4381455
Flexible Hose
Cummins®

AVAILABLE

Cummins®

5 are currently available

Ships within 2-4 business days

$529.95 $630.64

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

Introduction

The Cummins 4381455 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids within the truck’s operational systems, ensuring efficient and reliable performance. This hose is integral to maintaining the functionality of the truck’s systems by providing a flexible connection that accommodates movement and vibration inherent in heavy-duty applications.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized across various automotive systems to transport fluids such as coolant, fuel, oil, and hydraulic fluids. They are designed to offer flexibility and durability, allowing them to withstand the dynamic conditions present in vehicle operations. Flexible hoses function by providing a secure, yet adaptable, pathway for fluids, which is crucial in environments where rigid pipes could fail due to movement or temperature changes 1.

Purpose of the Cummins 4381455 Flexible Hose

The Cummins 4381455 Flexible Hose plays a specific role in the operation of commercial trucks by connecting various systems and transporting essential fluids. It is commonly used in fuel systems, where it connects the fuel tank to the engine, ensuring a consistent supply of fuel. Additionally, it may be employed in other systems where flexibility and durability are required to maintain fluid transfer under varying operational conditions.

Key Features

The Cummins 4381455 Flexible Hose is constructed using high-quality materials that enhance its performance and durability. It features a robust design that includes reinforced layers to withstand pressure and abrasion. The hose is engineered to resist wear and tear, ensuring long-lasting performance in demanding environments. Its flexibility allows it to accommodate the movement and vibration typical of commercial truck operations without compromising the integrity of the fluid transfer.

Benefits

The Cummins 4381455 Flexible Hose offers several advantages in commercial truck applications. Its improved flexibility allows it to adapt to the dynamic movements of the truck, reducing the risk of leaks and failures. The hose’s resistance to wear and tear ensures reliable performance over time, minimizing the need for frequent replacements. Additionally, its design enhances safety in fluid transfer systems by providing a secure and durable connection.

Installation Considerations

When installing the Cummins 4381455 Flexible Hose, it is important to follow guidelines and best practices to ensure compatibility with other components and optimal performance. Proper installation involves selecting the correct fittings and ensuring a secure connection to prevent leaks. Necessary tools may include wrenches, hose clamps, and possibly a crimping tool, depending on the specific application.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, abrasion damage, and kinking. Potential causes of these issues can range from improper installation to exposure to harsh environmental conditions. Recommended solutions include regular inspection for signs of wear, ensuring proper routing to avoid abrasion, and replacing the hose if damage is detected to maintain optimal performance.

Maintenance Tips

Regular maintenance practices for the Cummins 4381455 Flexible Hose include routine inspections for signs of wear, such as cracks, abrasions, or leaks. It is important to monitor the hose’s condition and replace it when necessary to prevent failures. Additionally, ensuring that the hose is properly routed and secured can help extend its lifespan and maintain efficient fluid transfer.

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 commitment to quality, Cummins serves commercial, industrial, and automotive markets. The company’s product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ dedication to quality and innovation ensures that its products, including the Cummins 4381455 Flexible Hose, deliver reliable performance and durability in commercial truck systems.

Compatibility with Cummins Engines

The Cummins Flexible Hose part number 4381455 is designed to integrate seamlessly with a range of Cummins engines, ensuring efficient fluid transfer and maintaining system integrity. This hose is engineered to withstand the rigors of engine operation, providing durability and reliability across various applications.

QSK50 Engines

In the QSK50 engine series, the Flexible Hose 4381455 is utilized to connect critical fluid lines, ensuring smooth operation and preventing leaks. Its flexibility allows it to accommodate the engine’s movements and vibrations, reducing wear and tear on the connections.

CM2350 Engines

For the CM2350 engines, the part 4381455 plays a crucial role in the engine’s cooling and fuel systems. Its design ensures that the hose can handle the high pressures and temperatures typical of these engines, maintaining the efficiency of the fluid pathways.

K108 Engines

The K108 engines also benefit from the Flexible Hose 4381455. This hose is integral to the engine’s hydraulic and lubrication systems, providing a reliable connection that can endure the demanding conditions of industrial and heavy-duty applications.

Grouping of Engines

The QSK50 and CM2350 engines, while differing in their specific applications, share common design philosophies that benefit from the use of the Flexible Hose 4381455. Both are designed for high-performance and durability, making this hose a suitable choice for their fluid transfer needs. The K108 engine, with its focus on robust industrial performance, also aligns well with the hose’s capabilities, ensuring that it can handle the unique stresses of its environment.

Role of Part 4381455 Flexible Hose in Engine Systems

Plumbing Applications

In plumbing applications within engine systems, the 4381455 Flexible Hose serves as a vital connector between various components. It facilitates the transfer of fluids such as coolant, oil, and fuel throughout the engine. This hose is designed to withstand high pressures and temperatures, ensuring reliable performance. Its flexibility allows it to accommodate the vibrations and movements inherent in engine operation, reducing the risk of leaks and component failure. The hose’s durability and resistance to corrosion further enhance its effectiveness in maintaining the integrity of the plumbing system.

Turbocharger Oil Systems

When integrated into turbocharger oil systems, the 4381455 Flexible Hose plays a significant role in ensuring the proper lubrication of turbocharger components. It connects the oil supply lines to the turbocharger, allowing for the circulation of oil that lubricates the turbine and compressor wheels. This lubrication is essential for reducing friction and wear, thereby enhancing the turbocharger’s efficiency and longevity. The hose’s ability to flex and absorb vibrations helps maintain a consistent oil flow, even under the extreme conditions encountered in turbocharged engines. Additionally, its resistance to oil degradation ensures that the hose remains functional over extended periods, contributing to the overall reliability of the turbocharger system.

Conclusion

The Cummins 4381455 Flexible Hose is a critical component in the operation of commercial trucks and various Cummins engines. Its design, featuring high-quality materials and reinforced layers, ensures durability and resistance to wear and tear. The hose’s flexibility accommodates the dynamic movements and vibrations of heavy-duty applications, reducing the risk of leaks and failures. Regular maintenance and proper installation are essential to maximize the hose’s performance and lifespan. By integrating seamlessly with Cummins engines, this part plays a vital role in maintaining efficient fluid transfer and system integrity across a range of applications.


  1. Huang, Matthew. Vehicle Crash Dynamics. CRC Press, 2002.

SPECIFICATIONS

Package Dimensions
94.0 x 21.6 x 2.5 in
Weight
0.27 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.