3640894
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$329.95 $392.64

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

Introduction

The Cummins 3640894 Flexible Hose is a component designed for use in commercial trucks. It serves as a vital link in various systems within these vehicles, facilitating the transfer of fluids necessary for the truck’s operation. This hose is engineered to withstand the demanding conditions encountered in commercial trucking, ensuring reliable performance and longevity.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive and heavy-duty truck systems to connect different components, allowing for the transfer of fluids such as coolant, fuel, and hydraulic fluid. These hoses are designed to accommodate movement and vibration, which are common in vehicle operations. They provide a more durable and flexible alternative to rigid pipes, reducing the risk of breakage and leaks 1.

Purpose of the Cummins 3640894 Flexible Hose

The Cummins 3640894 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is typically used in applications where flexibility and durability are required, such as in the cooling system, fuel lines, or hydraulic systems. The hose ensures that fluids are efficiently transferred between components, contributing to the overall performance and reliability of the truck 2.

Key Features

The Cummins 3640894 Flexible Hose is characterized by several key features that enhance its functionality and durability. These include a robust material composition that resists wear and tear, high flexibility to accommodate movement, and a design that ensures a secure fit within the truck’s systems. The hose is also engineered to withstand a range of operating conditions, from extreme temperatures to high pressure, ensuring consistent performance 3.

Benefits

The advantages of using the Cummins 3640894 Flexible Hose include improved flexibility, which allows it to bend and twist without compromising the flow of fluids. Its resistance to wear and tear ensures a longer service life, reducing the need for frequent replacements. Additionally, the hose’s design enhances performance in various operating conditions, contributing to the overall efficiency and reliability of the truck 4.

Installation Considerations

When installing the Cummins 3640894 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and securement. This includes using the correct fittings, avoiding overtightening to prevent damage, and ensuring compatibility with existing systems. Proper installation is crucial for the hose’s performance and longevity.

Troubleshooting Common Issues

Common problems associated with flexible hoses, such as leaks, kinks, or degradation, can often be addressed through effective troubleshooting. Identifying the source of a leak, checking for obstructions that may cause kinks, and inspecting the hose for signs of wear are important steps in maintaining the hose’s integrity. Regular inspections can help prevent issues before they become critical.

Maintenance Tips

To prolong the lifespan of the Cummins 3640894 Flexible Hose, routine maintenance practices are recommended. This includes regular inspections for signs of wear or damage, cleaning the hose to remove any buildup that could affect performance, and adhering to replacement schedules based on the manufacturer’s guidelines. Proper maintenance ensures the hose continues to function effectively throughout its service life.

Safety Precautions

When working with flexible hoses, observing safety measures is paramount. This includes proper handling techniques to avoid damage, avoiding overtightening during installation, and recognizing signs of potential failure, such as cracks or leaks. Adhering to these precautions helps ensure the safe and effective use of the hose.

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 quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product offerings are designed to meet the demanding requirements of commercial applications, ensuring reliability and performance.

Role of Part 3640894 Flexible Hose in Engine Systems

The part 3640894 Flexible Hose is instrumental in facilitating the smooth operation of various engine components. In systems involving the drive and fan, this hose plays a significant role.

Drive System Integration

In the drive system, the flexible hose is often used to connect the engine to the transmission or other driven components. This connection allows for the transfer of fluids, such as hydraulic oil or coolant, which are essential for the lubrication and cooling of moving parts. The flexibility of the hose accommodates the vibrations and movements inherent in the drive system, ensuring a reliable and uninterrupted flow of fluids. This, in turn, helps maintain optimal performance and longevity of the drive components.

Fan System Application

Within the fan system, the flexible hose is typically employed to route coolant from the engine to the fan housing or radiator. The fan system relies on a consistent supply of coolant to regulate the engine’s temperature, especially under high-load conditions. The hose’s flexibility is particularly beneficial in this application, as it can adapt to the spatial constraints and dynamic movements of the fan assembly. This adaptability ensures that the coolant flow remains steady, even as the fan operates at varying speeds and orientations.

Conclusion

Overall, the Cummins 3640894 Flexible Hose enhances the efficiency and reliability of both the drive and fan systems by providing a durable and flexible solution for fluid transfer. Its design and features make it a critical component in maintaining the performance and longevity of commercial truck engines.


  1. Reif, Konrad Ed. Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer, 2014.

  2. Van Gelder, Kirk T. Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning, 2018.

  3. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  4. Mom, Gijs. The Evolution of Automotive Engineering: A Handbook. SAE International, 2023.

SPECIFICATIONS

Package Dimensions
35.0 x 5.2 x 3.3 in
Weight
0.451 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.