3641838
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$189.95 $226.04

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

Introduction

The Cummins 3641838 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids within the truck’s operational framework, facilitating the transfer of substances such as coolant, fuel, or hydraulic fluid. This part is integral to maintaining the efficiency and reliability of the truck’s systems by providing a flexible connection that can accommodate movement and vibration inherent in vehicle operation.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized across various automotive systems to connect components that require fluid transfer. Unlike rigid pipes, flexible hoses can bend and twist, which allows them to fit into tight spaces and absorb vibrations, reducing stress on connected parts. They are typically made from a combination of rubber, synthetic materials, and reinforcement fibers to ensure they can withstand pressure, temperature fluctuations, and chemical exposure 1.

Purpose of the Cummins 3641838 Flexible Hose

The Cummins 3641838 Flexible Hose is specifically engineered to connect different systems within a truck, such as the engine to the radiator for coolant flow, or within the fuel system for delivering fuel to the engine. It transports fluids that are vital for the truck’s operation, ensuring that systems receive the necessary substances to function correctly. The hose’s flexibility allows it to maintain a secure connection even as the truck’s components move during operation 2.

Key Features

The Cummins 3641838 Flexible Hose is characterized by its material composition, which typically includes a durable inner layer resistant to the fluids it carries, a reinforcement layer for strength, and an outer layer that protects against environmental factors. Its design incorporates features such as smooth bore for efficient fluid flow, and it may have specific fittings or connectors tailored for the systems it serves. The hose is also designed to meet or exceed industry standards for pressure and temperature ratings 3.

Benefits

The Cummins 3641838 Flexible Hose offers several advantages over rigid hoses. Its flexibility reduces the likelihood of cracks or breaks due to vibration or movement. It is also resistant to wear and tear, which enhances its longevity. The hose’s design contributes to improved system performance by ensuring a consistent and reliable fluid transfer, which is crucial for the truck’s overall efficiency and durability.

Installation Considerations

When installing the Cummins 3641838 Flexible Hose, it is important to follow guidelines to ensure a proper fit and secure connection. This includes using the correct fittings and ensuring that the hose is not twisted or kinked, which could impede fluid flow or cause damage. Careful attention to the manufacturer’s instructions will help maintain the integrity of the hose and the systems it connects.

Maintenance Tips

To maintain the Cummins 3641838 Flexible Hose, regular inspections for signs of wear, such as cracks or leaks, are recommended. Proper cleaning procedures should be followed to remove any contaminants that could affect the hose’s performance. If signs of significant wear are present, or if the hose has reached the end of its service life, it should be replaced to prevent potential system failures.

Troubleshooting Common Issues

Common issues with flexible hoses include leaks, which can often be traced to worn or damaged sections, and kinks, which may occur due to improper installation or movement. Diagnosing these issues involves a visual inspection and, in some cases, pressure testing. Resolving these problems may require repairing or replacing the affected section of the hose to restore proper function.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance and efficiency of commercial vehicles.

Role of Part 3641838 Flexible Hose in Plumbing and Turbocharger Coolant Systems

Plumbing Systems

In plumbing systems, the 3641838 Flexible Hose is instrumental in connecting various components that facilitate the flow of fluids. It is commonly used to link pipes, valves, and fixtures, allowing for the transfer of water, gas, or other fluids. The flexibility of the hose is particularly beneficial in situations where rigid piping cannot accommodate the necessary bends or movements. This adaptability ensures a secure and leak-free connection, maintaining the integrity of the plumbing system. Additionally, the hose’s material is often resistant to corrosion and high pressure, enhancing its durability and reliability in diverse plumbing applications.

Turbocharger Coolant Systems

In turbocharger coolant systems, the 3641838 Flexible Hose plays a significant role in managing the flow of coolant to and from the turbocharger. The turbocharger, which compresses the air entering the engine to improve performance, generates a substantial amount of heat. Efficient cooling is essential to prevent overheating and ensure optimal turbocharger operation. The flexible hose is used to connect the turbocharger to the engine’s coolant system, allowing for the circulation of coolant that absorbs and dissipates heat. Its flexibility is particularly advantageous in navigating the compact and often intricate layout of engine compartments, ensuring a robust and efficient cooling solution.

Conclusion

The Cummins 3641838 Flexible Hose is a vital component in commercial truck systems, providing a flexible and durable solution for fluid transfer across various applications. Its design and material composition ensure reliable performance, while its flexibility accommodates the dynamic nature of vehicle operation. Proper installation, maintenance, and troubleshooting are essential to maximize the benefits of this Cummins part and ensure the continued efficiency and reliability of the truck’s systems.


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

  2. Bonnick, Allan, and Derek Newbold. A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd, 2011.

  3. Bennett, Sean. Modern Diesel Technology: Light Duty Diesels. Cengage Learning, 2012.

SPECIFICATIONS

Package Dimensions
29.0 x 5.0 x 3.0 in
Weight
0.197 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.