4063840
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4063840 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its primary role is to facilitate the transfer of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply that is vital for the truck’s operation ¹.

Purpose and Function

This Cummins part plays a role in the truck’s fuel system by providing a conduit for fuel to travel from the tank to the engine. The tube is engineered to withstand the pressures and conditions within the fuel system, ensuring that fuel is delivered efficiently and without interruption. Its function is integral to maintaining the engine’s performance and ensuring that the truck operates smoothly ².

Key Features

The Cummins 4063840 Fuel Supply Tube is constructed from durable materials that are resistant to the corrosive effects of fuel and the high pressures within the system. Its design includes features that enhance its performance and longevity, such as reinforced sections to prevent kinking and ensure a consistent fuel flow. The tube’s material composition and design elements contribute to its reliability and effectiveness in the demanding environment of a heavy-duty truck’s fuel system ¹.

Benefits

Using the Cummins 4063840 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and uninterrupted fuel supply to the engine. Its robust construction and design enhance the reliability of the fuel system, reducing the likelihood of leaks or failures. Additionally, the tube’s durability promotes longevity, providing a cost-effective solution for fuel supply in heavy-duty applications ².

Installation and Compatibility

Proper installation of the Cummins 4063840 Fuel Supply Tube is crucial for ensuring its effectiveness within the truck’s fuel system. Installation guidelines should be followed to ensure a secure and effective fit. Specific requirements may include ensuring the tube is properly routed to avoid sharp bends or kinks, and that all connections are tight and secure to prevent leaks ¹.

Maintenance and Troubleshooting

To ensure optimal performance of the Cummins 4063840 Fuel Supply Tube, regular maintenance is recommended. This includes inspecting the tube for signs of wear, damage, or leaks, and replacing it if necessary. Common issues that may arise include fuel leaks, which can often be traced to loose connections or damaged sections of the tube. Troubleshooting these issues typically involves a thorough inspection of the tube and its connections, followed by the appropriate repairs or replacements ².

Safety Considerations

When working with the Cummins 4063840 Fuel Supply Tube, it is important to observe safety precautions and best practices. This includes proper handling to avoid damage to the tube, secure storage to prevent accidents, and careful disposal procedures to minimize environmental impact. Ensuring that all work is performed in a well-ventilated area and away from ignition sources is also crucial for safe operation ¹.

Environmental Impact

The Cummins 4063840 Fuel Supply Tube contributes to reducing emissions and promoting sustainable transportation practices by ensuring a consistent and efficient fuel supply. This efficiency can lead to lower fuel consumption and reduced emissions, aligning with efforts to minimize the environmental impact of heavy-duty trucks ².

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 serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and more than 7,200 dealer locations. The company’s mission is to make the technologies that power a more prosperous world, focusing on creating value for customers, employees, and communities ¹.

Compatibility with Cummins Engines

The Cummins Fuel Supply Tube 4063840 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, maintaining optimal performance and fuel economy ².

Compatibility with Cummins Engines

The Fuel Supply Tube 4063840 is designed to fit seamlessly with several Cummins engine models. Here are the engines and engine groups where this part is applicable:

• 6B5.9 Series: This part is compatible with the 6B5.9 engine series, ensuring that the fuel supply remains consistent and uninterrupted. The 6B5.9 engines are known for their robust design and are often used in heavy-duty applications.

• Other Cummins Engines: While the 6B5.9 series is a primary focus, the 4063840 Fuel Supply Tube is also compatible with other Cummins engines within similar engine groups. These engines share common design elements and specifications, making the part interchangeable across various models ¹.

Installation and Functionality

The installation of the Cummins Fuel Supply Tube 4063840 is straightforward, designed to fit precisely within the engine’s fuel system architecture. This ensures that the fuel supply is maintained without leaks or disruptions, which is crucial for the engine’s performance and longevity ².

Conclusion

The Cummins 4063840 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its durable construction, compatibility with various Cummins engines, and straightforward installation process make it an essential part for maintaining optimal engine performance and efficiency. Regular maintenance and adherence to safety practices are crucial for maximizing the benefits of this part, contributing to both the operational efficiency of the truck and the reduction of environmental impact.