3639860
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$299.95 $356.94

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 3639860 Flexible Hose is a component designed for use in commercial truck operations. It serves a specific function within the truck’s system, contributing to the efficient and safe transfer of fluids. Understanding its purpose and significance can help in maintaining the overall performance and reliability of commercial trucks.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in various automotive and industrial applications to transport fluids such as coolant, fuel, oil, and air. They are designed to accommodate movement and vibration, which are common in vehicle operations. Flexible hoses function by providing a durable yet adaptable connection between fixed points in a system, allowing for the smooth transfer of fluids while withstanding environmental stresses and mechanical wear 1.

Purpose of the Cummins 3639860 Flexible Hose

This part plays a role in connecting different parts of a truck’s fluid transfer system. It is involved in transporting specific fluids, ensuring that they reach their intended destinations within the truck’s engine or other systems. This hose is engineered to handle the dynamic conditions present in commercial truck operations, providing a reliable connection that can flex and move with the truck’s components.

Key Features

The Cummins 3639860 Flexible Hose is characterized by several features that enhance its performance and longevity. It is made from materials that offer flexibility and durability, allowing it to withstand the pressures and temperatures associated with fluid transfer in commercial trucks. Its design includes specifications that ensure a secure fit and efficient operation within the truck’s system.

Benefits of Using the Cummins 3639860 Flexible Hose

Utilizing this Cummins part offers several advantages. Its flexibility allows for movement and vibration absorption, reducing the risk of damage to the hose or connected systems. The hose’s resistance to wear and tear contributes to its longevity, while its design enhances safety and efficiency in fluid transfer operations.

Installation Considerations

When installing the Cummins 3639860 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes using the necessary tools, adhering to step-by-step installation procedures, and verifying that all connections are tight and secure. Proper installation is key to the hose’s performance and the overall reliability of the truck’s fluid transfer system.

Troubleshooting Common Issues

Flexible hoses, including the Cummins 3639860, may encounter issues such as leaks or degradation over time. Identifying these problems early and applying the appropriate methods for diagnosis and resolution can help maintain the hose’s integrity and the truck’s operational efficiency. Regular inspections and timely repairs or replacements are recommended to address common issues.

Maintenance Tips

To prolong the life of the Cummins 3639860 Flexible Hose, regular maintenance practices are advised. This includes scheduling inspections to check for signs of wear, performing cleaning procedures as needed, and monitoring the hose’s condition to determine when replacement might be necessary. Adhering to these maintenance tips can help ensure the hose continues to function effectively within the truck’s system.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its wide range of products and strong reputation. With a history of innovation and quality, Cummins offers a variety of components and systems designed to enhance the performance and reliability of commercial vehicles. The company’s commitment to excellence is reflected in its products, including the Cummins 3639860 Flexible Hose 2.

Cummins Part 3639860 Flexible Hose Compatibility

This Cummins part is designed to be compatible with a range of Cummins engines, ensuring seamless integration and reliable performance. It is engineered to fit various engine models, providing flexibility and durability in demanding applications.

K50 Engines

For the K50 engines, the 3639860 Flexible Hose is specifically designed to connect critical fluid systems within the engine. Its flexibility allows it to accommodate the movements and vibrations inherent in engine operation, reducing the risk of leaks and ensuring consistent performance.

QSK19 and CM850 Engines

In the QSK19 and CM850 engines, the 3639860 Flexible Hose is utilized to connect the engine’s cooling system components. This includes linking the radiator to the water pump and other critical points, ensuring efficient heat dissipation and maintaining optimal engine temperature.

MCRS Engines

The MCRS engines also benefit from the 3639860 Flexible Hose, which is used to connect various fluid lines within the engine. Its design allows for easy installation and maintenance, ensuring that the engine operates smoothly and efficiently.

Grouping for Efficiency

When considering the K50, QSK19, CM850, and MCRS engines together, the 3639860 Flexible Hose is engineered to meet the specific needs of each engine type while providing a common solution for fluid system connections. This approach enhances efficiency in maintenance and repair processes, as technicians can use a single part across multiple engine models.

Role of Part 3639860 Flexible Hose in Engine Systems

This part is an integral component in various engine systems, facilitating the efficient transfer of fluids and gases between different parts. Its application spans across several key components, ensuring seamless operation and performance.

Drive System

In the drive system, the Flexible Hose is utilized to connect the engine to the transmission. This connection allows for the transfer of power from the engine to the wheels, enabling the vehicle to move. The hose’s flexibility accommodates the movement and vibrations inherent in the drive system, ensuring a durable and reliable connection.

Fan System

Within the fan system, the Flexible Hose plays a significant role in managing the airflow required for engine cooling. It connects the fan to the engine, allowing the fan to draw in air and direct it over the engine components. This helps in dissipating heat, maintaining optimal engine temperature, and preventing overheating.

Fan Hub Mounting

The Flexible Hose is also employed in the fan hub mounting system. Here, it connects the fan hub to the engine, ensuring that the fan operates efficiently. The hose’s flexibility allows for adjustments and movements, which are essential for the proper functioning of the fan hub and the overall cooling system.

Filter System

In the filter system, the Flexible Hose is used to connect the air filter to the engine intake. This connection ensures that clean air is drawn into the engine, free from contaminants that could otherwise damage the engine components. The hose’s flexibility accommodates the various movements and vibrations within the engine compartment, maintaining a secure and efficient connection.

Fuel System

Lastly, in the fuel system, the Flexible Hose is utilized to connect the fuel tank to the engine. This connection ensures a steady and reliable supply of fuel to the engine, which is essential for combustion and engine operation. The hose’s flexibility allows it to withstand the pressure and movements associated with fuel transfer, ensuring a consistent and efficient fuel delivery system.

Conclusion

The Cummins 3639860 Flexible Hose is a vital component in the fluid transfer systems of commercial trucks, offering flexibility, durability, and efficient performance. Its compatibility with various Cummins engines and its role in critical engine systems underscore its importance in maintaining the reliability and efficiency of commercial vehicles. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Shashank Arora, Alireza Tashakori Abkenar, and Shantha Gamini Jayasi, Heavyduty Electric Vehicles: From Concept to Reality, Elsevier, 2021.

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

SPECIFICATIONS

Package Dimensions
80.0 x 5.0 x 2.0 in
Weight
0.8 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.