3349380
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$439.95 $523.54

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 3349380 Flexible Hose is a specialized component designed for use in commercial truck operations. Its purpose is to facilitate the transfer of fluids within the truck’s systems, ensuring efficient and reliable performance. The significance of this hose lies in its ability to provide a flexible connection between various components, accommodating the dynamic movements and vibrations inherent in truck operations.

Basic Concepts of Flexible Hoses

Flexible hoses are integral components in automotive systems, designed to connect different parts of a vehicle’s fluid transport network 1. They are used in various applications, including fuel lines, brake systems, and cooling systems. Flexible hoses function by allowing for movement and vibration without compromising the integrity of the fluid pathway. This flexibility helps prevent leaks and reduces the risk of damage to the hose and connected components.

Purpose of the Cummins 3349380 Flexible Hose

The Cummins 3349380 Flexible Hose plays a specific role in the operation of a truck by connecting critical systems and transporting essential fluids. It is designed to link components that experience relative motion, such as engine mounts and chassis parts. The hose facilitates the flow of fluids like coolant, fuel, or hydraulic fluid, ensuring that these systems operate smoothly and efficiently.

Key Features

The primary features of the 3349380 Flexible Hose include its material composition, flexibility, durability, and design specifications. The hose is typically made from high-quality materials that resist wear, corrosion, and high temperatures. Its flexible design allows it to bend and twist without kinking, while its durable construction ensures long-term reliability. Specific design features, such as reinforced layers and precise fitting ends, enhance its performance and compatibility with various systems.

Benefits of Using the 3349380 Flexible Hose

Incorporating the 3349380 Flexible Hose into truck systems offers several advantages. Its improved flexibility accommodates the dynamic movements of truck components, reducing the risk of leaks and damage 2. Compared to rigid hoses, the flexible design minimizes stress on connections, enhancing overall system reliability. Additionally, the hose’s durable construction contributes to its longevity, providing a cost-effective solution for fluid transport in commercial trucks.

Installation Considerations

When installing the 3349380 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes using the correct fitting techniques, such as crimping or clamping, to create a tight seal. Ensuring compatibility with existing systems is crucial to avoid leaks and maintain efficient fluid flow. Careful attention to detail during installation helps prevent common issues and ensures the hose functions as intended.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the 3349380 Flexible Hose, regular maintenance is necessary. This includes conducting routine inspections to check for signs of wear, leaks, or damage. Common issues such as cracks or abrasions should be addressed promptly to prevent fluid leaks and system failures. Troubleshooting steps may involve replacing worn sections of the hose or tightening connections to maintain a secure fit.

Safety Precautions

When handling, installing, or maintaining the 3349380 Flexible Hose, it is important to observe safety measures to prevent accidents and ensure safe operation. This includes wearing appropriate personal protective equipment (PPE), such as gloves and safety glasses, to protect against potential hazards. Following manufacturer guidelines for installation and maintenance helps minimize the risk of injury and ensures the hose operates safely within the truck’s systems.

Environmental Impact

The use and disposal of the 3349380 Flexible Hose present environmental considerations that should be addressed. The materials used in the hose may be recyclable, contributing to eco-friendly practices. Proper disposal methods, such as recycling or responsible waste management, help reduce the environmental impact. Additionally, using high-quality, durable hoses can extend their lifespan, reducing the need for frequent replacements and conserving resources.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for its commitment to innovation and quality. With a rich history of producing reliable and high-performance components, Cummins offers a diverse range of products designed to meet the demands of commercial and industrial applications. The company’s dedication to advancing technology and maintaining stringent quality standards ensures that its components, including the 3349380 Flexible Hose, deliver exceptional performance and durability in various operating conditions.

Flexible Hose Part 3349380 Compatibility with Cummins Engines

The Cummins Flexible Hose part number 3349380 is designed to integrate seamlessly with various Cummins engine models. This part is crucial for maintaining the integrity of the engine’s cooling and exhaust systems, ensuring optimal performance and longevity.

QSM11 Engines

For the QSM11 engine series, the Flexible Hose part 3349380 is engineered to connect critical components within the engine’s cooling and exhaust systems. Its flexibility allows it to accommodate the natural movements of the engine, reducing the risk of stress-related failures. This hose is particularly important in maintaining the pressure and flow of coolant and exhaust gases, which are vital for the engine’s operational efficiency.

CM570 Engines

In the CM570 engine series, the Flexible Hose part 3349380 plays a similar role. It is designed to fit precisely within the engine’s architecture, ensuring that it can handle the dynamic stresses of engine operation. The flexibility of this hose is essential in preventing leaks and maintaining the system’s integrity, which is crucial for the engine’s overall performance and reliability.

Grouping of Engines

When considering the QSM11 and CM570 engines together, it is evident that the Flexible Hose part 3349380 is a versatile component that can be adapted to fit various configurations within these engine series. Its design ensures that it can effectively manage the demands of both cooling and exhaust systems, providing a reliable connection that withstands the rigors of engine operation.

Role of Part 3349380 Flexible Hose in Engine Systems

Part 3349380 Flexible Hose is integral to the efficient operation of various engine systems, particularly in the context of the Filter and Full Flow Oil systems.

Filter System Integration

In the Filter system, the Flexible Hose serves as a vital conduit for the circulation of fluids. It connects the filter housing to other components, ensuring a secure and leak-free passage. This hose allows for the necessary flexibility to accommodate the vibrations and movements inherent in engine operation, maintaining consistent fluid flow to and from the filter. Its role is to facilitate the filtration process by providing a reliable pathway for contaminants to be removed from the fluid, thereby preserving the integrity and performance of the engine.

Full Flow Oil System Functionality

Within the Full Flow Oil system, Part 3349380 Flexible Hose plays a significant role in the lubrication circuit. It connects the oil pump to the oil filter and other critical components, ensuring that oil is distributed evenly throughout the engine. The hose’s flexibility is essential in managing the dynamic environment of the engine, allowing it to withstand pressure fluctuations and thermal expansion without compromising the oil flow. This consistent lubrication is fundamental to reducing friction, wear, and tear on moving parts, ultimately contributing to the engine’s longevity and efficiency.

In both systems, the Flexible Hose’s design and material properties are tailored to handle the specific demands of engine fluids, ensuring durability and performance under varying operating conditions.

Conclusion

The Cummins 3349380 Flexible Hose is a critical component in the operation of commercial trucks and Cummins engines. Its flexibility, durability, and design features make it an essential part of the fluid transport network, ensuring efficient and reliable performance. Proper installation, maintenance, and adherence to safety precautions are vital to maximizing the benefits of this Cummins part. Additionally, considering the environmental impact and recyclability of the hose contributes to sustainable practices in the automotive industry.


  1. Khajepour, A. (2023). Synthesis Lectures on Advances in Automotive Technology. Springer.

  2. Van Gelder, K. T. (2018). Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning.

SPECIFICATIONS

Package Dimensions
16.5 x 16.4 x 4.7 in
Weight
4.55 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.