3955045
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3955045 Fuel Supply Tube is a critical component in the fuel systems of commercial trucks, designed to ensure a consistent and reliable fuel supply from the tank to the engine. This part is essential for maintaining the performance and efficiency of the truck’s engine, playing a significant role in the engine cooling system by facilitating the transfer of fuel under pressure and temperature conditions typical of diesel engines ¹.

Purpose and Function

This Cummins part serves as a conduit within the fuel system, allowing fuel to travel from the storage tank to the engine. It is engineered to withstand the pressures and temperatures associated with fuel transport, ensuring a steady flow of fuel necessary for combustion. This consistent fuel delivery is fundamental to the engine’s ability to operate efficiently and produce the power required for the truck’s intended use ².

Key Features

The Fuel Supply Tube is constructed with materials that offer resistance to the corrosive effects of fuel and the high temperatures within the engine compartment. Its design includes features that enhance its durability and performance, such as reinforced connections to prevent leaks and a smooth interior to minimize fuel flow resistance. These characteristics contribute to the tube’s reliability and longevity in demanding commercial truck applications ³.

Benefits

The use of the 3955045 can lead to improved fuel efficiency due to its design, which minimizes fuel flow restrictions. Its reliable construction ensures consistent performance, reducing the likelihood of fuel system failures. Additionally, the tube is compatible with specific Cummins engine models, ensuring a precise fit and function within the fuel system.

Installation and Integration

Proper installation of the Fuel Supply Tube involves several steps to ensure it is securely integrated into the fuel system. This process may require specific tools and should follow manufacturer guidelines to avoid damage to the tube or the fuel system. Careful attention to the alignment and securing of connections is necessary to prevent fuel leaks and ensure the tube operates as intended.

Maintenance and Troubleshooting

Routine maintenance of the 3955045 includes regular inspections for signs of wear, corrosion, or leaks. Cleaning the tube and its connections can prevent the buildup of contaminants that may affect fuel flow. If issues arise, such as fuel leaks or inconsistent fuel delivery, troubleshooting steps may involve checking connections, inspecting for damage, and ensuring the tube is properly seated within the fuel system.

Safety Considerations

When handling and working with the Fuel Supply Tube, it is important to observe safety protocols to prevent accidents. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and ensuring that the fuel system is depressurized before beginning any work. Adhering to these safety measures helps protect individuals from the hazards associated with fuel systems.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel engines and related technologies. With a history of innovation and a reputation for quality, Cummins products are trusted by commercial vehicle operators worldwide. The 3955045 Fuel Supply Tube is a testament to the company’s commitment to providing reliable and efficient components for the transportation industry.

Role of Part 3955045 Fuel Supply Tube in Engine Systems

Integration with Plumbing Systems

In the context of engine plumbing, the Fuel Supply Tube serves as a vital conduit that transports fuel from the fuel tank to the engine’s fuel rail. This tube is designed to withstand the pressures and temperatures associated with fuel transport, ensuring that fuel is delivered without leaks or interruptions. Its precise fit within the plumbing system allows for seamless connection to other fuel lines and components, facilitating a smooth flow of fuel throughout the system.

Interaction with Injectors

The Fuel Supply Tube plays a significant role in the operation of fuel injectors. By providing a steady supply of fuel to the fuel rail, it ensures that injectors receive the necessary fuel pressure to atomize and deliver fuel into the combustion chamber effectively. This consistent fuel pressure is essential for the injectors to perform optimally, contributing to efficient combustion and overall engine performance.

Contribution to Campaign Kits

In campaign kits designed to address specific engine issues or upgrades, the Fuel Supply Tube is often included to ensure that the fuel system remains intact and functions correctly post-modification. Its inclusion in these kits highlights its importance in maintaining the integrity of the fuel delivery system, whether the campaign involves performance enhancements or corrective measures.

Conclusion

Overall, the Part 3955045 Fuel Supply Tube is a key component in the fuel delivery system, interacting closely with plumbing systems and injectors to ensure reliable and efficient engine operation. Its design, durability, and compatibility with specific Cummins engine models make it a vital part of the engine’s fuel system, contributing to the overall performance and efficiency of commercial trucks.