3976565
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$339.95 $404.54

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 3976565 Flexible Hose is a component designed for use in commercial truck systems. It serves as a vital link in various fluid transfer systems within these vehicles, ensuring efficient and reliable operation. This hose is engineered to withstand the demanding conditions encountered in commercial trucking, providing a flexible yet durable solution for connecting different parts of the truck’s fluid systems.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized across various automotive systems to connect components that require movement or vibration isolation. They are designed to accommodate the dynamic nature of engines and other mechanical systems, allowing for flexibility without compromising the integrity of the fluid transfer. These hoses are typically made from materials that offer resistance to wear, heat, and chemical exposure, ensuring they can endure the harsh environments found in automotive applications 1.

Purpose of the Cummins 3976565 Flexible Hose

The Cummins 3976565 Flexible Hose plays a specific role in the operation of commercial trucks by connecting systems that require fluid transfer. It is commonly used in applications where rigid hoses would not suffice due to the need for flexibility and movement. This hose facilitates the transfer of fluids such as coolant, fuel, or hydraulic fluid between components, ensuring that these systems operate efficiently and without interruption.

Key Features

The Cummins 3976565 Flexible Hose is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that offer excellent resistance to wear and tear, as well as to the chemicals found in the fluids it transports. The design of the hose includes reinforced layers to prevent kinking and ensure a consistent flow of fluids. Additionally, it features secure connection points that are designed to maintain a tight seal, preventing leaks and ensuring the safe transfer of fluids.

Benefits

Using the Cummins 3976565 Flexible Hose offers several advantages. Its flexibility allows for greater movement between connected components, reducing the risk of damage from vibration or shifting. The hose’s resistance to wear and tear, along with its chemical resistance, ensures a longer service life and reduces the need for frequent replacements. Furthermore, the secure connection points and reinforced design contribute to enhanced safety and efficiency in fluid transfer, minimizing the risk of leaks and ensuring consistent system performance.

Installation Considerations

When installing the Cummins 3976565 Flexible Hose, it is important to follow guidelines and best practices to ensure compatibility with other components and to achieve a secure and efficient connection. The installation process may require specific tools and procedures to ensure that the hose is properly fitted and sealed. It is also crucial to verify that the hose is compatible with the fluids it will transport and the systems it will connect to, to prevent any issues with performance or safety 2.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks and kinks. To diagnose and resolve these issues, it is important to regularly inspect the hose for signs of wear, damage, or improper installation. If a leak is detected, the connection points should be checked for tightness, and the hose may need to be replaced if damage is found. Kinks can often be resolved by repositioning the hose to allow for smoother fluid flow, or by replacing the hose if it has become too compromised.

Maintenance Tips

To ensure the longevity and reliable performance of the Cummins 3976565 Flexible Hose, regular maintenance practices should be followed. This includes inspecting the hose for signs of wear or damage at regular intervals, cleaning the connection points to prevent buildup that could lead to leaks, and ensuring that the hose remains properly routed to avoid unnecessary stress or kinking. Adhering to these maintenance tips will help maintain the efficiency and safety of the fluid transfer systems in commercial trucks.

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 a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s products are known for their reliability, efficiency, and durability, making them a preferred choice for commercial vehicle manufacturers and operators worldwide. Cummins’ dedication to advancing technology and improving the performance of its products underscores its position as a leader in the industry.

Cummins Flexible Hose 3976565 Compatibility

The Cummins Flexible Hose part number 3976565 is designed to fit seamlessly with various engine models, ensuring optimal performance and durability. This flexible hose is engineered to withstand the rigors of heavy-duty applications, providing a reliable connection between different engine components.

Engine Compatibility

  • 6B5.9 Series

    • The 3976565 flexible hose is specifically engineered to integrate with the 6B5.9 engines. This compatibility ensures that the hose can handle the unique demands of these engines, including high-pressure fluid transfer and vibration resistance.
  • Group Compatibility

    • Beyond individual engine models, the 3976565 flexible hose is also compatible with a broader group of Cummins engines. This flexibility allows for easier maintenance and repair across multiple engine types, reducing the need for specialized parts and simplifying inventory management for fleet operators.

The design of the 3976565 flexible hose ensures it can be easily installed and removed, facilitating quick maintenance and reducing downtime. Its robust construction and precise fitment make it an essential component for maintaining the efficiency and longevity of Cummins engines.

Role of Part 3976565 Flexible Hose in Radiator Systems

The part 3976565 Flexible Hose is integral to the efficient operation of radiator systems in engine setups. This hose facilitates the transfer of coolant between the radiator and the engine block, ensuring that the engine maintains optimal operating temperatures.

In radiator systems, the flexible hose connects to the radiator’s inlet and outlet ports. As the engine operates, it generates heat, which is absorbed by the coolant circulating through the engine block. The heated coolant is then pumped into the radiator, where it releases heat through the radiator’s fins and tubes. The cooled coolant subsequently returns to the engine via the flexible hose, completing the cycle.

The flexibility of the hose accommodates the vibrations and movements inherent in engine operation, reducing the risk of leaks and maintaining a consistent flow of coolant. This consistent flow is essential for preventing overheating, which can lead to engine damage.

Additionally, the hose’s design allows for easier installation and maintenance, as it can be routed around other components without the rigidity constraints of metal tubing. This flexibility also aids in absorbing shocks and vibrations, further enhancing the durability and reliability of the cooling system.

Conclusion

The Cummins 3976565 Flexible Hose is a critical component in the fluid transfer systems of commercial trucks, offering flexibility, durability, and efficient performance. Its key features, including resistance to wear and chemicals, reinforced design, and secure connection points, contribute to its reliability and longevity. Proper installation, regular maintenance, and troubleshooting of common issues are essential for ensuring the hose’s optimal performance and the overall efficiency of the vehicle’s systems.


  1. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

  2. Peters, G., & Peters, B. J. (2002). Automobile Vehicle Safety. CRC Press.

SPECIFICATIONS

Package Dimensions
54.0 x 15.0 x 2.0 in
Weight
0.181 lbs
* 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.