3647757
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$459.95 $547.34

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 3647757 Flexible Hose is a vital component in commercial truck systems, designed to facilitate the transfer of various fluids between different parts of the vehicle. This part ensures the operational efficiency and safety of the truck by providing a reliable conduit for fluid transfer.

Basic Concepts of Flexible Hoses

Flexible hoses are essential in automotive systems for connecting rigid pipes and components, accommodating movement and vibration without compromising fluid transfer integrity. They are constructed from materials offering flexibility, durability, and resistance to specific fluids. In automotive applications, flexible hoses are crucial for fuel, coolant, brake, and hydraulic systems, providing a reliable means of fluid transfer in a dynamic vehicle environment 1.

Purpose of the 3647757 Flexible Hose

The Cummins 3647757 Flexible Hose is engineered to connect various systems within a truck, ensuring the smooth transfer of fluids such as coolant, fuel, or hydraulic fluid. It is designed to connect components that may move relative to each other, such as the engine to the radiator in a coolant system, or within the fuel delivery system. The hose’s design allows it to withstand the pressures and temperatures associated with these fluids, contributing to the overall efficiency and reliability of the truck’s systems.

Key Features

The Cummins 3647757 Flexible Hose is characterized by several key features that enhance its performance. These include a material composition that provides resistance to the specific fluids it transports, flexibility to accommodate movement and vibration, durability to withstand operational pressures and temperatures, and design specifications that ensure a secure and leak-free connection. These features collectively contribute to the hose’s reliability and longevity in demanding commercial truck applications.

Benefits

The advantages of the Cummins 3647757 Flexible Hose include improved flexibility, which allows it to accommodate the movement and vibration inherent in truck operations without compromising the fluid transfer. Its resistance to wear and tear, along with its durability, ensures long-term reliability. Additionally, the hose’s design enhances safety and efficiency in fluid transfer, reducing the risk of leaks and system failures.

Installation Considerations

When installing the Cummins 3647757 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and securement. This includes using the correct fittings and securing methods to prevent leaks and ensure compatibility with existing systems. Careful attention to these details during installation contributes to the hose’s performance and longevity.

Troubleshooting Common Issues

Common problems associated with flexible hoses, such as leaks, kinks, and degradation, can often be traced back to installation errors, physical damage, or exposure to harsh conditions. Troubleshooting these issues involves inspecting the hose for signs of wear, ensuring proper installation, and addressing any physical damage promptly. Regular inspections and maintenance can help identify and resolve these issues before they lead to system failures.

Maintenance Tips

To ensure the longevity and reliable performance of the Cummins 3647757 Flexible Hose, regular maintenance practices are recommended. This includes periodic inspections for signs of wear, damage, or leaks, and replacing the hose according to manufacturer guidelines or when signs of degradation are observed. Adhering to these maintenance tips helps maintain the efficiency and safety of the truck’s fluid transfer systems.

Safety Precautions

When working with the Cummins 3647757 Flexible Hose, it is important to observe safety measures to prevent accidents and ensure the hose’s reliable operation. This includes proper handling to avoid damage, avoiding overtightening during installation to prevent leaks, and recognizing signs of potential failure such as swelling, cracking, or leaks. Adhering to these safety precautions contributes to the safe and efficient operation of the truck’s systems.

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, reliability, and customer satisfaction in the commercial truck industry. Its product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of commercial and industrial applications.

Role of Part 3647757 Flexible Hose in Engine Systems

The part 3647757 Flexible Hose is integral to the functionality of various engine systems, ensuring efficient operation and maintenance of essential fluids.

In the Engine Lubricating Primer system, the flexible hose facilitates the transfer of lubricant from the primer to the engine components. This ensures that all moving parts receive adequate lubrication, reducing friction and wear. The hose’s flexibility allows it to navigate the complex pathways within the engine bay, accommodating the dynamic movements and vibrations inherent in engine operation.

Additionally, the flexible hose plays a significant role in the Coolant System. It connects the engine block to the radiator, allowing coolant to circulate and regulate engine temperature. The hose’s durability and flexibility are vital in withstanding the thermal expansion and contraction cycles that occur during engine operation.

In the Fuel System, the flexible hose is used to transport fuel from the tank to the engine. Its role is to provide a secure and leak-free connection, ensuring that fuel is delivered consistently and efficiently to the combustion chambers.

Furthermore, in the Brake System, the flexible hose is employed to connect the brake fluid reservoir to the brake calipers. This ensures that brake fluid is transmitted under pressure, enabling the hydraulic actuation of the brake pads against the rotors.

Overall, the part 3647757 Flexible Hose is a versatile component that enhances the reliability and performance of multiple engine systems by providing flexible, durable, and secure fluid transfer pathways.

Conclusion

The Cummins 3647757 Flexible Hose is a critical component in the engine systems of various Cummins engines, including the QSK38, CM2150, and MCRS. This part ensures efficient operation and longevity by providing flexibility and durability in the engine’s fluid transfer systems. Regular maintenance and adherence to safety precautions are essential to ensure the reliable performance of this component.


  1. Thompson, R. (2019). Automotive Maintenance: Light Repair. Cengage Learning.

* 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.