3907582
Fuel Supply Tube
Cummins®

The Cummins 3907582 Fuel Supply Tube is a critical component in the fuel systems of commercial trucks, designed to facilitate the transfer of fuel from the tank to the engine. This ensures a consistent and reliable supply of fuel for combustion, which is essential for the efficient operation of the truck’s fuel system.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit within the fuel system, carrying fuel from the storage tank to the engine. It provides a pathway for fuel to travel under pressure, ensuring the engine receives the necessary fuel for operation. The importance of a fuel supply tube lies in its role in maintaining the proper delivery of fuel, which is vital for engine performance and efficiency ¹.

Role of the Cummins 3907582 Fuel Supply Tube

The Cummins 3907582 Fuel Supply Tube is specifically designed to transport fuel from the tank to the engine in commercial trucks. It is engineered to withstand the pressures and conditions within the fuel system, ensuring efficient and uninterrupted fuel delivery. This part plays a role in the overall fuel delivery system by providing a reliable connection between the fuel tank and the engine.

Key Features

This Cummins part is constructed from materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance efficiency and longevity, such as reinforced connections and a smooth interior to facilitate fuel flow. Unique attributes of this fuel supply tube may include specific fittings or connectors that are compatible with Cummins engines, ensuring a secure and efficient fuel delivery system.

Benefits

The use of the Cummins 3907582 Fuel Supply Tube can lead to improved fuel efficiency, as it ensures a consistent and reliable fuel supply to the engine. This component contributes to the reliability of fuel delivery, which is important for maintaining engine performance. Additionally, by ensuring that the engine receives the correct amount of fuel, this tube plays a role in supporting the overall efficiency and power output of the engine ².

Troubleshooting and Maintenance

Common issues with fuel supply tubes may include leaks, blockages, or wear and tear. To address these issues, it is recommended to inspect the tube regularly for signs of damage or deterioration. Maintenance practices should include checking for proper connections, ensuring that there are no obstructions in the tube, and replacing the tube if it shows signs of significant wear or damage. These practices help to ensure the longevity and optimal performance of the fuel supply system.

About Cummins

Cummins Inc. is renowned for its expertise in diesel engine manufacturing. With a history of innovation and quality, Cummins has established itself as a provider of high-quality components for the commercial trucking industry. The company’s commitment to excellence is reflected in its product line, which includes a range of components designed to enhance the performance and reliability of commercial vehicles.

Cummins Fuel Supply Tube (Part 3907582) Compatibility

The Cummins Fuel Supply Tube, identified by part number 3907582, is a critical component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel tank to the engine’s fuel injection system.

Compatibility with Specific Cummins Engines

• 6B5.9 Engine Family: The 3907582 Fuel Supply Tube is specifically designed to fit seamlessly within the 6B5.9 engine family. This engine is known for its robust performance and is widely used in various industrial applications. The tube’s precise fitment ensures optimal fuel flow, contributing to the engine’s overall efficiency and performance.

• Other Cummins Engines: While the primary focus is on the 6B5.9 engine, the 3907582 Fuel Supply Tube is also compatible with other Cummins engines that share similar fuel delivery system configurations. This compatibility extends to engines used in heavy-duty trucks, construction equipment, and marine applications, ensuring a broad range of applications for this part.

Importance of Proper Fitment

The proper fitment of the 3907582 Fuel Supply Tube is crucial for maintaining the integrity of the fuel delivery system. Any discrepancies in fitment can lead to fuel leaks, reduced engine performance, and potential safety hazards. Cummins engineers the 3907582 to meet stringent quality standards, ensuring it fits perfectly within the specified engine models.

Installation and Maintenance

When installing the 3907582 Fuel Supply Tube, it is essential to follow the manufacturer’s guidelines to ensure a secure and leak-free connection. Regular maintenance checks should be performed to inspect the tube for any signs of wear or damage, which can compromise its functionality. Cummins recommends using genuine parts for replacements to maintain the engine’s performance and reliability.

Role of Part 3907582 Fuel Supply Tube in Engine Systems

The 3907582 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. It facilitates the seamless transfer of fuel from the lift pump to the main pump, ensuring a consistent and reliable fuel supply to the engine.

Integration with Lift Pump

In systems equipped with a lift pump, the 3907582 Fuel Supply Tube connects the outlet of the lift pump to the inlet of the main pump. The lift pump’s role is to draw fuel from the tank and deliver it under low pressure to the main pump. The fuel supply tube ensures that this transfer is smooth and uninterrupted, minimizing the risk of air pockets or fuel starvation.

Connection to Main Pump

The main pump, often a high-pressure pump, relies on a steady fuel supply to operate efficiently. The 3907582 Fuel Supply Tube provides a direct and secure pathway for fuel to flow from the lift pump to the main pump. This connection is vital for maintaining the pressure and flow rate required by the main pump to deliver fuel to the engine’s injectors.

Fuel Transfer Efficiency

The design of the 3907582 Fuel Supply Tube enhances fuel transfer efficiency by reducing turbulence and ensuring a laminar flow of fuel. This is particularly important in high-performance engines where even minor disruptions in fuel flow can affect engine performance and fuel economy ³.

System Reliability

By providing a robust and reliable connection between the lift pump and the main pump, the 3907582 Fuel Supply Tube contributes to the overall reliability of the fuel system. Its durable construction and precise fitment help prevent leaks and ensure that the fuel system operates within specified parameters.

Conclusion

In summary, the 3907582 Fuel Supply Tube plays a significant role in the fuel delivery process, ensuring that fuel is efficiently transferred from the lift pump to the main pump, thereby supporting the engine’s performance and reliability. Regular maintenance and proper installation are crucial to maintaining the integrity and efficiency of the fuel delivery system.