3093433
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3093433 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks. It ensures efficient fuel transfer from the tank to the engine, contributing to the vehicle’s performance and reliability ¹.

Purpose and Function

This Cummins part facilitates the transfer of fuel from the tank to the engine, ensuring a consistent and reliable flow necessary for engine operation. It connects the fuel tank to the fuel filter or injection pump, creating a direct pathway for fuel ².

Key Features

The Fuel Supply Tube is constructed from durable materials resistant to fuel corrosion. Its design includes reinforced sections to withstand fuel system pressure and features smooth internal walls to minimize resistance during fuel flow, enhancing delivery system efficiency ³.

Benefits

This part contributes to improved fuel efficiency by ensuring a smooth and uninterrupted flow of fuel to the engine. Its robust construction enhances fuel system reliability, reducing the likelihood of leaks or failures. Additionally, its design allows for straightforward installation, minimizing maintenance downtime.

Installation Process

Installing the Fuel Supply Tube requires careful attention to detail. The process involves disconnecting the old tube, ensuring the fuel system is depressurized, and fitting the new tube into place. Tools such as wrenches and possibly a fuel line disconnect tool may be necessary. Safety precautions, including wearing protective gloves and eyewear, should be observed throughout the installation.

Maintenance Tips

To ensure the longevity and optimal performance of the Fuel Supply Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the tube to remove any contaminants, and replacing the tube according to the manufacturer’s guidelines or when any issues are detected.

Troubleshooting Common Issues

Common issues with the Fuel Supply Tube may include fuel leaks, reduced fuel flow, or damage to the tube. Diagnostic steps involve inspecting the tube for visible damage, checking connections for tightness, and ensuring there are no obstructions in the fuel line. Solutions may range from tightening connections to replacing the tube if it is damaged.

Safety Considerations

When working with the Fuel Supply Tube, it is important to follow safety protocols. This includes ensuring the fuel system is depressurized before beginning any work, handling fuel with care to avoid spills, and being cautious around electrical components to prevent sparks that could ignite fuel vapors.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is renowned for its high-quality components and systems, particularly in the heavy-duty truck industry. The company’s commitment to innovation and customer satisfaction has established it as a trusted name in the automotive sector.

Compatibility

The Cummins Fuel Supply Tube part number 3093433 is designed to fit seamlessly with several engine models, ensuring efficient fuel delivery and system integrity. This part is integral to the fuel management system, facilitating the transfer of fuel from the fuel tank to the engine’s fuel injection system.

QST30 CM552 Engines

The Cummins Fuel Supply Tube 3093433 is specifically engineered to integrate with the QST30 CM552 engines. These engines are known for their robust performance and reliability, often used in various industrial and commercial applications. The fuel supply tube ensures that the engine receives a consistent and uninterrupted fuel supply, which is crucial for maintaining optimal engine performance and efficiency.

Grouping of Compatible Engines

While the primary focus is on the QST30 CM552 engines, it is important to note that the Cummins Fuel Supply Tube 3093433 is also compatible with other similar engine models within the Cummins engine family. These engines share common design principles and specifications, ensuring that the fuel supply tube fits and functions effectively across the board. This compatibility extends to various engine configurations and applications, making it a versatile component for multiple engine types.

Role in Engine Systems

The Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. It serves as a conduit that facilitates the smooth and efficient transfer of fuel from the fuel tank to other components within the engine system.

Integration with Plumbing

In the context of engine plumbing, the Fuel Supply Tube connects to the fuel lines that run throughout the engine compartment. This connection ensures a consistent and reliable flow of fuel, which is necessary for the engine’s operation. The tube is designed to withstand the pressure and temperature variations that occur within the fuel system, making it a robust component in the overall plumbing network.

Interaction with Fuel Filter

The Fuel Supply Tube also plays a significant role when integrated with the fuel filter. As fuel travels from the tank through the tube, it eventually reaches the fuel filter. The filter’s job is to remove any impurities or contaminants that may have been picked up along the way. The Fuel Supply Tube ensures that clean, filtered fuel is delivered to the engine, contributing to the engine’s efficiency and longevity.

By maintaining a secure and leak-free connection between the fuel tank and the fuel filter, the Fuel Supply Tube helps prevent fuel leaks, which can be hazardous and lead to engine performance issues. Its design allows for easy maintenance and replacement, ensuring that the fuel system remains in optimal condition.

Conclusion

The Cummins 3093433 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks. Its durable construction, efficient design, and compatibility with various engine models make it an essential part for maintaining engine performance and reliability. Regular maintenance and proper installation are key to ensuring the longevity and optimal function of this part.