3639649
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$749.95 $892.44

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 3639649 Flexible Hose is a component designed for use in commercial truck operations. It serves a specific function within the truck’s systems, facilitating the transfer of fluids or gases. Understanding its purpose and significance can help maintain the efficiency and reliability of truck operations.

Basic Concepts of Flexible Hoses

Flexible hoses are used in various automotive systems to transfer fluids or gases between components. They are designed to accommodate movement and vibration, which rigid hoses cannot, thus reducing the risk of leaks and system failures. Flexible hoses are integral to maintaining the integrity of fluid and gas transfer systems in vehicles 1.

Purpose of the Cummins 3639649 Flexible Hose

The Cummins 3639649 Flexible Hose is employed in truck systems to connect different components, allowing for the transfer of specific fluids or gases. It plays a role in ensuring that these substances are conveyed efficiently between parts of the system, contributing to the overall operation of the truck.

Key Features

The Cummins 3639649 Flexible Hose is characterized by several features that enhance its performance. These include its material composition, which is designed for durability and resistance to the substances it transfers. Its flexibility allows it to accommodate the movement and vibration inherent in truck operations, while its design specifications ensure a secure fit and long-lasting use 2.

Benefits

The Cummins 3639649 Flexible Hose offers several advantages over rigid hoses. Its flexibility reduces the transmission of vibration, which can lead to fewer leaks and a more stable system. Additionally, its durable construction enhances longevity, and its design facilitates ease of installation, making it a practical choice for truck maintenance and repair 3.

Installation Considerations

Proper installation of the Cummins 3639649 Flexible Hose involves several steps and considerations. It is important to use the necessary tools and follow a specific procedure to ensure a secure and effective connection. Common pitfalls, such as improper alignment or over-tightening, should be avoided to prevent damage to the hose or the connected systems.

Troubleshooting Common Issues

Flexible hoses, including the Cummins 3639649, may encounter issues such as leaks, kinks, or degradation over time. Identifying these problems early and applying the appropriate troubleshooting steps can help resolve issues and maintain the hose’s functionality. Regular inspections and understanding the signs of wear can aid in quickly addressing potential problems.

Maintenance Tips

Regular maintenance of the Cummins 3639649 Flexible Hose is key to ensuring its optimal performance and longevity. This includes periodic inspections for signs of wear or damage, cleaning as necessary, and knowing when to consider replacement. Adhering to these maintenance practices can help prevent unexpected failures and extend the hose’s service life.

About Cummins

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to quality and innovation. With a broad product range that includes engines, filtration systems, and aftermarket parts, Cummins has established a reputation for reliability and performance. The company’s history of excellence and dedication to advancing technology underscores its position in the market.

Role of Part 3639649 Flexible Hose in Engine Systems

The part 3639649 Flexible Hose is integral to the efficient operation of various engine systems, particularly in the context of primer and engine lubricating components.

Primer System Integration

In the primer system, the flexible hose facilitates the transfer of fuel from the primer bulb to the carburetor. This ensures a consistent and reliable fuel supply during engine start-up, which is essential for smooth and efficient engine ignition. The flexibility of the hose allows it to accommodate the movements and vibrations inherent in engine operation, maintaining a secure and leak-free connection between the primer bulb and the carburetor.

Engine Lubricating System Functionality

Within the engine lubricating system, the flexible hose plays a significant role in transporting lubricant from the oil reservoir to various engine components that require lubrication. This includes critical parts such as the crankshaft, camshaft, and pistons. The hose’s flexibility ensures that it can navigate the complex routing required to reach these components, while its durable construction withstands the pressure and temperature variations within the lubricating system. This reliable transport of lubricant is vital for reducing friction, wear, and heat, thereby enhancing the overall performance and longevity of the engine.

Conclusion

The Cummins 3639649 Flexible Hose is a vital component in the operation of commercial trucks, particularly in the primer and engine lubricating systems. Its flexibility, durability, and ease of installation make it a practical choice for maintaining the efficiency and reliability of truck operations. Regular maintenance and proper installation are essential to ensure the longevity and optimal performance of this part.


  1. Mollenhauer, Klaus, and Helmut Tschoeke. Handbook of Diesel Engines. Springer, 2010.

  2. Khajepour, Amir. Synthesis Lectures on Advances in Automotive Technology. Springer, 2023.

  3. Lakshminarayanan, P. A., and Avinash Kumar. Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer Nature, 2020.

SPECIFICATIONS

Package Dimensions
56.0 x 13.0 x 5.5 in
Weight
1.706 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.