4009250
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4009250 Fuel Supply Tube is a critical component for heavy-duty trucks equipped with Cummins engines. This part ensures a consistent and reliable fuel supply from the tank to the engine, which is essential for maintaining engine efficiency and performance under various operating conditions ¹.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube, such as the 4009250, is a conduit within the fuel system that carries fuel from the storage tank to the engine. It provides a continuous and unobstructed path for fuel flow, which is vital for the engine’s combustion process. The efficiency of the fuel supply system directly impacts the engine’s performance, making the fuel supply tube a key component for optimal operation ².

Purpose and Role of the 4009250 Fuel Supply Tube

This Cummins part is engineered to ensure efficient fuel transfer from the tank to the engine, maintaining the necessary pressure and flow rate for combustion. It is designed to withstand the demands of heavy-duty applications, providing a stable fuel supply that contributes to the engine’s overall performance and durability ³.

Key Features

The 4009250 Fuel Supply Tube is constructed from durable materials that resist the corrosive effects of fuel. Its design includes reinforced connections and a smooth interior to facilitate fuel flow, ensuring effective operation in challenging environments typical of heavy-duty truck applications.

Benefits of Using the 4009250 Fuel Supply Tube

Utilizing this part in a Cummins engine setup can lead to improved fuel efficiency and enhanced engine performance. It ensures a consistent and clean fuel supply, contributing to increased reliability, especially in demanding operating conditions. The tube’s design and material composition support optimal fuel delivery, promoting engine efficiency and longevity.

Installation and Compatibility

Proper installation of the 4009250 Fuel Supply Tube requires adherence to manufacturer guidelines to ensure compatibility and optimal performance. It is designed to fit specific Cummins engine models and configurations, and its installation may require certain tools or equipment. Following recommended procedures ensures that the tube is securely and correctly installed, contributing to the overall efficiency of the fuel system.

Maintenance and Troubleshooting

Routine maintenance of the 4009250 Fuel Supply Tube is important for ensuring its longevity and optimal performance. This includes regular inspections for signs of wear or damage and ensuring that connections are secure. Troubleshooting common issues, such as fuel leaks or inconsistent fuel flow, may involve checking for blockages or damage to the tube. Addressing these issues promptly can prevent more significant problems and ensure the continued reliable operation of the fuel system.

Safety Considerations

When working with the fuel supply system, including the 4009250 Fuel Supply Tube, it is important to follow safety precautions and best practices. This includes proper handling of fuel to prevent spills and ensuring that all work is conducted in a well-ventilated area. Adhering to manufacturer guidelines for installation, maintenance, and troubleshooting is crucial for safety and ensures the system operates as intended.

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 and a commitment to quality, Cummins has established a reputation for producing reliable and efficient engine technology. The company’s product offerings span a wide range of industries, including automotive, where its engines are known for their performance and durability. Cummins’ dedication to advancing engine technology is evident in its continued investment in research and development, ensuring that its products meet the evolving needs of its customers.

Cummins Fuel Supply Tube 4009250 in Engine Applications

The Cummins Fuel Supply Tube 4009250 is a critical component in several engine models, ensuring the efficient and reliable transfer of fuel within the engine system. This part is integral to the operation of the following Cummins engines:

• QSK19 CM500

In these engines, the Fuel Supply Tube 4009250 is designed to connect various fuel system components, facilitating the movement of fuel from the fuel tank to the injection system. Its precise engineering ensures that fuel is delivered consistently and under the correct pressure, which is essential for maintaining optimal engine performance and efficiency. The tube’s robust construction and precise fitment are critical for preventing leaks and ensuring the longevity of the fuel system.

Role of Part 4009250 Fuel Supply Tube in Engine Systems

The 4009250 Fuel Supply Tube is an integral component in the efficient operation of various engine systems. It serves as a vital conduit for delivering fuel from the fuel tank to the engine, ensuring a consistent and reliable fuel supply.

Integration with the Fuel System

Within the fuel system, the 4009250 Fuel Supply Tube connects to the fuel pump and the fuel filter, facilitating the smooth transfer of fuel. Its precise fit and secure connections prevent fuel leaks and maintain the integrity of the fuel delivery process. The tube’s design allows it to withstand the pressures and temperatures within the fuel system, contributing to overall engine performance.

Contribution to Accessories

When considering engine accessories, the 4009250 Fuel Supply Tube plays a supporting role. Accessories such as fuel pressure regulators and fuel injectors rely on a steady fuel supply to function correctly. The tube ensures that these components receive the necessary fuel flow, enhancing the efficiency and reliability of the engine’s accessory systems.

Role in Hot Start and Knock Kit

In systems equipped with a Hot Start Knock Kit, the 4009250 Fuel Supply Tube is particularly important. This kit is designed to prevent engine knocking during hot starts by adjusting the fuel delivery. The tube’s role in providing a consistent fuel supply is essential for the kit to function effectively. It ensures that the fuel mixture remains optimal, reducing the risk of engine knock and promoting smoother operation during startup.

Conclusion

The 4009250 Fuel Supply Tube is a key component in maintaining the performance and reliability of engine systems, supporting both primary fuel delivery and accessory functions. Its role in ensuring a consistent and reliable fuel supply is critical for the efficient operation of Cummins engines, contributing to their durability and performance in heavy-duty applications.