3920607
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$95.95 $114.18

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 3920607 Flexible Hose is a component designed for use in commercial trucks, manufactured by Cummins Inc. This hose is integral to the operation of trucks, facilitating the transfer of fluids between various systems. Flexible hoses are vital in the automotive industry due to their ability to accommodate movement and vibration, which are common in vehicle operations 1.

Basic Concepts of Flexible Hoses

Flexible hoses are conduits that allow for the transfer of fluids, gases, or even electrical signals within a vehicle. They are designed to withstand pressure, temperature variations, and mechanical stress. In vehicles, flexible hoses connect different components, enabling the flow of essential fluids such as coolant, fuel, and hydraulic fluid. These hoses are typically made from materials like rubber, thermoplastic, or metal, chosen for their flexibility, durability, and resistance to the specific fluids they transport 2.

Purpose of the Cummins 3920607 Flexible Hose

The Cummins 3920607 Flexible Hose serves a specific function in the operation of a truck by connecting systems and transporting fluids. It is designed to link components that require fluid transfer while accommodating the natural movements and vibrations of the vehicle. This hose plays a role in maintaining the integrity of the fluid transfer system by providing a flexible yet durable connection 3.

Key Features

The Cummins 3920607 Flexible Hose incorporates several design elements and construction materials that enhance its performance and durability. It is made from materials that offer resistance to wear and tear, ensuring longevity. The hose’s design includes features that allow for flexibility and movement, essential for withstanding the dynamic conditions within a truck’s engine compartment. Additionally, it may have unique attributes such as reinforced layers or specific fittings that improve its functionality and compatibility with various truck models.

Benefits

Using the Cummins 3920607 Flexible Hose in commercial trucks offers several advantages. Its improved flexibility allows it to accommodate the movements and vibrations inherent in truck operations, reducing the risk of leaks or damage. The hose’s resistance to wear and tear contributes to its durability, making it a reliable component for long-term use. Furthermore, its compatibility with various truck models ensures that it can be used across different applications, providing versatility for fleet managers and maintenance professionals.

Installation Considerations

Proper installation of the Cummins 3920607 Flexible Hose is essential for ensuring optimal performance and safety. Guidelines for installation include selecting the correct fittings and securing methods to maintain the integrity of the fluid transfer system. Attention to detail during installation helps prevent leaks, ensures efficient fluid flow, and prolongs the life of the hose.

Troubleshooting and Maintenance

Common issues with flexible hoses include leaks, cracks, and deterioration due to exposure to elements or mechanical stress. Troubleshooting these issues involves inspecting the hose for signs of wear, ensuring proper installation, and replacing the hose if necessary. Regular maintenance, such as checking for leaks and inspecting the hose’s condition, can help prolong its life and ensure reliable operation.

Safety Precautions

When working with the Cummins 3920607 Flexible Hose, it is important to observe safety measures to prevent accidents and ensure component integrity. This includes using the correct tools for installation and maintenance, following manufacturer guidelines, and wearing appropriate personal protective equipment. Adhering to these safety precautions helps maintain a safe working environment and ensures the hose functions as intended.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins plays a significant role in the automotive industry. The company’s dedication to manufacturing high-quality components is evident in products like the Cummins 3920607 Flexible Hose, which embodies Cummins’ standards for durability, performance, and reliability.

Cummins Flexible Hose 3920607 Compatibility

The Cummins Flexible Hose part number 3920607 is designed to fit seamlessly within the engine systems of various Cummins engine models. This part is engineered to provide flexibility and durability, ensuring efficient operation and longevity in demanding environments.

Engine Compatibility

  • 6B5.9 Series: The 3920607 Flexible Hose is specifically tailored to integrate with the 6B5.9 engine series. Its design accommodates the unique layout and requirements of this engine model, ensuring optimal performance and reliability.

  • Group Integration: The hose is also compatible with other Cummins engine groups that share similar design and operational parameters with the 6B5.9 series. This includes engines that utilize similar fluid transfer systems and require flexible connections to manage thermal expansion and movement.

Installation and Functionality

The 3920607 Flexible Hose is engineered to connect various fluid lines within the engine system, facilitating the transfer of essential fluids such as coolant, oil, and fuel. Its flexibility allows it to withstand the dynamic forces and thermal changes within the engine compartment, preventing leaks and maintaining system integrity.

The hose’s robust construction ensures it can endure the high pressures and temperatures typical of engine environments, providing a reliable connection point that minimizes the risk of failure. This is particularly important in heavy-duty applications where consistent performance is essential.

Role of Part 3920607 Flexible Hose in Engine Systems

The part 3920607 Flexible Hose is integral to the efficient operation of various engine systems. It serves as a vital conduit in the heat exchanger system, facilitating the transfer of coolant between the engine and the heat exchanger. This ensures that the engine maintains optimal operating temperatures, preventing overheating and enhancing performance.

In the context of the heat exchanger, the Flexible Hose allows for the dynamic movement and vibration inherent in engine operation without compromising the integrity of the coolant flow. This flexibility is essential in maintaining a consistent coolant circulation, which is paramount for the engine’s thermal management.

When integrated into the plumbing system, the Flexible Hose provides a robust solution for connecting various components, such as the keel cooler. The keel cooler, which is often used in marine applications to cool the engine using seawater, relies on the Flexible Hose to withstand the corrosive environment while ensuring a secure and leak-free connection.

Overall, the Flexible Hose plays a significant role in enhancing the reliability and efficiency of engine systems by providing a flexible, durable, and secure means of fluid transfer across critical components.

Conclusion

The Cummins 3920607 Flexible Hose is a critical component in the operation of commercial trucks, designed to facilitate the transfer of fluids between various systems. Its flexibility, durability, and compatibility with multiple engine models make it a reliable choice for fleet managers and maintenance professionals. Proper installation, regular maintenance, and adherence to safety precautions are essential to ensure the hose’s optimal performance and longevity.


  1. Quansheng Zhan, Shengbo Eben, Li Kun Deng. Automotive Heating Ventilation and Air Conditioning. Jones Bartlett Learning, 2018.

  2. Jon M. Quigley. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

  3. MJ Nunney. Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann, 2007.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
19.0 x 0.875 x 0.75 in
Weight
0.32 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.