3355679
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$219.95 $261.74

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 3355679 Flexible Hose is a component designed for use in commercial trucks. Manufactured by Cummins Inc., a well-established name in the commercial truck industry, this flexible hose serves a specific function within the truck’s systems. Its design and material composition are tailored to meet the demanding requirements of heavy-duty applications 1.

Basic Concepts of Flexible Hoses

Flexible hoses are tubular components used in various automotive and industrial applications to convey fluids and gases. They are preferred over rigid pipes in scenarios where flexibility, ease of installation, and the ability to accommodate movement or vibration are required 2. Flexible hoses function by providing a conduit for the transfer of substances while allowing for some degree of movement and flexibility, which helps in reducing stress on connected components and improving the overall durability of the system.

Purpose of the 3355679 Flexible Hose in Truck Operations

In the operation of a truck, the 3355679 Flexible Hose plays a role by connecting various systems and facilitating the transport of fluids. It is typically used in applications where the hose needs to withstand high pressure, temperature fluctuations, and exposure to various environmental conditions. The hose may be part of systems such as the fuel delivery, coolant circulation, or hydraulic systems, where it allows for the transfer of fluids while accommodating the movement and vibration inherent in truck operations.

Key Features

The 3355679 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include a material composition that provides resistance to wear, corrosion, and environmental factors. The hose’s flexibility allows it to bend and twist without kinking, which is crucial for navigating the complex routing required in truck systems. Additionally, the design specifications of the hose, such as its reinforced layers and end fittings, contribute to its durability and reliability in heavy-duty applications.

Benefits of Using the 3355679 Flexible Hose

The use of the 3355679 Flexible Hose offers several advantages over rigid piping solutions. Its flexibility reduces the transmission of vibration to connected components, which can lead to a decrease in wear and fatigue. The hose’s design also allows for easier installation and maintenance, as it can be routed around obstacles without the need for complex bends or fittings. Furthermore, the hose’s resistance to wear and environmental factors contributes to its longevity, reducing the frequency of replacements and associated downtime.

Installation Considerations

When installing the 3355679 Flexible Hose, it is important to follow guidelines and best practices to ensure proper function and longevity. This includes ensuring proper alignment with connected components to prevent kinks and stress on the hose. Securing methods such as clamps should be used to maintain a tight seal and prevent leaks. Additionally, it is crucial to verify compatibility with existing systems to ensure that the hose can withstand the pressures and temperatures it will encounter in operation.

Troubleshooting Common Issues

Common issues associated with flexible hoses include leaks, kinks, and degradation due to wear or environmental exposure. To troubleshoot these problems, it is important to inspect the hose regularly for signs of wear, such as cracks or bulges, and to check for proper alignment and secure connections. If a leak is detected, the source should be identified and repaired or replaced as necessary. Kinks can often be resolved by rerouting the hose to avoid sharp bends.

Maintenance Tips

To ensure the longevity and optimal performance of the 3355679 Flexible Hose, regular maintenance is recommended. This includes inspecting the hose at routine intervals for signs of wear or damage, cleaning the exterior to remove dirt and debris that could accelerate degradation, and checking the security of all connections. If significant wear is observed, or if the hose shows signs of imminent failure, it should be replaced to prevent potential system downtime or failure.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and components designed to meet the needs of various industries, from transportation to construction and beyond.

Cummins Flexible Hose Part 3355679 Compatibility

The Cummins Flexible Hose part number 3355679 is designed to fit seamlessly with several engine models, ensuring efficient fluid transfer and maintaining the integrity of the engine’s cooling and fuel systems. This part is engineered to meet the rigorous demands of heavy-duty applications, providing durability and reliability.

Engine Compatibility

  • 6B5.9 and 6C8.3 Engines

The part 3355679 is specifically engineered to integrate with the 6B5.9 and 6C8.3 engines. These engines are known for their robust performance and are widely used in various industrial and commercial applications. The flexible hose ensures that the connection between the engine and other critical components remains flexible and secure, accommodating the natural movement and vibrations that occur during operation.

  • Other Cummins Engines

While the primary focus here is on the 6B5.9 and 6C8.3 engines, it is worth noting that the Cummins Flexible Hose part 3355679 is also compatible with a range of other Cummins engines. This compatibility extends to various models that share similar design and operational requirements, ensuring that the hose can be used across multiple platforms without compromising performance.

Installation and Usage

When installing the Cummins Flexible Hose part 3355679, it is essential to follow the manufacturer’s guidelines to ensure a proper fit and secure connection. The hose is designed to withstand high temperatures and pressures, making it suitable for use in demanding environments. Regular inspection and maintenance are recommended to prolong the life of the hose and ensure it continues to perform effectively.

By providing a reliable connection, the Cummins Flexible Hose part 3355679 helps maintain the overall efficiency and longevity of the engine, contributing to the smooth operation of the vehicle or machinery it is installed in.

Role of Part 3355679 Flexible Hose in Engine Systems

Part 3355679 Flexible Hose is a component in the fluid dynamics of engine systems, particularly in the fuel and filtration subsystems.

In the fuel system, the flexible hose facilitates the transfer of fuel from the tank to the engine. It connects the fuel pump to the fuel injectors, ensuring a consistent and reliable flow of fuel under varying engine loads and operating conditions. The flexibility of the hose accommodates the vibrations and movements inherent in engine operation, preventing stress and potential leaks in the fuel lines.

Within the filtration system, the flexible hose plays a significant role in connecting the filter housing to other components such as the fuel tank or the engine. This connection ensures that the fuel passes through the filter media, removing contaminants and impurities before reaching the engine. The hose’s flexibility is vital in maintaining a secure and leak-free connection, even as the engine and its components experience thermal expansion and contraction.

Overall, the integration of Part 3355679 Flexible Hose in these systems enhances the durability and efficiency of the engine, ensuring optimal performance and longevity.

Conclusion

The Cummins 3355679 Flexible Hose is a critical component in the operation of commercial trucks, providing a reliable and durable solution for fluid transfer in demanding environments. Its design, material composition, and compatibility with various Cummins engines make it an essential part of the truck’s systems, contributing to the overall efficiency and longevity of the engine. Regular maintenance and proper installation are key to ensuring the hose’s optimal performance and longevity.


  1. Haoran Hu, Rudy Smaling, and Simon Baseley, Heavy-Duty Wheeled Vehicles (SAE International, 2014).

  2. R. Matthew Brach, SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety (SAE Books, 2023).

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
* 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.