4940365
Fuel Supply Tube
Cummins®

The Cummins Fuel Supply Tube (4940365) is a critical component in the fuel delivery system of commercial trucks, ensuring efficient and reliable fuel transfer from the tank to the engine. Cummins, a renowned name in the commercial truck industry, is known for its high-quality engine components and systems. This part is designed to withstand the high pressures and temperatures associated with modern diesel engines, providing durability and longevity ¹.

Purpose and Function

The Fuel Supply Tube (4940365) facilitates the transfer of fuel from the tank to the engine, ensuring a consistent and uninterrupted flow of fuel. This is necessary for the engine to operate efficiently. By maintaining a stable fuel supply, the tube contributes to the overall performance and reliability of the truck’s engine ².

Key Features

This Cummins part is constructed from high-quality materials, ensuring durability and resistance to wear and corrosion. Its design includes precise engineering to fit seamlessly within the truck’s fuel system, enhancing both performance and longevity. Unique characteristics such as reinforced joints and a smooth interior surface minimize fuel flow resistance and prevent clogs, further enhancing its efficiency and reliability ³.

Benefits

The use of the Fuel Supply Tube (4940365) offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and clean fuel supply to the engine. Its reliable design reduces the likelihood of fuel system failures, leading to increased uptime for commercial trucks. Additionally, its compatibility with specific engine types ensures optimal performance and integration within the fuel system ⁴.

Installation and Compatibility

Proper installation of the Fuel Supply Tube (4940365) is vital to ensure it functions correctly within the truck’s fuel system. Installation guidelines should be followed carefully, including any prerequisites or special considerations. This component is designed to be compatible with a range of truck models and engine types, ensuring it can be used in various commercial truck applications ⁵.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube (4940365) is recommended to ensure its longevity and optimal performance. This includes periodic inspections for signs of wear, corrosion, or damage. Common issues that may arise include clogs or leaks, which can be addressed by cleaning the tube or replacing damaged sections. Following manufacturer guidelines for maintenance can help prevent these issues and ensure the fuel system operates efficiently ⁶.

Safety Considerations

When handling, installing, or maintaining the Fuel Supply Tube (4940365), it is important to observe safety guidelines and precautions. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and ensuring the fuel system is depressurized before beginning any work. Adhering to these safety practices helps protect both the technician and the equipment ⁷.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance engine components. Their product range includes a variety of engines and components designed to meet the demanding requirements of commercial transportation ⁸.

Cummins Fuel Supply Tube 4940365

The Cummins Fuel Supply Tube (4940365) is a critical component in the fuel delivery system of various engines, ensuring the efficient and reliable transfer of fuel from the fuel tank to the engine. This part is designed to withstand the high pressures and temperatures associated with modern diesel engines, providing durability and longevity.

ISB (Chrysler)

In the ISB engines, the Fuel Supply Tube (4940365) is integral to the fuel system’s integrity. It connects the fuel tank to the fuel pump, facilitating the movement of fuel through the system. This tube is engineered to handle the specific demands of the ISB engines, which are known for their robust performance and reliability in various applications.

Cummins Engines

The Cummins Fuel Supply Tube (4940365) is also compatible with a range of Cummins engines. Its design ensures seamless integration with the fuel delivery systems of these engines, providing a reliable pathway for fuel flow. This compatibility extends across various models and series, making it a versatile component for Cummins engine users.

Grouping of Engines

The Fuel Supply Tube (4940365) is engineered to fit seamlessly with several engine groups, including but not limited to, the ISB series and other Cummins engines. This part’s design allows it to be a universal fit for these engines, ensuring that users can easily replace or upgrade their fuel supply tubes without compatibility issues.

Application Considerations

When installing the Cummins Fuel Supply Tube (4940365), it is essential to consider the specific requirements of the engine it will be used with. Proper installation ensures optimal performance and longevity of the fuel system. Users should follow manufacturer guidelines and use the appropriate tools and techniques to ensure a secure and leak-free connection.

Role of Part 4940365 Fuel Supply Tube in Engine Systems

The Fuel Supply Tube (4940365) is an integral component in the fuel delivery system of various engine setups. It facilitates the seamless transfer of fuel from the fuel tank to the fuel filter, ensuring a consistent and reliable fuel supply to the engine.

Integration with Fuel Filter

The Fuel Supply Tube (4940365) connects directly to the fuel filter, which is responsible for removing impurities and contaminants from the fuel before it reaches the engine. This connection is vital for maintaining the efficiency and longevity of the fuel filter. The tube’s design allows for a secure and leak-proof attachment, which is essential for safe and effective fuel delivery.

Interaction with Fuel Filter Plumbing

In conjunction with the fuel filter plumbing, the Fuel Supply Tube (4940365) plays a significant role in the overall fuel system integrity. The plumbing consists of various hoses, connectors, and fittings that route fuel throughout the system. The fuel supply tube ensures that fuel flows smoothly from the tank to the filter, reducing the risk of blockages or restrictions that could impair engine performance.

Ensuring Consistent Fuel Flow

By providing a dedicated pathway for fuel, the Fuel Supply Tube (4940365) helps maintain a consistent fuel flow rate. This is particularly important in high-performance engines where precise fuel delivery is necessary for optimal combustion and power output. The tube’s robust construction and precise engineering contribute to the reliability and efficiency of the fuel system.

Supporting System Pressure

The Fuel Supply Tube (4940365) also supports the maintenance of system pressure. In fuel-injected engines, consistent pressure is crucial for the injectors to operate correctly. The tube’s role in connecting the fuel tank to the filter ensures that pressure is maintained throughout the system, contributing to stable engine operation under various conditions.

Facilitating Easy Maintenance

From a maintenance perspective, the Fuel Supply Tube (4940365) is designed for easy installation and replacement. This is beneficial during routine maintenance checks or when upgrades to the fuel system are performed. The tube’s straightforward design allows mechanics to quickly disconnect and reconnect it, minimizing downtime and ensuring that the fuel system remains operational.

Conclusion

The Fuel Supply Tube (4940365) is a key component in the fuel delivery system, working in tandem with the fuel filter and fuel filter plumbing to ensure a reliable and efficient fuel supply to the engine. Its robust construction, precise engineering, and compatibility with various engine types make it an essential part of the fuel system, contributing to the overall performance and reliability of commercial trucks.