3347749
Flexible Hose
Cummins®

Introduction

The Cummins 3347749 Flexible Hose is a specialized component designed for use in commercial truck systems. Its primary role is to facilitate the transfer of fluids within the truck’s various systems, ensuring efficient operation and reliability. This hose is engineered to withstand the demanding conditions encountered in heavy-duty applications, providing a durable and flexible solution for fluid transport ¹.

Basic Concepts of Flexible Hoses

Flexible hoses are integral components in automotive and truck systems, designed to connect different parts of the system while allowing for movement and vibration. They are typically used to transport fluids such as coolant, fuel, oil, and hydraulic fluids. Flexible hoses are constructed from materials that offer durability, flexibility, and resistance to various environmental factors, ensuring reliable performance over time ².

Purpose of the Cummins 3347749 Flexible Hose

The Cummins 3347749 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is commonly used in the fuel system to connect the fuel tank to the engine, ensuring a consistent and reliable fuel supply. Additionally, it may be employed in other systems where flexible fluid transfer is required, such as in hydraulic or coolant systems ³.

Key Features

The Cummins 3347749 Flexible Hose boasts several key features that enhance its performance. It is constructed from high-quality materials that provide durability and resistance to wear and tear. The hose exhibits excellent flexibility, allowing it to accommodate the movement and vibration inherent in truck operations. Its design specifications ensure a secure and leak-free connection, contributing to the overall efficiency and safety of the truck’s fluid transfer systems ⁴.

Benefits of Using the Cummins 3347749 Flexible Hose

Utilizing the Cummins 3347749 Flexible Hose offers several advantages. Its improved flexibility allows for greater movement and reduces the risk of damage from vibration. The hose’s resistance to wear and tear ensures longevity, minimizing the need for frequent replacements. Additionally, its design enhances safety and efficiency in fluid transfer, contributing to the reliable operation of the truck’s systems.

Installation Considerations

When installing the Cummins 3347749 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes verifying compatibility with the truck’s system, using appropriate fitting methods, and ensuring all connections are tight and leak-free. Proper installation is crucial for the hose to function effectively and safely within the truck’s fluid transfer systems.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3347749 Flexible Hose is recommended to ensure its longevity and optimal performance. This includes periodic inspections for signs of wear, leaks, or damage. Common issues such as cracks or kinks should be addressed promptly to prevent fluid leaks and system failures. Troubleshooting steps may involve replacing damaged sections or the entire hose if necessary, ensuring continued reliable operation.

Safety Precautions

Observing important safety measures when handling, installing, and maintaining the Cummins 3347749 Flexible Hose is vital to prevent accidents and ensure safe operation. This includes wearing appropriate personal protective equipment, ensuring the truck is properly shut down and cooled before beginning work, and following all manufacturer guidelines for installation and maintenance. Adhering to these safety precautions helps protect both the technician and the truck’s systems.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a rich history in the commercial truck industry. Founded in 1919, Cummins has established a strong reputation for producing high-quality engines and components. The company offers a wide range of products designed to meet the demanding requirements of heavy-duty applications, ensuring reliability, performance, and efficiency in commercial truck operations.

Compatibility with Cummins Engines

The Cummins part 3347749, a Flexible Hose, is designed to integrate seamlessly with a range of Cummins engines, including the QSK19 CM2350 K114, QSK19 CM500, and QSK19 CM850 MCRS. This part is engineered to provide a reliable and durable connection in various applications, ensuring optimal performance and longevity.

QSK19 CM2350 K114 and QSK19 CM500

For the QSK19 CM2350 K114 and QSK19 CM500 engines, the Flexible Hose part 3347749 is specifically tailored to fit the engine’s fluid transfer systems. This hose is designed to withstand the high pressures and temperatures typical in these engines, ensuring a secure and leak-proof connection. Its flexibility allows for easy installation and adjustment, accommodating the engine’s movements and vibrations.

QSK19 CM850 MCRS

In the case of the QSK19 CM850 MCRS engine, the Flexible Hose part 3347749 is crucial for maintaining the integrity of the engine’s cooling and fuel systems. Given the MCRS designation, which often implies a more robust and specialized configuration, this hose is engineered to handle the increased demands placed on the engine. Its design ensures that it can endure the rigors of continuous operation, providing a stable and efficient connection.

Grouping of Engines

The QSK19 CM2350 K114 and QSK19 CM500 engines share similar design principles and operational requirements, making the Flexible Hose part 3347749 a versatile component for both. Meanwhile, the QSK19 CM850 MCRS engine, with its enhanced capabilities, benefits from the same high-quality standards but with additional durability features. This grouping highlights the adaptability and reliability of the part across different engine models.

Role of Part 3347749 Flexible Hose in Various Engine Systems

Plumbing Applications

In plumbing systems, the 3347749 Flexible Hose is utilized to connect various components, ensuring a secure and leak-free connection. Its flexibility allows it to navigate tight spaces and irregular pathways, making it ideal for both residential and commercial plumbing setups. The hose’s durability ensures it can withstand the pressure and temperature variations commonly encountered in plumbing systems, providing reliable performance over time.

Engine Oil Primer Systems

When integrated into engine oil primer systems, the 3347749 Flexible Hose plays a significant role in facilitating the smooth transfer of oil from the primer to the engine. This ensures that the engine components are adequately lubricated before starting, which is essential for reducing wear and tear. The hose’s flexibility allows for easy installation and maintenance, while its robust construction ensures it can handle the viscosity and pressure of engine oil without leakage or failure.

Pre-lube Starter Kit Integration

In pre-lube starter kits, the 3347749 Flexible Hose is a key component that connects the oil reservoir to the engine. This setup ensures that the engine is pre-lubricated before ignition, which is particularly important for high-performance engines or those operating in extreme conditions. The hose’s ability to flex and conform to the necessary pathways within the kit ensures a seamless and efficient oil flow, contributing to the overall reliability and performance of the engine.

Conclusion

The Cummins 3347749 Flexible Hose is a critical component in ensuring the efficient and reliable operation of commercial truck systems. Its durable construction, flexibility, and compatibility with various Cummins engines make it an indispensable part for fluid transfer applications. Regular maintenance and proper installation are essential to maximize its performance and longevity, contributing to the overall efficiency and safety of the truck’s systems.