3899972
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$319.95 $380.74

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 3899972 Flexible Hose is a component designed for use in commercial truck operations. It serves a specific function within the truck’s system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance can help in maintaining and optimizing truck performance.

Basic Concepts of Flexible Hoses

Flexible hoses are used in various automotive systems to connect different components. They are designed to accommodate movement and vibration, which are common in vehicle operations. These hoses allow for the transfer of fluids, gases, or other materials between parts that may not be fixed in position relative to each other. Their flexibility helps in reducing stress on the connections, which can prolong the lifespan of the system 1.

Purpose of the 3899972 Flexible Hose

The Cummins 3899972 Flexible Hose is employed in truck systems to connect specific components, facilitating the transport of fluids. It plays a role in ensuring that the fluids move efficiently between parts that may experience relative motion. This hose is integral to maintaining the functionality of the systems it serves, ensuring that fluid transfer is smooth and uninterrupted 2.

Key Features

The Cummins 3899972 Flexible Hose is characterized by several features that enhance its performance. It is made from materials that offer flexibility and durability, allowing it to withstand the rigors of commercial truck use. The design specifications of this hose include considerations for the environments in which it operates, ensuring it can handle the pressures and temperatures encountered in truck systems 3.

Benefits

Using the Cummins 3899972 Flexible Hose provides several advantages. It contributes to improved system efficiency by ensuring a reliable fluid transfer. The flexibility of the hose reduces the risk of leaks that might occur with rigid connections. Additionally, its durable construction enhances the longevity of the hose, making it a cost-effective solution for truck maintenance 4.

Installation Considerations

When installing the Cummins 3899972 Flexible Hose, it is important to follow guidelines to ensure proper function. This includes aligning the hose correctly with the components it connects and securing it in place to prevent movement that could lead to wear or damage. Compatibility with the truck’s existing systems should also be confirmed to ensure seamless integration 1.

Troubleshooting Common Issues

Flexible hoses, including the Cummins 3899972, may encounter issues such as leaks, kinks, or degradation over time. Identifying these problems early can help in maintaining the hose’s performance. Troubleshooting steps may involve inspecting the hose for signs of wear, ensuring it is properly aligned and secured, and replacing it if necessary to prevent system failures 2.

Maintenance Tips

Regular maintenance of the Cummins 3899972 Flexible Hose is key to its longevity and reliable performance. This includes periodic inspections for signs of wear or damage, cleaning the hose as needed, and replacing it according to manufacturer guidelines or when signs of degradation are observed. Adhering to these practices can help in preventing unexpected failures and ensuring the hose continues to function effectively 3.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its wide range of products that include engines, filtration systems, and aftermarket parts. With a history of innovation and quality, Cummins has built a reputation for reliability and performance in the trucks it serves. The company’s commitment to excellence is reflected in its products, including the Cummins 3899972 Flexible Hose 4.

Role of Part 3899972 Flexible Hose in Engine Systems

The part 3899972 Flexible Hose is an essential component in the efficient operation of various engine systems. It is specifically designed to provide a reliable and durable connection between different parts within the engine, ensuring optimal performance and longevity.

Injector Plumbing

In the context of injector plumbing, the Flexible Hose facilitates the transfer of fuel from the fuel rail to the injectors. This hose must withstand high pressure and temperature fluctuations, ensuring a consistent fuel supply to the injectors. Its flexibility allows it to accommodate the movement and vibrations inherent in engine operation, reducing the risk of leaks and maintaining fuel system integrity 1.

Oil Control Valve (OCV) System

When integrated into the Oil Control Valve (OCV) system, the Flexible Hose plays a significant role in managing oil flow to various engine components. The OCV system relies on precise oil delivery to regulate valve timing and enhance engine performance. The Flexible Hose ensures that oil is delivered efficiently, even under varying engine loads and speeds, contributing to the overall stability and efficiency of the OCV system 2.

General Engine Plumbing

Beyond specific systems, the Flexible Hose is widely used throughout general engine plumbing. It connects various components such as sensors, actuators, and other auxiliary parts. Its role here is to provide a secure and flexible connection that can endure the dynamic environment of the engine bay. This ensures that all connected parts receive the necessary fluids or signals without interruption, supporting the engine’s overall performance and reliability 3.

Performance Enhancement

The use of the Flexible Hose in these systems directly contributes to engine performance. By ensuring secure and efficient fluid transfer, it helps maintain consistent pressure and flow rates, which are vital for the engine’s optimal operation. This reliability in fluid dynamics allows the engine to perform at its best, whether under normal driving conditions or more demanding scenarios 4.

Conclusion

The Cummins 3899972 Flexible Hose is a versatile and indispensable component in modern engine systems. Its ability to provide durable, flexible connections enhances the efficiency and reliability of critical engine functions, ultimately contributing to superior performance and longevity.


  1. Maclaurin, Bruce. High Speed Off-Road Vehicles. Wiley, 2018.

  2. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

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

  4. Williams, Daniel. Generalized Vehicle Dynamics. SAE International, 2022.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
16.0 x 2.0 x 1.0 in
Weight
0.64 lbs
* 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.