2870339
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$379.95 $452.14

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 2870339 Flexible Hose is a component designed for use in commercial truck applications. It serves a specific function within the truck’s system, contributing to the efficient operation of various subsystems. Understanding its purpose and significance can help in maintaining and optimizing the performance of commercial trucks.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in automotive and other systems to transfer fluids or gases. They are designed to accommodate movement and vibration, which are common in vehicle operations. Flexible hoses allow for the routing of fluids and gases around obstacles and through spaces where rigid pipes cannot fit. They play a role in ensuring that systems remain connected and functional under varying conditions, such as temperature changes and mechanical stress 1.

Purpose of the Cummins 2870339 Flexible Hose

The Cummins 2870339 Flexible Hose is utilized in the operation of trucks to connect specific systems and transport fluids or gases. It is engineered to link components that may move relative to each other, ensuring a continuous and secure flow path. This hose is part of the system that manages the transfer of substances necessary for the truck’s operation, contributing to the overall functionality and efficiency of the vehicle 2.

Key Features

The Cummins 2870339 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include its material composition, which is selected for durability and resistance to the substances it transports. The hose’s flexibility allows it to bend and move with the truck’s components, while its design elements ensure a secure connection and efficient flow. These features contribute to the hose’s ability to withstand the demands of commercial truck applications 3.

Benefits

The Cummins 2870339 Flexible Hose offers several advantages. It contributes to improved system reliability by providing a flexible connection that can accommodate movement and vibration. This reduces the risk of leaks and disconnections, which can lead to system failures. The hose’s design also allows for more flexible routing of fluids and gases, which can simplify installation and maintenance. Over time, the durability and reliability of this hose can lead to potential cost savings by reducing the need for frequent replacements or repairs 4.

Installation Considerations

When installing the Cummins 2870339 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes using the correct fittings and securing methods to maintain the integrity of the system. Compatibility with existing systems should also be verified to ensure seamless integration and operation 5.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, or degradation over time. To address these issues, it is important to conduct regular inspections and identify signs of wear or damage. Troubleshooting steps may involve replacing worn sections, adjusting the hose to prevent kinks, or addressing leaks with appropriate repairs or replacements 6.

Maintenance Tips

Maintaining the Cummins 2870339 Flexible Hose involves regular inspection intervals to check for signs of wear, damage, or leaks. It is also important to follow best practices for prolonging the service life of the hose, such as avoiding sharp bends and ensuring that it is not subjected to excessive stress or temperature changes beyond its designed limits 7.

Cummins Overview

Cummins Inc. is a well-established company with a history of providing reliable products for the commercial truck industry. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts, and is known for its commitment to quality and innovation. Cummins’ reputation in the industry is built on its ability to deliver durable and efficient solutions for commercial vehicle applications 8.

Cummins Flexible Hose 2870339 Compatibility

The Cummins Flexible Hose part number 2870339 is designed to be compatible with a variety of engine models. This hose is engineered to provide flexibility and durability, ensuring a secure connection between different components within the engine system. Here is an overview of the engine models that this hose fits with:

  • K19 Engine Series: The Cummins Flexible Hose 2870339 is specifically engineered to fit seamlessly within the K19 engine series. This series is known for its robust performance and reliability, making it a popular choice in various industrial and commercial applications.

  • Other Cummins Engines: Beyond the K19 series, this flexible hose is also compatible with a range of other Cummins engines. Its design allows it to adapt to the unique requirements of different engine configurations, ensuring optimal performance and longevity.

When installing the Cummins Flexible Hose 2870339, it is crucial to follow the manufacturer’s guidelines to ensure a proper fit and function. This includes verifying the correct placement and securing the hose with appropriate fasteners to prevent leaks and maintain system integrity.

Role of Part 2870339 Flexible Hose in Engine Systems

Part 2870339 Flexible Hose is integral to the efficient operation of several key components within engine systems. Its primary function is to facilitate the smooth transfer of fluids, ensuring that the engine operates within optimal parameters.

Bypass Return Hose

In the context of the bypass return hose, Part 2870339 Flexible Hose allows for the return of excess oil or fluid from the bypass system back to the sump or reservoir. This ensures that the system maintains a consistent fluid level, preventing overflow and potential damage to engine components. The flexibility of the hose accommodates the dynamic movements and vibrations inherent in engine operation, reducing the risk of leaks or failures.

Filter

When integrated with the filter system, Part 2870339 Flexible Hose plays a role in directing clean fluid from the filter back into the system. This ensures that the filtered fluid reaches its destination without contamination, maintaining the integrity of the filtration process. The hose’s flexibility is particularly beneficial in navigating the often tight and convoluted pathways within the engine compartment, ensuring a secure and efficient connection.

Oil Bypass

In oil bypass applications, Part 2870339 Flexible Hose is responsible for managing the flow of oil that bypasses the main filtration system. This is especially important during engine start-up or in conditions where the filter may be clogged. The hose ensures that oil continues to circulate, providing necessary lubrication to engine components until the filter is operational again. Its durable construction and flexibility help withstand the high pressures and temperatures associated with oil bypass systems.

Conclusion

The Cummins 2870339 Flexible Hose is a vital component in the operation of commercial trucks, providing flexibility, durability, and efficient fluid transfer within engine systems. Its key features and benefits contribute to the overall reliability and performance of the vehicle. Proper installation, regular maintenance, and troubleshooting of common issues are essential to ensure the longevity and effectiveness of this part in commercial truck applications.


  1. Vaclav Smil, The History and Impact of Diesel Engines and Gas Turbines, The MIT Press, 2010.

  2. Michael Hilgers, Fuel Consumption and Consumption Optimization, Second Edition, Springer Nature, 2023.

  3. John Heywood, Internal Combustion Engine Fundamentals, McGraw-Hill Education, 2019.

  4. Meherwan P Boyce, Gas Turbine Engineering Handbook 4th Edition, Butterworth-Heinemann, 2011.

  5. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 4310607, ISL9.5 CM2150 SN.

  6. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 4310607, ISL9.5 CM2150 SN.

  7. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 4310607, ISL9.5 CM2150 SN.

  8. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 4310607, ISL9.5 CM2150 SN.

SPECIFICATIONS

Package Dimensions
11.8 x 11.3 x 2.63 in
Weight
1.75 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.