4000922
Fuel Supply Tube
Cummins®

The Cummins 4000922 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks. Cummins, a leader in the automotive industry for diesel engines and components, ensures that this part meets the stringent demands of heavy-duty applications. This part is designed to facilitate efficient and reliable fuel delivery, which is essential for the optimal performance of truck engines.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit that transports fuel from the fuel tank to the engine. Its function within the fuel system is to provide a consistent and uninterrupted flow of fuel, which is necessary for the engine’s combustion process. The tube’s role is significant in maintaining the engine’s performance by ensuring that the fuel reaches the engine in the correct quantity and pressure.

Purpose of the 4000922 Fuel Supply Tube

The 4000922 Fuel Supply Tube is designed to ensure a consistent fuel supply to the engine. It plays a role in the fuel delivery process by maintaining the integrity of the fuel flow from the tank to the engine. This consistency is important for the engine’s combustion efficiency and overall performance. The tube is engineered to withstand the pressures and temperatures associated with fuel delivery in heavy-duty truck applications.

Key Features

This Cummins part is constructed from high-quality materials that offer resistance to corrosion and wear. Its design includes features such as reinforced connections and a smooth interior to facilitate efficient fuel flow. These characteristics contribute to the tube’s performance and durability, ensuring it can operate under the demanding conditions typical of heavy-duty truck use.

Benefits

The advantages of the 4000922 Fuel Supply Tube include improved fuel efficiency, as it allows for a more consistent fuel delivery to the engine. Its reliable construction contributes to the overall dependability of the fuel system. Additionally, the tube’s durability means it can provide long-term service, reducing the need for frequent replacements.

Installation Process

Installing the 4000922 Fuel Supply Tube requires careful attention to ensure optimal performance. The process involves securing the tube to the fuel system with the appropriate fittings and ensuring that all connections are tight to prevent leaks. It is important to follow the manufacturer’s guidelines during installation to maintain the integrity of the fuel delivery system.

Troubleshooting Common Issues

Common problems with fuel supply tubes can include leaks or blockages. To address these issues, it is important to inspect the tube and connections regularly. If a leak is detected, the affected area should be repaired or replaced. Blockages can often be cleared by flushing the tube or, in some cases, by replacing the tube if the blockage is severe.

Maintenance Tips

To prolong the lifespan of the 4000922 Fuel Supply Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage and cleaning the tube to remove any contaminants that could affect fuel flow. Adhering to these maintenance practices can help ensure the tube continues to function effectively.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad product range, Cummins is well-regarded in the automotive industry, particularly for its diesel engines and components. The company’s commitment to quality and performance is evident in its products, including the 4000922 Fuel Supply Tube ¹.

Cummins Engine Part 4000922: Fuel Supply Tube

The Cummins part 4000922, known as the Fuel Supply Tube, is a critical component in the fuel delivery system of certain Cummins engines. This part is integral to ensuring that fuel is efficiently and accurately delivered to the engine’s combustion chambers.

Application in Cummins Engines

The Fuel Supply Tube (part 4000922) is specifically designed to fit within the Cummins QSK45 and CM500 engine families. These engines are known for their robust performance and reliability, often used in heavy-duty applications such as marine, power generation, and industrial sectors.

Cummins QSK45

In the Cummins QSK45 engine, the Fuel Supply Tube (part 4000922) plays a vital role in maintaining the integrity of the fuel delivery system. This engine is part of the QSK series, which is renowned for its high power output and efficiency. The QSK45 model is particularly favored in marine and power generation applications due to its durability and performance under demanding conditions.

Cummins CM500

Similarly, in the Cummins CM500 engine, the Fuel Supply Tube (part 4000922) is essential for the proper functioning of the fuel system. The CM500 engine is a member of the Cummins C-Series, which is widely used in various industrial applications. This engine is known for its reliability and efficiency, making it a popular choice for heavy-duty operations.

Importance of the Fuel Supply Tube

The Fuel Supply Tube (part 4000922) is crucial for the following reasons:

• Fuel Delivery: It ensures that fuel is delivered from the fuel pump to the injectors in a consistent and controlled manner.
• Pressure Maintenance: It helps maintain the necessary fuel pressure within the system, which is critical for optimal engine performance.
• Leak Prevention: It prevents fuel leaks, which can be hazardous and detrimental to engine performance.

By ensuring that the fuel supply tube is in good condition, engine operators can maintain the efficiency and reliability of their Cummins QSK45 and CM500 engines. Regular inspection and maintenance of this part are recommended to prevent potential issues related to fuel delivery ².

Role of Part 4000922 Fuel Supply Tube in Engine Systems

The part 4000922 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. It facilitates the transfer of fuel from the fuel tank to the engine, ensuring a consistent and reliable fuel supply.

Integration with Plumbing

In the context of engine plumbing, the Fuel Supply Tube connects to the fuel tank at one end and to the fuel filter or fuel rail at the other. This tube is part of a network of pipes and hoses that manage the flow of fuel throughout the engine system. Its precise fit and secure connections are vital for maintaining fuel pressure and preventing leaks, which are fundamental for the engine’s performance and safety.

Interaction with Engine Control Module (ECM)

The Fuel Supply Tube also plays a supportive role in the operation of the Engine Control Module (ECM). The ECM relies on a steady fuel supply to manage fuel injection timing and quantity. Any inconsistency in fuel delivery can lead to improper air-fuel mixture, affecting engine performance and emissions. The Fuel Supply Tube, by ensuring a stable fuel flow, aids the ECM in maintaining optimal engine operation.

Conclusion

In summary, the 4000922 Fuel Supply Tube is integral to the fuel delivery system, working in conjunction with the engine’s plumbing and the ECM to ensure efficient and safe engine performance. Regular maintenance and inspection of this part are essential to prevent potential issues related to fuel delivery and to maintain the overall efficiency and reliability of the engine ³.