3923090
Fuel Supply Tube
Cummins®

The Cummins 3923090 Fuel Supply Tube is a component designed for use in heavy-duty trucks. It plays a role in the fuel delivery system by ensuring that the engine receives a consistent and reliable supply of fuel. This part is integral to the efficient operation of Cummins engines, contributing to their performance and durability.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit within the fuel system that transports fuel from the tank to the engine. Its function is to provide a steady and uninterrupted flow of fuel, which is vital for the engine’s combustion process. The performance of a truck’s engine is directly influenced by the efficiency of its fuel supply system, making the fuel supply tube a key component ¹.

Purpose of the Cummins 3923090 Fuel Supply Tube

This Cummins part is designed to ensure a consistent supply of fuel to the engine. It connects to the fuel tank and routes fuel to the engine’s fuel injection system. This consistent fuel supply is necessary for the engine to operate efficiently and maintain optimal performance levels.

Key Features

The Cummins 3923090 is constructed with materials and design elements that enhance its performance and durability. It is made from high-quality materials that resist corrosion and wear, ensuring a long service life. The tube’s design includes features that facilitate easy installation and maintenance, as well as compatibility with Cummins engine models.

Benefits of Using the Cummins 3923090 Fuel Supply Tube

Utilizing this part offers several advantages. It contributes to improved fuel efficiency by ensuring a clean and consistent fuel supply to the engine. The tube’s reliable performance enhances the overall reliability of the fuel system. Additionally, its compatibility with Cummins engines ensures seamless integration and optimal function within the system.

Installation and Compatibility

Proper installation of the Cummins 3923090 is important to ensure it functions correctly within the fuel system. It is designed to be compatible with various Cummins engine models, allowing for straightforward replacement or upgrade of existing fuel supply tubes. Following manufacturer guidelines during installation helps maintain the integrity of the fuel system.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3923090 is important to ensure its continued reliable performance. This includes periodic inspections for signs of wear, corrosion, or damage. Common issues may include fuel leaks or blockages, which can be addressed through troubleshooting procedures that involve checking connections, cleaning, or replacing damaged sections as necessary.

Safety Considerations

When working with the fuel supply system and the Cummins 3923090, it is important to observe safety practices. This includes ensuring the engine is off and the fuel system is depressurized before beginning any work. Additionally, using appropriate personal protective equipment and working in a well-ventilated area are important safety measures to prevent accidents and ensure a safe working environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for producing high-quality engines and components that are known for their reliability and performance in various applications, including heavy-duty trucks.

Cummins Fuel Supply Tube 3923090 in Engine Applications

The Cummins Fuel Supply Tube 3923090 is an integral component in several engine models, ensuring the efficient delivery of fuel to the engine’s combustion chambers. This part is meticulously designed to meet the stringent demands of various engine applications, providing durability and reliability.

Engine Compatibility

• 6B5.9 Series: The 3923090 is specifically engineered to fit seamlessly within the 6B5.9 engine series. This engine series is known for its robust performance and is widely used in heavy-duty applications, including industrial and agricultural machinery. The tube’s precise fit ensures optimal fuel flow, contributing to the engine’s overall efficiency and power output.

• Other Cummins Engines: While the 3923090 is prominently featured in the 6B5.9 series, it is also compatible with other Cummins engines that share similar design and operational requirements. This compatibility extends to various engine models where the design specifications align with the needs of the 3923090 Fuel Supply Tube.

Installation and Functionality

The installation of the Cummins Fuel Supply Tube 3923090 is straightforward, designed to integrate seamlessly with the engine’s existing fuel system. Its primary function is to transport fuel from the fuel pump to the injectors, ensuring a consistent and uninterrupted fuel supply. This is crucial for maintaining engine performance and preventing potential fuel-related issues.

Importance in Engine Performance

The 3923090 plays a role in the engine’s performance by ensuring that the fuel is delivered at the correct pressure and flow rate. This helps in achieving optimal combustion, which is essential for the engine’s efficiency and longevity. The tube’s design also minimizes the risk of fuel leaks, which can be hazardous and detrimental to engine performance.

Maintenance and Replacement

Regular maintenance of the 3923090 is essential to ensure its longevity and proper functioning. It is recommended to inspect the tube for any signs of wear, damage, or leaks during routine engine maintenance. Timely replacement of the tube, if necessary, can prevent potential engine issues and maintain the engine’s performance standards.

Role of Part 3923090 Fuel Supply Tube in Engine Systems

The Fuel Supply Tube is integral to the efficient operation of various engine systems. It serves as a vital conduit within the fuel system, ensuring a steady and reliable flow of fuel from the lift pump to the main pump. This seamless fuel transfer is essential for maintaining the engine’s performance and efficiency.

In the context of the fuel system, the Fuel Supply Tube works in conjunction with the lift pump to draw fuel from the tank and deliver it to the main pump under the necessary pressure. This pressurized fuel is then further processed by the main pump, which increases the pressure to levels required for injection into the engine’s combustion chambers.

Additionally, the Fuel Supply Tube plays a significant role in the fuel transfer process. It ensures that fuel is consistently available to the engine, even under varying operational conditions. This reliability is particularly important in systems where accessories or additional components rely on a stable fuel supply.

Overall, the Part 3923090 Fuel Supply Tube is a key component that facilitates the smooth and efficient transfer of fuel within the engine system, supporting the functionality of both the lift pump and the main pump.

Conclusion

The Cummins 3923090 Fuel Supply Tube is a critical 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 durability of Cummins engines. Proper installation, regular maintenance, and adherence to safety practices are essential for maximizing the benefits of this part.