3426711
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$699.95 $832.94

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 3426711 Flexible Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, contributing to the overall efficiency and reliability of the vehicle’s operation. Understanding its purpose and significance is key to maintaining the truck’s performance and longevity.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive systems to transfer fluids or gases. They are engineered to withstand varying conditions, including changes in temperature, pressure, and movement. These hoses provide a vital connection between rigid components, allowing for necessary flexibility and movement without compromising the integrity of the system 1.

Purpose of the Cummins 3426711 Flexible Hose

The Cummins 3426711 Flexible Hose is designed to connect specific systems within a truck, facilitating the transfer of fluids or gases. Its role is integral to the operation of these systems, ensuring that the transfer is efficient and reliable. The hose is part of a network that supports the truck’s functionality, contributing to its overall performance 2.

Key Features

The Cummins 3426711 Flexible Hose is characterized by several key features that enhance its performance. These include its material composition, which is selected for durability and resistance to the conditions it will encounter. The hose’s flexibility allows it to accommodate the movements and vibrations inherent in truck operation, while its design specifications ensure a secure fit and efficient transfer of fluids or gases 3.

Benefits

The use of the Cummins 3426711 Flexible Hose offers several benefits. It contributes to improved system reliability by providing a durable and flexible connection between components. This reduces the risk of leaks and enhances the overall efficiency of the truck’s operation. Additionally, its design allows for greater flexibility in routing, which can simplify installation and maintenance.

Installation Considerations

Proper installation of the Cummins 3426711 Flexible Hose is important for its performance and longevity. Considerations include ensuring compatibility with other system components and following recommended practices for secure and efficient connection. Potential challenges, such as fitting in tight spaces or aligning with existing rigid components, should be anticipated and addressed during installation.

Troubleshooting Common Issues

Common issues with the Cummins 3426711 Flexible Hose may include leaks, kinks, or degradation over time. Troubleshooting these problems involves inspecting the hose for signs of wear or damage, ensuring proper installation, and addressing any issues promptly to maintain the hose’s performance and the truck’s operation.

Maintenance Tips

Regular maintenance of the Cummins 3426711 Flexible Hose is recommended to ensure its continued reliable performance. This includes periodic inspections for signs of wear or damage, cleaning as necessary, and following replacement guidelines to prevent failures. Adhering to these maintenance practices helps to extend the hose’s lifespan and maintain the truck’s efficiency.

About Cummins

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of products and commitment to quality and reliability. The company’s history and reputation underscore the quality and dependability of components like the 3426711 Flexible Hose, providing confidence in its performance and durability in demanding applications.

Cummins Part 3426711: Flexible Hose in Engine Applications

The Cummins part number 3426711, a Flexible Hose, is integral to the operation of several engine models. This part is designed to connect various fluid lines, ensuring a secure and leak-proof interface. Its flexibility allows it to accommodate the natural movements and vibrations of the engine, reducing the risk of wear and tear on rigid connections.

Application in Engine Models

QSW27

The Flexible Hose 3426711 is specifically engineered to fit seamlessly within the QSW27 engine. Its role is crucial in maintaining the integrity of the engine’s fluid systems, such as oil and coolant lines. The hose’s design ensures that it can withstand the high temperatures and pressures typical of engine environments, providing a reliable connection point that minimizes the risk of leaks and system failures.

Other Cummins Engines

While the primary focus here is on the QSW27, it is worth noting that the Cummins part 3426711 is also compatible with a range of other Cummins engines. This flexibility in application underscores the versatility and robustness of the design, making it a preferred choice for various engine configurations. The hose’s ability to adapt to different engine layouts and operational conditions highlights its importance in maintaining engine efficiency and longevity.

The integration of the Flexible Hose 3426711 into the engine’s fluid systems is a testament to Cummins’ commitment to quality and performance. By ensuring that this part fits perfectly within the engine’s design, Cummins guarantees that the engine can operate smoothly and reliably, even under demanding conditions.

Role of Part 3426711 Flexible Hose in Engine Systems

The part 3426711 Flexible Hose is integral to the efficient operation of several engine systems, particularly in managing fluid dynamics and maintaining system integrity under varying operational conditions.

Engine Cooling Assembly Vent

In the engine cooling assembly vent system, the 3426711 Flexible Hose facilitates the release of excess pressure and vapor from the cooling system. This is essential for preventing system overpressure, which could lead to coolant leaks or even catastrophic failure of cooling system components. The hose’s flexibility allows it to accommodate the vibrations and movements inherent in engine operation, ensuring a secure and leak-free connection between the vent and the rest of the cooling system.

General Vent Applications

Beyond specific engine cooling applications, the 3426711 Flexible Hose is also employed in various vent systems throughout the engine compartment. These vents are designed to release gases or vapors that accumulate during engine operation. The hose’s durable construction and flexibility make it well-suited for these applications, where it must withstand high temperatures, pressure fluctuations, and mechanical stress.

Engine Coolant System

Within the engine coolant system, the 3426711 Flexible Hose plays a key role in connecting the radiator, water pump, and engine block. Its flexibility is particularly beneficial in these applications, as it allows for the necessary movement and expansion of components without compromising the integrity of the coolant pathway. This ensures consistent coolant flow, which is vital for maintaining optimal engine temperature and preventing overheating.

The use of the 3426711 Flexible Hose in these systems underscores its importance in enhancing the reliability and efficiency of engine operations. Its ability to adapt to the dynamic environment of the engine compartment makes it a valuable component in ensuring the smooth and safe functioning of various engine systems.

Conclusion

The Cummins 3426711 Flexible Hose is a critical component in the operation of commercial trucks and various engine systems. Its design and features contribute to the reliability, efficiency, and longevity of the systems it serves. Proper installation, maintenance, and troubleshooting are essential to ensure its optimal performance and the overall functionality of the truck or engine.


  1. Bonneau, D., Fatu, A., & Souchet, D. (2014). Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE.

  2. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

  3. Duffy, O. C., & Wright, G. (2016). Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems. Jones Bartlett Learning.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
29.0 x 29.0 x 3.5 in
Weight
0.414 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.