3912923
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3912923 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It facilitates the transfer of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply essential for engine operation and performance.

Purpose and Function

This part plays a role in the fuel system by delivering fuel from the tank to the engine. It ensures a steady flow of fuel, which is necessary for maintaining engine performance under various operating conditions. By providing a direct and unobstructed pathway for fuel, it helps in achieving efficient combustion and optimal engine output ¹.

Key Features

The Cummins 3912923 Fuel Supply Tube is constructed with materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance, such as precise engineering to ensure a secure fit within the fuel system and materials that can withstand the pressures and temperatures encountered in heavy-duty applications ².

Benefits

Using this Cummins part can lead to improved fuel efficiency due to its role in maintaining a consistent fuel flow. It contributes to reliable fuel delivery, which is crucial for the smooth operation of the engine. Additionally, by ensuring that the engine receives the correct amount of fuel, it helps in enhancing overall engine performance and longevity ³.

Installation and Compatibility

Proper installation of the Fuel Supply Tube is important for its function and the overall integrity of the fuel system. It is designed to be compatible with specific Cummins engine models, and following the manufacturer’s guidelines for installation ensures that it integrates seamlessly into the fuel system. Specific requirements for integration may include ensuring proper seals and connections to prevent leaks and maintain system pressure ⁴.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Fuel Supply Tube, regular maintenance is recommended. This includes checking for signs of wear or damage, ensuring connections are secure, and replacing the tube if any issues are detected. Common problems may include leaks or blockages, which can be addressed by inspecting the tube and connections, and making necessary repairs or replacements.

Safety Considerations

When working with the Fuel Supply Tube, it is important to follow safety practices to prevent accidents and ensure the integrity of the fuel system. This includes handling fuel systems with care, ensuring that all seals are properly installed to avoid leaks, and taking precautions to prevent fuel spills or exposure to ignition sources.

Environmental Impact

The efficient design of the Fuel Supply Tube contributes to reduced fuel consumption by ensuring that fuel is delivered to the engine without unnecessary loss or leakage. This efficiency can lead to lower emissions, aligning with environmental standards and regulations that aim to reduce the impact of heavy-duty vehicles on the environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation in engine technology, Cummins plays a significant role in the commercial truck industry, providing solutions that enhance performance, efficiency, and reliability in heavy-duty applications.

Engine Compatibility

The 3912923 Fuel Supply Tube is compatible with the following Cummins engine models:

• 6C8.3: This part is integral to the fuel system of the 6C8.3 engine, ensuring that fuel is delivered smoothly and consistently to the engine components.

The part’s design and material are optimized for use in these engines, providing durability and resistance to the harsh conditions within the engine compartment. Its precise fitment and construction are crucial for maintaining optimal engine performance and longevity.

Role of Part 3912923 Fuel Supply Tube in Engine Systems

This Cummins part is an integral component within the fuel delivery system of various engine setups. Its primary function is to transport fuel from the fuel tank to the engine’s fuel injection system or carburetor. This ensures a consistent and regulated flow of fuel, which is essential for the engine’s performance and efficiency.

In conjunction with the plumbing system of the vehicle, the Fuel Supply Tube is designed to interface seamlessly with other fuel system components. This includes connections to the fuel pump, which pressurizes the fuel, and the fuel rail, which distributes fuel to the injectors. The tube’s design allows for flexibility and durability, accommodating the vibrations and movements inherent in engine operation.

The Fuel Supply Tube also works in tandem with the fuel filter. Positioned upstream of the fuel injectors, the fuel filter removes impurities and contaminants from the fuel before it reaches the engine. The Fuel Supply Tube delivers clean, filtered fuel to the engine, ensuring optimal combustion and reducing the risk of damage to sensitive engine components.

Overall, the integration of the 3912923 Fuel Supply Tube within the engine system is designed to maintain a reliable and efficient fuel delivery process, supporting the engine’s overall performance and longevity.

Conclusion

The Cummins 3912923 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 and features contribute to improved engine performance, fuel efficiency, and environmental compliance. Proper installation, maintenance, and adherence to safety practices are essential for maximizing the benefits of this part.