3974115
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$63.95 $76.10

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 Flexible Hose Part #3974115 is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of fluids or gases between various system components. Understanding its function and importance can help in maintaining the efficiency and reliability of truck operations.

Basic Concepts of Flexible Hoses

Flexible hoses are used in automotive systems to connect different components, allowing for the transfer of fluids or gases while accommodating movement and vibration. They are typically made from materials that offer flexibility, durability, and resistance to the substances they transport. In commercial trucks, flexible hoses play a vital role in ensuring that systems operate smoothly without the constraints that rigid pipes might impose 1.

Purpose of the 3974115 Flexible Hose in Truck Operation

This Cummins part is specifically designed to transport fluids or gases within a truck’s system. It connects critical components, ensuring that the flow is maintained even when the truck is in motion or experiencing vibrations. This hose is engineered to handle specific types of fluids or gases, contributing to the overall functionality of the truck’s system 2.

Key Features of the 3974115 Flexible Hose

The 3974115 Flexible Hose incorporates several design elements and materials that enhance its performance and durability. These include reinforced layers to withstand pressure, corrosion-resistant materials to protect against chemical degradation, and a flexible construction that allows it to adapt to the movements of the truck. These features ensure that the hose remains functional under various operating conditions 3.

Benefits of Using the 3974115 Flexible Hose

Utilizing this part offers several advantages. It reduces the transmission of vibrations compared to rigid hoses, which can lead to less wear on connected components. Its durability ensures a longer service life, and its flexibility makes installation easier, allowing for quicker and more efficient maintenance procedures.

Installation Considerations

When installing the 3974115 Flexible Hose, it is important to follow guidelines and best practices to ensure proper function. This includes aligning the hose correctly, using appropriate securing methods to prevent disconnection, and ensuring that it fits within the truck’s system without kinks or excessive bends. Proper installation is key to maintaining the efficiency and safety of the truck’s system.

Maintenance and Troubleshooting

Regular maintenance checks are recommended to ensure the 3974115 Flexible Hose remains in good condition. Common issues that may arise include leaks or wear, which can be addressed through routine inspections and timely replacements. Troubleshooting steps should involve checking for proper alignment, secure connections, and signs of wear or damage.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its range of quality products and commitment to innovation. With a history of providing reliable and efficient solutions, Cummins continues to be a trusted name among truck manufacturers and operators, offering parts and systems that enhance the performance and durability of commercial vehicles.

Cummins Flexible Hose 3974115 Compatibility

The Cummins Flexible Hose part number 3974115 is designed to fit seamlessly with several engine models, ensuring optimal performance and durability. This part is engineered to connect various components within the engine system, providing flexibility and ease of installation.

Engine Compatibility

  • 6B5.9: The 3974115 flexible hose is compatible with the 6B5.9 engine, facilitating smooth operation and reducing the risk of leaks or damage due to rigid connections.

  • ISB5.9 CM2880 B127: This part also fits the ISB5.9 CM2880 B127 engine, ensuring that the hose can handle the specific demands of this engine model. Its flexibility allows for precise alignment and secure connections, enhancing overall engine efficiency.

By integrating the 3974115 flexible hose into these engines, users can expect improved reliability and performance, as the hose is designed to withstand the operational stresses of these engine systems.

Role of Part 3974115 Flexible Hose in Plumbing and Turbocharger Systems

Plumbing Systems

In plumbing systems, the 3974115 Flexible Hose is instrumental in connecting various components that facilitate the flow of fluids. It is commonly used to link pipes, valves, and fixtures, allowing for flexibility and ease of installation. This flexibility is particularly beneficial in situations where rigid piping would be impractical due to space constraints or the need for movement. The hose accommodates vibrations and thermal expansion, which are common in plumbing setups, thereby enhancing the system’s durability and reliability. Additionally, it simplifies maintenance and repairs by providing easy access to connections without the need for complex disassembly.

Turbocharger Systems

Within turbocharger systems, the 3974115 Flexible Hose serves a specialized function. It is often employed to connect the turbocharger to the engine’s intake and exhaust manifolds. This connection is vital for the efficient transfer of exhaust gases, which drive the turbine within the turbocharger. The flexibility of the hose allows it to withstand the high temperatures and pressures associated with exhaust systems while accommodating the movement and vibrations inherent in engine operation. Furthermore, the hose’s design helps to reduce stress on the turbocharger and manifold connections, contributing to the overall longevity and performance of the turbocharger system.

Conclusion

The 3974115 Flexible Hose is a critical component in the operation of commercial trucks, offering flexibility, durability, and ease of installation. Its role in both plumbing and turbocharger systems highlights its versatility and importance in maintaining the efficiency and reliability of truck operations. Regular maintenance and proper installation are essential to ensure the longevity and performance of this part.


  1. Hilgers, Michael. Chassis and Axles. Springer Vieweg, 2023.

  2. Denton, Tom, and Hayley Pells. Automotive Technician Training, Second Edition. Routledge, 2022.

  3. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing, 2011.

SPECIFICATIONS

Package Dimensions
13.25 x 1.0 x 1.0 in
Weight
0.26 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.