5440474
Fuel Supply Tube
Cummins®

Introduction

The Cummins 5440474 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks, ensuring a consistent and adequate supply of fuel to the engine for optimal performance and efficiency.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube, such as the Cummins 5440474, is a conduit that transports fuel from the tank to the engine, maintaining the integrity and pressure of the fuel as it moves through the system. The efficiency and reliability of the fuel supply tube directly influence engine performance, as consistent fuel delivery is essential for stable operation ¹.

Purpose of the Cummins 5440474 Fuel Supply Tube

This Cummins part ensures that fuel flows consistently to the engine, which is necessary for efficient operation. By maintaining a steady fuel supply, the tube contributes to the engine’s ability to deliver power and perform under various conditions.

Key Features

The Cummins 5440474 is constructed from materials resistant to the corrosive effects of fuel, ensuring longevity. Its design includes precise fittings and connections for a secure and leak-free installation. Additionally, the tube may incorporate features that reduce the risk of fuel line restrictions, contributing to a more reliable fuel delivery system ².

Benefits of Using the Cummins 5440474 Fuel Supply Tube

Utilizing this part offers several advantages, including improved fuel efficiency through consistent and unimpeded fuel flow to the engine. The reliability of the tube reduces the likelihood of fuel delivery issues, which can lead to engine performance problems. Furthermore, its durability ensures it can withstand the demanding conditions of heavy-duty truck operation, providing long-term service ³.

Installation Process

Installing the Cummins 5440474 requires attention to detail to ensure proper fit and function. The process involves disconnecting the old fuel supply tube, cleaning the fuel system components, and attaching the new tube using the appropriate fittings and tools. It is important to follow manufacturer guidelines to ensure that the tube is installed correctly and that all connections are secure to prevent leaks.

Common Issues and Troubleshooting

Fuel supply tubes can encounter issues such as leaks or blockages, which may arise from wear and tear, improper installation, or fuel contamination. Troubleshooting may involve inspecting the tube for visible damage, checking connections for tightness, and ensuring that the fuel filter is clean and functioning properly. Addressing these issues promptly can help maintain the efficiency and reliability of the fuel system ⁴.

Maintenance Tips

Regular maintenance of the Cummins 5440474 is important for its longevity and performance. This includes periodic inspection for signs of wear or damage, ensuring that all connections are tight, and cleaning the tube and related components as necessary. Adhering to recommended maintenance schedules can help prevent issues and ensure that the fuel supply system operates efficiently.

Compatibility and Application

The Cummins 5440474 is designed for specific engines and truck models. It is important to verify compatibility to ensure proper function and integration within the fuel system. Application notes provided by the manufacturer can offer guidance on the correct use of the tube in various heavy-duty truck configurations.

Cummins Corporation 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 a broad product range, Cummins has established a reputation for quality and reliability in the automotive and heavy-duty truck industry. The company’s commitment to customer satisfaction and technological advancement is reflected in its diverse offerings, including components like the Cummins 5440474 Fuel Supply Tube.

Cummins Fuel Supply Tube Part 5440474 Compatibility

The Cummins Fuel Supply Tube part number 5440474 is designed to fit seamlessly with several engine models, ensuring optimal fuel delivery and engine performance. This part is integral to the fuel system of the engines, facilitating the transfer of fuel from the fuel tank to the engine’s fuel injection system.

ISX15 CM2350 X101 and X15 CM2350 X116B Engines

The part 5440474 is compatible with the ISX15 CM2350 X101 and X15 CM2350 X116B engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The fuel supply tube ensures that the fuel is delivered consistently and efficiently, which is crucial for maintaining the high power output and durability these engines are designed for.

Installation and Functionality

When installing the fuel supply tube in these engines, it is essential to ensure that it is properly aligned and securely fastened. This part connects to the fuel pump and extends to the fuel injectors, ensuring that the fuel flow is uninterrupted. The design of the tube is such that it can withstand the high pressures and temperatures associated with diesel engines, making it a reliable component in the fuel delivery system.

Importance of Proper Fitment

Using the correct fuel supply tube is vital for the engine’s performance. An improperly fitted or damaged tube can lead to fuel leaks, reduced engine efficiency, and potential engine damage. Therefore, it is recommended to use the Cummins part number 5440474 for these engines to ensure compatibility and maintain the engine’s operational integrity.

Role of Part 5440474 Fuel Supply Tube in Engine Systems

The part 5440474 Fuel Supply Tube is a critical component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel tank to the engine’s fuel filter and subsequently to the fuel injectors or carburetor.

In systems equipped with a fuel filter, the Fuel Supply Tube connects directly to the filter inlet, ensuring a clean and uninterrupted fuel flow. The filtered fuel then travels through the tube to the fuel injectors, where it is precisely metered and sprayed into the combustion chambers. This setup is common in modern fuel-injected engines, where fuel purity is paramount for optimal performance and efficiency.

In carbureted engine systems, the Fuel Supply Tube delivers fuel from the tank to the carburetor. Here, the fuel is mixed with air before entering the engine’s cylinders. Although carbureted systems do not require a fuel filter in the same manner as fuel-injected systems, the Fuel Supply Tube still plays a vital role in maintaining a consistent fuel supply.

Regardless of the engine type, the Fuel Supply Tube is designed to withstand the pressures and temperatures associated with fuel transport, ensuring reliable operation under various driving conditions. Its proper function is integral to the overall performance and efficiency of the engine.

Conclusion

The Cummins 5440474 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks, ensuring consistent and efficient fuel flow to the engine. Its design, featuring materials resistant to fuel corrosion and precise fittings, contributes to the reliability and durability of the fuel system. Regular maintenance and proper installation are essential to maximize the benefits of this part, ensuring optimal engine performance and efficiency.