4015401
Fuel Supply Tube
Cummins®

The Cummins 4015401 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It ensures the efficient transfer of fuel from the tank to the engine, maintaining a consistent and reliable fuel supply. This part is essential for the overall efficiency and performance of the vehicle’s fuel system.

Purpose and Function

The Cummins 4015401 Fuel Supply Tube acts as a conduit for fuel, transferring it from the fuel tank to the engine. It ensures that fuel is delivered under the correct pressure and in the right quantity to meet the engine’s demands. This function is vital for maintaining the engine’s operational efficiency and ensuring a steady fuel supply ¹.

Design and Construction

This Cummins part is constructed from materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance performance and longevity, such as reinforced sections to withstand pressure and flexible segments to accommodate movement within the vehicle’s fuel system.

Installation Process

Installing the Cummins 4015401 Fuel Supply Tube requires careful attention to detail to ensure a secure and leak-free connection. The process involves disconnecting the old tube, cleaning the fuel system components, and attaching the new tube using the appropriate fittings and tools. Specific procedures may vary depending on the vehicle model, and it is important to follow manufacturer guidelines for installation ².

Benefits

Using the Cummins 4015401 Fuel Supply Tube offers several advantages, including improved fuel efficiency due to its precise fuel delivery capabilities. It also contributes to the reliability of the fuel system, ensuring consistent performance. Additionally, its compatibility with Cummins engines makes it a suitable choice for maintaining or upgrading the fuel system ³.

Common Issues and Troubleshooting

Common issues with fuel supply tubes can include leaks, clogs, and inconsistencies in fuel delivery. Troubleshooting these problems may involve inspecting the tube for damage, cleaning or replacing filters, and ensuring all connections are secure. Regular maintenance can help prevent these issues and ensure the tube operates efficiently.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 4015401 Fuel Supply Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the tube and associated components, and replacing the tube if it shows signs of degradation. Adhering to manufacturer-recommended maintenance schedules can help maintain the efficiency of the fuel system.

Safety Considerations

When handling and installing the Cummins 4015401 Fuel Supply Tube, it is important to observe safety protocols. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and following guidelines for working with fuel systems to prevent accidents and ensure a safe working environment.

Cummins Corporation

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a commitment to innovation and quality, Cummins has established itself as a trusted name in the diesel engine and component manufacturing industry, providing reliable and efficient solutions for various applications.

Role of Part 4015401 Fuel Supply Tube in Engine Systems

The 4015401 Fuel Supply Tube is a critical component in the fuel delivery system of an engine, ensuring a steady and reliable flow of fuel from the fuel tank to the fuel control module. This tube is designed to withstand the pressures and temperatures associated with fuel transport, providing a secure and efficient pathway for fuel.

In the context of the fuel control module, the 4015401 Fuel Supply Tube plays a significant role. The fuel control module regulates the amount of fuel that is delivered to the engine based on various parameters such as engine load, RPM, and environmental conditions. The Fuel Supply Tube ensures that the fuel control module receives a consistent supply of fuel, allowing it to make precise adjustments to the fuel delivery as needed.

Additionally, the Fuel Supply Tube is integrated into the overall fuel system, which includes the fuel pump, fuel filter, and fuel injectors. The fuel pump draws fuel from the tank and sends it through the Fuel Supply Tube to the fuel control module. From there, the fuel is directed to the fuel filter, which removes any impurities before the fuel reaches the fuel injectors. The fuel injectors then deliver the fuel into the engine’s combustion chambers in a highly atomized state, ensuring efficient combustion and optimal engine performance.

The reliable operation of the 4015401 Fuel Supply Tube is fundamental to the proper functioning of these interconnected components. It ensures that the fuel system operates smoothly, providing the engine with the necessary fuel for combustion while maintaining the integrity of the fuel delivery process ⁴.

Conclusion

The Cummins 4015401 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks, ensuring efficient and reliable fuel delivery to the engine. Its design, construction, and integration into the fuel system contribute to the overall performance and efficiency of the vehicle. Regular maintenance and adherence to safety protocols are essential for the longevity and optimal operation of this part.