5255627
Fuel Supply Tube
Cummins®

Introduction

The Cummins 5255627 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It is responsible for transporting fuel from the tank to the engine, ensuring a consistent supply of fuel under various operational conditions. This part is essential for maintaining the efficiency and performance of the vehicle’s engine by facilitating consistent fuel pressure and flow ¹.

Purpose and Function

The Cummins 5255627 Fuel Supply Tube serves a vital role in the fuel delivery system by conveying fuel from the tank to the engine. It ensures that fuel is delivered at the correct pressure and flow rate, which is crucial for the engine’s combustion process. This consistent delivery helps maintain engine performance and efficiency across different driving conditions ².

Design and Construction

This Cummins part is constructed using materials that are resistant to the corrosive effects of fuel and the high pressures within the fuel system. It may incorporate protective coatings or reinforcements to enhance durability and longevity. The design considerations include the tube’s ability to withstand the physical stresses of installation and operation within the engine compartment ³.

Integration within the Fuel System

Within the fuel system, the Fuel Supply Tube connects the fuel tank to the fuel filter and subsequently to the fuel injectors. This placement ensures that fuel is efficiently filtered and pressurized before reaching the engine. The tube’s design allows for secure connections at each juncture, minimizing the risk of leaks and ensuring a reliable fuel supply.

Key Features

Significant features of the Cummins 5255627 Fuel Supply Tube include its durability, resistance to fuel corrosion, and its design for high-pressure environments. These attributes contribute to the tube’s reliability and efficiency in delivering fuel to the engine, even under demanding operational conditions.

Benefits of Using Cummins 5255627 Fuel Supply Tube

The use of the Cummins 5255627 Fuel Supply Tube offers several advantages. It provides reliable and efficient fuel delivery, ensuring that the engine receives a consistent fuel supply. Its compatibility with Cummins engines enhances the overall performance and efficiency of the vehicle. Additionally, the tube’s construction contributes to the longevity and reliability of the fuel system.

Installation Considerations

When installing the Cummins 5255627 Fuel Supply Tube, it is important to follow guidelines and best practices to ensure a secure and efficient installation. This includes using the necessary tools, preparing the installation area, and ensuring that all connections are properly sealed to prevent leaks. Careful attention to these details helps maintain the integrity of the fuel system.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube involves checking for leaks or blockages and ensuring that all connections remain secure. Common issues such as leaks can often be identified through visual inspection or by monitoring the system’s performance. Troubleshooting steps may include tightening connections, replacing damaged sections, or cleaning the tube to remove any obstructions.

Safety Precautions

When handling and working with the Cummins 5255627 Fuel Supply Tube, it is important to observe safety measures. This includes taking precautions when handling fuel, such as working in a well-ventilated area and avoiding open flames. Additionally, caution should be exercised when working with a pressurized fuel system to prevent injury from accidental releases.

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 quality, Cummins has established itself as a trusted name in the automotive industry. The company’s commitment to excellence is reflected in its engine and component manufacturing, where it continually strives to enhance performance, efficiency, and reliability.

Cummins Engine Compatibility with Fuel Supply Tube Part 5255627

The Cummins Fuel Supply Tube part number 5255627 is designed to fit seamlessly with a range of Cummins engines, ensuring efficient fuel delivery and maintaining the integrity of the fuel system. This part is compatible with the following engines:

• QSB6.7 CM2250
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

These engines, while differing in some specifications, share a commonality in their fuel system architecture, which allows the Fuel Supply Tube part 5255627 to be universally applicable. This compatibility ensures that users can maintain or upgrade their fuel systems with confidence, knowing that the part is designed to fit and function optimally within these engine models.

Role of Part 5255627 Fuel Supply Tube in Engine Systems

The Part 5255627 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. It facilitates the transfer of fuel from the fuel tank to the engine’s fuel injection system or carburetor.

In fuel-injected engines, the Fuel Supply Tube connects to the fuel pump, which pressurizes the fuel. This pressurized fuel then travels through the tube to the fuel rail, where it is distributed to individual injectors. The injectors spray atomized fuel into the combustion chamber, ensuring efficient fuel-air mixture for combustion.

For carbureted engines, the Fuel Supply Tube delivers fuel from the tank to the carburetor. The carburetor mixes the fuel with air before the mixture enters the engine’s cylinders. This setup requires precise fuel delivery to maintain the correct air-fuel ratio, which is vital for engine performance and emissions control.

In both systems, the Fuel Supply Tube must be securely fitted to prevent fuel leaks, which can pose safety hazards and affect engine performance. It often connects to various plumbing components, such as fuel filters and pressure regulators, ensuring clean and properly pressurized fuel reaches the engine.

Overall, the Part 5255627 Fuel Supply Tube plays a significant role in ensuring a consistent and reliable fuel supply, which is fundamental to the operation and efficiency of engine systems.

Conclusion

The Cummins 5255627 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks. Its design and construction ensure reliable and efficient fuel delivery, contributing to the overall performance and efficiency of the vehicle. Proper installation, maintenance, and adherence to safety precautions are essential for the optimal functioning of this part within the engine system.