3917565
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3917565 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its primary role is to facilitate the transfer of fuel from the tank to the engine, ensuring a steady and reliable supply of fuel under various operating conditions ⁴.

Purpose and Function

The Fuel Supply Tube plays a role in the fuel delivery system by providing a conduit for fuel to travel from the tank to the engine. It ensures that fuel is delivered at a consistent flow rate and pressure, which is vital for the engine’s performance and efficiency ¹. The tube is engineered to withstand the pressures and temperatures associated with diesel fuel systems, contributing to the overall reliability of the fuel delivery process ².

Key Features

The Cummins 3917565 Fuel Supply Tube is constructed from durable materials that are resistant to the corrosive effects of diesel fuel. It features robust connection points that ensure a secure fit within the fuel system. The design of the tube includes features that enhance its performance, such as smooth internal surfaces to minimize fuel flow resistance and reinforced sections to prevent kinking or damage ³.

Benefits

Utilizing the Cummins 3917565 Fuel Supply Tube can lead to improved fuel efficiency due to its role in maintaining consistent fuel flow and pressure. The tube’s reliable construction contributes to the overall durability and performance of the fuel system. It is designed to be compatible with Cummins engines, ensuring seamless integration and operation within these systems ⁵.

Installation and Compatibility

Proper installation of the Fuel Supply Tube involves following manufacturer guidelines to ensure a secure and leak-free connection. This may require specific tools and attention to detail to achieve the correct fit. The tube is compatible with a range of Cummins engine models, designed to fit within the specified fuel system configurations ⁵.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube includes checking for signs of wear or damage and ensuring all connections are secure. Common issues may include fuel leaks or inconsistent fuel delivery, which can often be traced back to connection points or tube integrity. Troubleshooting steps may involve inspecting the tube for physical damage, ensuring proper installation, and checking system pressures ⁴.

Safety Considerations

When working with the Fuel Supply Tube or any fuel system component, it is important to follow safety practices. This includes working in a well-ventilated area, avoiding open flames or sparks, and ensuring the fuel system is depressurized before beginning any work. Proper handling and disposal of fuel and contaminated materials are also critical to maintain a safe working environment ⁵.

Cummins Corporation Overview

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 history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and efficient engine components, including the Cummins 3917565 Fuel Supply Tube ⁵.

Conclusion

The Cummins 3917565 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its durable construction, compatibility with Cummins engines, and role in maintaining fuel system efficiency and safety make it an essential part for optimal engine performance.