2870343
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$129.95 $154.64

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 2870343 Flexible Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s system, contributing to the overall operation and efficiency of the vehicle. Understanding its purpose and significance can help in maintaining the truck’s performance and reliability.

Basic Concepts of Flexible Hoses

Flexible hoses are used in various automotive systems to transfer fluids or gases. They are designed to provide a flexible connection between rigid components, accommodating movement and vibration that occur during operation. In automotive applications, flexible hoses are commonly used for fuel lines, coolant systems, brake lines, and pneumatic systems. Their ability to bend and flex without kinking or breaking ensures a consistent flow of fluids or gases, which is vital for the proper functioning of these systems 1.

Purpose of the Cummins 2870343 Flexible Hose

The Cummins 2870343 Flexible Hose is specifically designed to connect certain systems within a truck, facilitating the transfer of fluids or gases. It plays a role in ensuring that these systems operate efficiently by providing a reliable and flexible connection that can withstand the dynamic conditions of truck operation. The hose is engineered to handle specific types of fluids or gases, contributing to the overall functionality of the truck’s systems 2.

Key Features

The Cummins 2870343 Flexible Hose boasts several key features that enhance its performance and longevity. These include a material composition that offers resistance to wear, corrosion, and temperature extremes. Its flexibility allows it to accommodate the movement and vibration inherent in truck operation, while its durability ensures a long service life. The hose is also designed with specific specifications to ensure it fits correctly within the truck’s system, providing a secure and efficient connection 3.

Benefits

The use of the Cummins 2870343 Flexible Hose offers several benefits. It contributes to improved system reliability by providing a consistent and secure connection between components. The hose’s design reduces the risk of leaks, which can be a common issue with rigid connections. Its flexibility allows for more efficient routing within the truck’s system, accommodating the space constraints and movement that occur during operation. Overall, the hose enhances the efficiency and safety of the truck’s operation by ensuring that fluids or gases are transferred reliably and without interruption 4.

Installation Considerations

Proper installation of the Cummins 2870343 Flexible Hose is important to ensure its correct fit and function within the truck’s system. Best practices include ensuring that the hose is routed without kinks or sharp bends, which can restrict flow or cause damage. It is also important to secure the hose properly to prevent movement that could lead to wear or disconnection. Potential challenges during installation may include fitting the hose in tight spaces or ensuring a leak-free connection, which requires careful attention to detail and the use of appropriate tools and techniques 5.

Troubleshooting Common Issues

Common issues that may arise with flexible hoses include leaks, wear, or kinks. These problems can often be identified through regular inspection and maintenance. Troubleshooting steps may involve checking for signs of wear or damage, ensuring that connections are secure, and verifying that the hose is routed correctly without kinks or sharp bends. Addressing these issues promptly can help prevent more serious problems and ensure the continued reliability of the truck’s systems 6.

Maintenance Tips

Regular maintenance of the Cummins 2870343 Flexible Hose is important to ensure its ongoing performance and safety. This includes routine inspections to check for signs of wear, damage, or leaks. Cleaning the hose as part of regular system maintenance can also help prevent buildup that could affect its performance. When considering replacement, it is important to follow manufacturer recommendations and use genuine parts to ensure compatibility and reliability 7.

Compatibility with Cummins Engines

The Cummins Flexible Hose 2870343 is engineered to fit seamlessly with several Cummins engine models. Its design allows it to connect various fluid lines, ensuring a secure and leak-free interface. Here are the engines and engine groups where this part is applicable:

  • K19 Engine Series

    • The K19 engine series benefits from the flexibility and reliability of the 2870343 hose. This part is crucial in maintaining the integrity of fluid pathways, reducing the risk of leaks and ensuring optimal engine performance.
  • Other Cummins Engine Models

    • Beyond the K19 series, the 2870343 hose is also compatible with a range of other Cummins engines. Its universal design allows it to be used in various applications, from industrial to heavy-duty transport engines.

Installation and Usage

When installing the Cummins Flexible Hose 2870343, it is essential to follow proper procedures to ensure a secure fit. This includes:

  • Proper Sizing: Ensuring the hose is the correct size for the specific engine application.
  • Secure Connections: Using appropriate clamps and fittings to prevent disconnections during operation.
  • Regular Inspections: Conducting routine checks for wear and tear to maintain the hose’s integrity and performance.

Role of Part 2870343 Flexible Hose in Engine Systems

Part 2870343 Flexible Hose is integral to the efficient operation of various engine systems. It facilitates the seamless transfer of fluids and gases between different components, ensuring optimal performance and safety.

Fuel System Integration

In the fuel system, the Flexible Hose connects the fuel tank to the fuel filter and other accessories. This connection allows for the smooth flow of fuel from the tank to the engine, accommodating the natural vibrations and movements of the vehicle without compromising the fuel supply.

Plumbing and MTG (Mounting) Applications

For plumbing applications, the Flexible Hose is used to connect various fluid lines within the engine compartment. Its flexibility is particularly beneficial in MTG (Mounting) scenarios where rigid hoses might fail due to the constant movement and stress.

AMOT (Automatic Motion and Operation Technology) Safety Control

In systems utilizing AMOT safety controls, the Flexible Hose plays a key role in maintaining the integrity of fluid lines. It ensures that the automatic systems can operate without interruption, adapting to the dynamic environment of the engine bay.

Overall System Reliability

By providing a durable yet flexible connection between components, Part 2870343 enhances the reliability of the entire engine system. Its ability to withstand pressure fluctuations and environmental conditions makes it a valuable component in ensuring consistent engine performance.

Conclusion

The Cummins 2870343 Flexible Hose is a vital component in the operation of commercial trucks, ensuring the efficient transfer of fluids and gases within the engine system. Its design, featuring resistance to wear, corrosion, and temperature extremes, along with its flexibility and durability, contributes to the overall reliability and safety of the vehicle. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential to maximize the performance and longevity of this part. By understanding and utilizing the Cummins 2870343 Flexible Hose effectively, truck operators can enhance the efficiency and safety of their vehicles.


  1. The Automotive Transmission Book Powertrain, Robert Fischer, Ferit Kucukay, Gunter Jurgens, Rolf Najork, and Burkhard Pollak, Springer, 2015

  2. Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems, Owen C Duffy and Gus Wright, Jones Bartlett Learning, 2016

  3. Handbook of Diesel Engines, Klaus Mollenhauer and Helmut Tschoeke, Springer, 2010

  4. Gasoline Engine Management Systems and Components, Konrad Reif Ed, Springer Vieweg, 2015

  5. X15 CM2450 X124B - Efficiency Series, Service Manual (5504583)

  6. The Automotive Transmission Book Powertrain, Robert Fischer, Ferit Kucukay, Gunter Jurgens, Rolf Najork, and Burkhard Pollak, Springer, 2015

  7. Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems, Owen C Duffy and Gus Wright, Jones Bartlett Learning, 2016

SPECIFICATIONS

Package Dimensions
20.1 x 1.0 x 1.0 in
Weight
0.27 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.