3964492
Fuel Supply Tube
Cummins®

The Cummins 3964492 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks, designed to ensure a consistent and reliable fuel supply to the engine ¹. This part facilitates the delivery of fuel from the tank to the engine, contributing to the truck’s overall performance and reliability.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit within the fuel system, transporting fuel from the tank to the engine ². Its role is essential for engine operation, ensuring fuel is delivered under the correct pressure and quantity. This component maintains a steady fuel flow, which is vital for consistent engine performance and efficiency.

Purpose of the Cummins 3964492 Fuel Supply Tube

This Cummins part ensures a consistent fuel supply to the engine, designed to withstand the pressures and conditions within the fuel system ³. It provides a reliable pathway for fuel, directly influencing the truck’s performance and efficiency through its role in the combustion process.

Key Features

Constructed from durable materials resistant to fuel corrosion, the 3964492 is designed with reinforced connections and a smooth interior to enhance performance and longevity ¹. These features contribute to its ability to maintain a reliable fuel supply under various operating conditions.

Benefits of Using the Cummins 3964492 Fuel Supply Tube

Utilizing this part offers advantages such as improved fuel efficiency, reliability due to its robust material and construction, and compatibility with Cummins engines for optimal performance ².

Installation and Integration

Proper installation of the Fuel Supply Tube involves cleaning the installation area, inspecting the tube, and using tools like wrenches and sealants for tight connections ³. Following manufacturer guidelines ensures the integrity of the fuel system and the intended function of the tube.

Maintenance and Troubleshooting

Regular maintenance includes inspecting for wear or damage, ensuring tight connections, and cleaning the tube to prevent blockages ¹. Common issues like fuel leaks or reduced flow can often be resolved by tightening connections or replacing damaged sections.

Safety Considerations

Handling, installing, or maintaining the 3964492 requires observing safety practices, including working in a well-ventilated area, wearing personal protective equipment, and ensuring the fuel system is depressurized ².

Cummins Overview

Cummins Inc. is renowned for manufacturing reliable and efficient engines and components, reflecting in the quality and reliability of the 3964492 Fuel Supply Tube ³.

Compatibility with Cummins Engines

This part is designed for compatibility with various Cummins engines, including the QSB5.9 30 CM550, ensuring efficient fuel delivery and system integrity. Its precision engineering allows for easy installation and maintenance, crucial for engine performance and longevity.

Role of Part 3964492 Fuel Supply Tube in Engine Systems

The Fuel Supply Tube is integral to the fuel delivery system, ensuring a consistent fuel flow from the tank to the engine’s fuel injection system. It connects to fuel lines and hoses, interfaces with the fuel pump outlet, and plays a significant role in the fuel filtration process by connecting to the inlet side of the fuel filter.

Conclusion

The Cummins 3964492 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks, ensuring efficient and reliable fuel supply to the engine. Its design, compatibility, and role in maintaining system efficiency underscore its importance in engine performance and reliability.