3400865
Flexible Hose
Cummins®

IN STOCK

Cummins®

1 is currently available

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$109.95 $130.84

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 3400865 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 transfer of fluids or gases. Understanding its purpose and significance is key to maintaining the overall performance and reliability of commercial trucks.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive systems to transfer fluids or gases. They are designed to accommodate movement and vibration, which are common in vehicle operations. These hoses allow for the transfer of substances under varying conditions without the risk of damage that rigid pipes might incur 1.

Purpose of the Cummins 3400865 Flexible Hose

This Cummins part is integral to the operation of a truck. It connects specific systems within the vehicle and is responsible for transporting fluids or gases. Its design allows it to withstand the dynamic environment of a commercial truck, ensuring a consistent and reliable flow of substances between components.

Key Features

The 3400865 Flexible Hose boasts several key features that enhance its performance. These include a material composition that provides durability, flexibility to accommodate movement, and a design that ensures longevity. These characteristics are vital for withstanding the demanding conditions of commercial truck operations.

Benefits

The use of this part offers several advantages. Its flexibility reduces stress on connected components compared to rigid hoses. Additionally, it provides enhanced durability, which is particularly beneficial in the harsh operating environments typical of commercial trucks.

Installation Considerations

When installing the 3400865 Flexible Hose, it is important to follow guidelines and best practices. This includes ensuring proper fitting, using appropriate securing methods, and verifying compatibility with the truck’s existing systems. Careful installation is key to the hose’s performance and the truck’s overall reliability 2.

Troubleshooting Common Issues

Flexible hoses, including the 3400865, may encounter issues such as leaks, kinks, or degradation over time. Identifying these problems early is important. Troubleshooting steps may involve inspecting the hose for visible damage, checking connections for tightness, and assessing the hose’s condition to determine if replacement is necessary.

Maintenance Tips

Regular maintenance of the 3400865 Flexible Hose is recommended to ensure optimal performance and safety. This includes routine inspections for wear and tear, cleaning to remove any buildup that could affect performance, and monitoring for signs that indicate the hose may need to be replaced.

Safety Considerations

When working with flexible hoses, it is important to adhere to safety practices. This involves proper handling of the hose, using the correct tools for installation and maintenance, and following manufacturer guidelines. These practices help prevent accidents and ensure the reliable operation of the hose within the truck’s system.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation in automotive components. With a diverse product range, Cummins has built a reputation for delivering reliable and high-performance parts, including the 3400865 Flexible Hose.

Flexible Hose 3400865 for Cummins Engines

The Cummins Flexible Hose part number 3400865 is designed to be compatible with a range of Cummins engines, ensuring flexibility and durability in various applications. This hose is engineered to meet the specific needs of the following engines:

  • ISM CM570
  • ISM11 CM876 SN
  • QSM11 CM570

These engines are part of Cummins’ lineup, known for their robust performance and reliability in various industrial and commercial applications. The flexible hose is engineered to withstand the operational stresses and environmental conditions these engines encounter, providing a reliable connection between different components.

For the ISM CM570 and QSM11 CM570 engines, the hose is critical in maintaining fluid flow and pressure within the engine’s cooling and fuel systems. Its flexibility allows it to accommodate the engine’s movements and vibrations, reducing the risk of leaks and ensuring consistent performance.

In the ISM11 CM876 SN engine, the hose plays a vital role in the engine’s complex systems, connecting various fluid lines and ensuring that the engine operates smoothly under high-stress conditions. The design of the hose ensures that it can handle the specific demands of this engine, including high temperatures and pressures.

Overall, the Cummins Flexible Hose part number 3400865 is a crucial component for maintaining the integrity and efficiency of these engines, providing a reliable and flexible connection that supports the engine’s overall performance.

Role of Part 3400865 Flexible Hose in Plumbing and Turbocharger Systems

Plumbing Systems

In plumbing systems, the flexible hose (part 3400865) serves as a vital connector between various components. It facilitates the transfer of fluids, such as water or gas, between pipes, valves, and fixtures. The flexibility of the hose allows for easy installation and adjustment, accommodating the natural expansion and contraction of pipes due to temperature variations. This adaptability reduces the risk of leaks and ensures a secure connection, maintaining the integrity of the plumbing system.

Turbocharger Systems

In turbocharger systems, the flexible hose (part 3400865) plays a significant role in managing the flow of exhaust gases and coolant. It connects the turbocharger to the engine’s exhaust manifold and intercooler, allowing for the efficient transfer of high-temperature gases. The hose’s flexibility accommodates the vibrations and movements inherent in the turbocharger system, ensuring a reliable seal and preventing leaks. Additionally, in coolant systems associated with turbochargers, the hose helps maintain consistent temperatures, enhancing the turbocharger’s performance and longevity.

Conclusion

The Cummins 3400865 Flexible Hose is a critical component in commercial truck operations, offering flexibility, durability, and reliable performance in various systems. Proper installation, maintenance, and adherence to safety practices are essential to ensure the hose’s effectiveness and the truck’s overall reliability. Understanding the role and benefits of this part can contribute to the efficient and safe operation of commercial vehicles.


  1. Limpert, Rudolf. Brake Design and Safety, Third Edition. SAE International, 2011.

  2. Dixon, John. Modern Diesel Technology Preventive Maintenance and Inspection. Delmar Cengage Learning, 2010.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.3 x 2.3 x 0.88 in
Weight
0.38 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.