4978593
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$629.95 $749.64

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

The Cummins 4978593 Flexible Hose is a component designed for use in commercial trucks, specifically engineered to integrate with Cummins QSK19 CM850 MCRS and QSK60 CM850 MCRS engines. This part serves as a conduit for various fluids within the vehicle’s systems, facilitating efficient operation and maintenance. It ensures that fluids are transported reliably between different parts of the vehicle, playing a crucial role in the truck’s functionality.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive applications to connect different components within a system, allowing for movement and vibration without compromising the integrity of the fluid pathway. They are typically made from materials that offer flexibility, durability, and resistance to the specific fluids they transport. In a system, flexible hoses provide a dynamic connection that can accommodate the mechanical movements of the vehicle while maintaining a sealed pathway for fluids 1.

Purpose of the 4978593 Flexible Hose

The Cummins 4978593 Flexible Hose is designed to connect specific systems within a truck, transporting fluids such as coolant, fuel, or hydraulic fluid. It maintains the operational efficiency of these systems by providing a flexible yet durable connection that can withstand the dynamic environment of a commercial truck 2.

Key Features

This Cummins part is characterized by several key features that enhance its performance and longevity. These include a material composition that offers resistance to the fluids it transports, flexibility to accommodate movement, durability to withstand environmental factors, and design elements such as reinforced ends for secure fitting and longevity 3.

Benefits

Using the Cummins 4978593 Flexible Hose provides several advantages. Its flexibility allows for better accommodation of the truck’s movements compared to rigid hoses, reducing the likelihood of leaks or failures. It also plays a role in reducing vibration transmission throughout the system, which can lead to less wear on connected components. Additionally, its design offers enhanced resistance to wear and environmental factors, contributing to a longer service life 4.

Installation Considerations

When installing the Cummins 4978593 Flexible Hose, it is important to follow guidelines and best practices to ensure proper function and longevity. This includes using proper fitting techniques to secure the hose ends, employing methods to prevent kinking or twisting, and ensuring compatibility with the truck’s existing systems to maintain fluid integrity and system efficiency.

Troubleshooting and Maintenance

Common issues with flexible hoses may include leaks, wear, or blockages. Diagnosing these problems involves inspecting the hose for signs of damage, ensuring proper installation, and checking for compatibility issues with the system. Maintenance tips to extend the lifespan of the 4978593 Flexible Hose include regular inspection for wear or damage, proper cleaning, and timely replacement when signs of degradation are observed.

Safety Precautions

When working with the Cummins 4978593 Flexible Hose, observing important safety measures is crucial. This includes following handling procedures to avoid damage to the hose, adhering to inspection protocols to identify potential issues before they lead to failure, and following replacement guidelines to ensure safe and effective operation.

Environmental Impact

The use and disposal of the Cummins 4978593 Flexible Hose involve environmental considerations. The materials used in its construction may offer recyclability options, and disposal should comply with environmental regulations to minimize impact. Efforts to reduce waste and promote recycling in the manufacturing and disposal processes are part of responsible environmental management.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history of innovation and a commitment to quality, Cummins serves commercial, industrial, and transportation markets worldwide, providing reliable and efficient power solutions.

Role of Part 4978593 Flexible Hose in Engine Systems

The part 4978593 Flexible Hose is a critical component in the efficient operation of various engine systems, particularly in relation to the fuel and filter components.

In fuel systems, the flexible hose serves as a vital conduit that facilitates the smooth transfer of fuel from the fuel tank to the engine. This transfer is necessary for the engine to function correctly, as it relies on a consistent and uninterrupted fuel supply. The flexibility of the hose allows it to accommodate the vibrations and movements inherent in engine operation, ensuring a secure and reliable connection between the fuel tank and the engine.

In filter systems, the flexible hose plays a significant role in maintaining the integrity and efficiency of the filtration process. It connects the filter to other components within the system, allowing for the passage of fluids that need to be filtered. The flexibility of the hose ensures that it can withstand the pressure changes and movements within the system without compromising the seal or connection, thereby maintaining the effectiveness of the filtration process.

Overall, the part 4978593 Flexible Hose is a key component in ensuring the smooth and efficient operation of engine systems, particularly in relation to fuel and filter components. Its flexibility and durability make it well-suited to handle the demands of engine operation, contributing to the overall performance and reliability of the engine.

Conclusion

The Cummins 4978593 Flexible Hose is an integral component in the operation of commercial trucks, particularly those equipped with Cummins QSK19 CM850 MCRS and QSK60 CM850 MCRS engines. Its design and features ensure efficient fluid transfer, durability, and flexibility to accommodate the dynamic environment of engine operation. Proper installation, maintenance, and adherence to safety precautions are essential to maximize its performance and longevity.


  1. Jazar, R. N. (2017). Vehicle Dynamics: Theory and Application. Springer.

  2. Awari, G. K., Kumbhar, V. S., & Tirpude, R. B. (2011). Automotive Systems Principles and Practice. CRC Press.

  3. Lejda, K., & Wos, P. (2012). Internal Combustion Engines. InTech.

  4. Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.

SPECIFICATIONS

Package Dimensions
23.0 x 1.2 x 1.2 in
Weight
1.25 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.