinforcing fibers to ensure durability and flexibility ¹.

Purpose of the 2870411 Flexible Hose

The Cummins 2870411 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is commonly used in fuel systems, where it connects the fuel tank to the engine or other components, ensuring a consistent and uninterrupted flow of fuel. This hose is designed to withstand the pressures and temperatures associated with fuel transfer, contributing to the overall efficiency and reliability of the truck’s fuel system ².

Key Features

The Cummins 2870411 Flexible Hose boasts several key features that enhance its performance and durability. These include:

• Material Composition: The hose is constructed from high-quality synthetic rubber and reinforced with textile or wire spirals to provide strength and flexibility.
• Flexibility: The hose’s design allows it to bend and move without kinking or restricting fluid flow, which is vital in the dynamic environment of a commercial truck.
• Durability: The materials used in the hose’s construction are resistant to wear, abrasion, and chemical degradation, ensuring a long service life.
• Design Specifications: The hose is engineered to meet specific pressure and temperature ratings, ensuring it can handle the demands of commercial truck applications ³.

Benefits

Using the Cummins 2870411 Flexible Hose offers several advantages in truck operations:

• Improved Performance: The hose’s design ensures a smooth and consistent flow of fluids, contributing to the efficient operation of the truck’s systems.
• Longevity: The durable construction of the hose means it can withstand the rigors of commercial use, reducing the need for frequent replacements.
• Reliability: The hose’s ability to flex and move with the truck’s components ensures a reliable connection, minimizing the risk of leaks or failures.

Installation Considerations

When installing the Cummins 2870411 Flexible Hose, it is important to follow guidelines and best practices to ensure proper function and longevity:

• Fittings: Ensure that the hose is compatible with the fittings and connections in the truck’s system.
• Routing: Route the hose away from sharp edges, moving parts, and high-temperature areas to prevent damage.
• Securement: Use appropriate clamps and supports to secure the hose in place, ensuring it does not rub against other components.
• Inspection: Before use, inspect the hose for any signs of damage or wear that could affect its performance.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, and degradation. To address these issues:

• Leaks: Inspect the hose and connections for signs of wear or damage. Replace any compromised sections and ensure fittings are tight.
• Kinks: Check the hose routing to ensure it is not bent or twisted. Re-route if necessary to avoid kinks.
• Degradation: Regularly inspect the hose for signs of wear, cracking, or chemical damage. Replace the hose if any degradation is detected.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 2870411 Flexible Hose, follow these maintenance practices:

• Regular Inspections: Conduct routine checks for signs of wear, leaks, or damage.
• Cleaning: Keep the hose clean and free from debris that could cause abrasion or damage.
• Replacement: Replace the hose according to the manufacturer’s recommendations or if any significant wear or damage is detected.

Safety Precautions

When handling, installing, or maintaining the Cummins 2870411 Flexible Hose, observe the following safety measures:

• Personal Protective Equipment (PPE): Wear appropriate PPE, including gloves and safety glasses, to protect against chemical exposure and physical injury.
• System Pressure: Ensure the system is depressurized before working on the hose to prevent injury from pressurized fluid.
• Chemical Handling: Handle any chemicals or fluids with care, following proper disposal and handling procedures to avoid environmental contamination and personal injury.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions systems. With a history spanning over a century, Cummins is renowned for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes engines for on-highway and off-highway applications, as well as components and technologies that enhance the performance and efficiency of commercial vehicles. Cummins’ reputation in the commercial truck industry is built on its dedication to providing reliable, high-performance solutions that meet the demanding needs of its customers.

Cummins Flexible Hose Part 2870411 Compatibility with Engine Models

The Cummins Flexible Hose part number 2870411 is designed to fit seamlessly with a variety of engine models, ensuring optimal performance and durability. This part is engineered to meet the rigorous demands of heavy-duty applications, providing reliable connections in various engine configurations.

Cummins 6B5.9 and 6C8.3 Engines

The 6B5.9 and 6C8.3 engines are part of Cummins’ robust lineup, known for their power and efficiency. The flexible hose part 2870411 is specifically designed to interface with these engines, ensuring a secure and flexible connection that can withstand the high pressures and temperatures typical of these models.

Cummins K19 and K38 Engines

The K19 and K38 engines are another set of Cummins’ offerings that benefit from the use of the part 2870411. This flexible hose is engineered to provide a reliable connection in these engines, accommodating the unique design and operational requirements of the K series.

Cummins N14 G Engine

The N14 G engine, a staple in many heavy-duty applications, is also compatible with the part 2870411. This flexible hose ensures that the engine operates smoothly, withstanding the stresses of continuous use and providing a durable connection that can endure the demanding conditions of its environment.

Cummins NH/NT 855 Engines

The NH/NT 855 engines are known for their versatility and power, making them a popular choice in various industries. The Cummins Flexible Hose part 2870411 is designed to fit these engines, ensuring a secure and flexible connection that can handle the high demands placed on these models.

Each of these engines, while differing in specific design and application, shares a common need for reliable and durable connections. The part 2870411 is engineered to meet these needs, providing a flexible and secure connection that enhances the overall performance and longevity of the engine.

Role of Part 2870411 Flexible Hose in Engine Systems

The Part 2870411 Flexible Hose is an integral component in various engine systems, facilitating the efficient transfer of fluids and gases under varying conditions. Its applications span across multiple systems, enhancing functionality and reliability.

Radiator Plumbing and Cooling System

In the radiator plumbing and cooling system, the flexible hose connects the radiator to the engine block and other components of the cooling system. This ensures a consistent flow of coolant, which is essential for maintaining optimal engine temperature. The hose’s flexibility accommodates the vibrations and movements inherent in engine operation, reducing the risk of leaks and failures.

Fuel System

Within the fuel system, particularly in diesel engines like the PHE Diesel, the flexible hose plays a significant role in the fuel transfer process. It connects the fuel pump to the fuel injectors, ensuring a steady supply of fuel under pressure. The hose’s flexibility is vital in absorbing the pulsations from the fuel pump, thereby protecting the integrity of the fuel lines and connections.

Heat Exchanger and Expansion Tank

The flexible hose is also utilized in the heat exchanger and expansion tank setups. It connects the heat exchanger to the radiator and the expansion tank to the cooling system. This setup allows for the safe expansion and contraction of coolant as it heats up and cools down, preventing overflow and maintaining system pressure.

Vent and Engine Coolant Systems

In vent and engine coolant systems, the flexible hose is employed to manage the release of gases and pressure. It connects the vent to the engine coolant system, allowing for the safe discharge of excess pressure and gases. This is particularly important in preventing system overpressure, which could lead to component failure.

Radiator and Plumbing Connections

The flexible hose is essential in radiator and plumbing connections, providing a durable link between the radiator and other components such as the radiator connection and plumbing. Its flexibility ensures that these connections remain intact despite the engine’s dynamic movements.

Spares Kit and System Integration

In spares kits and overall system integration, the flexible hose is a versatile component. It is often included in spares kits due to its frequent use and susceptibility to wear and tear. Its integration into various systems underscores its importance in maintaining the fluid dynamics necessary for engine performance and longevity.

Conclusion

The Cummins 2870411 Flexible Hose is a critical component in the efficient operation of commercial trucks. Its design, featuring high-quality materials and flexibility, ensures reliable fluid transfer across various engine systems. Proper installation, maintenance, and adherence to safety precautions are essential to maximize its performance and longevity. Cummins’ commitment to quality and innovation is evident in the design and functionality of this part, making it a valuable asset in heavy-duty applications.