4060403
Fuel Supply Tube
Cummins®

The Cummins 4060403 Fuel Supply Line is a component designed for use in commercial trucks equipped with Cummins engines. Its purpose is to facilitate the transfer of fuel from the tank to the engine, ensuring that the engine receives a consistent and reliable supply of fuel for combustion. This component is significant in the operation of commercial trucks as it contributes to the overall efficiency and performance of the vehicle ².

Basic Concepts of Fuel Supply Lines

A fuel supply line is a conduit within a truck’s fuel system that is responsible for transporting fuel from the storage tank to the engine. It operates under pressure to ensure that fuel is delivered efficiently and consistently to the engine’s fuel injection system. The proper functioning of the fuel supply line is vital for the engine to maintain optimal performance and fuel efficiency ¹.

Purpose of the Cummins 4060403 Fuel Supply Line

This Cummins part plays a role in the operation of a truck by transporting fuel from the tank to the engine. It ensures that the engine receives a steady flow of fuel, which is necessary for the combustion process that powers the vehicle. This component is integral to the fuel system, as it directly affects the engine’s ability to operate efficiently ².

Key Features

The 4060403 is constructed from materials that are resistant to the corrosive effects of diesel fuel, ensuring longevity and reliability. Its design includes features that enhance its performance, such as reinforced sections to withstand the pressure of the fuel system and smooth interior walls to facilitate fuel flow. These characteristics contribute to the durability and effectiveness of the fuel supply line in demanding commercial truck applications ².

Benefits of Using the Cummins 4060403 Fuel Supply Line

The use of this part offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent fuel supply to the engine. The line’s reliable construction and design enhance the overall reliability of the fuel system. Additionally, it is specifically engineered to be compatible with Cummins engines, which ensures optimal performance and integration within the engine system ².

Installation Considerations

When installing the 4060403, it is important to follow guidelines and best practices to ensure proper function and safety. This includes ensuring that all connections are secure and that the line is routed correctly to avoid damage or kinks that could impede fuel flow. Cummins provides specific recommendations for installation, which should be adhered to for the best results ².

Maintenance and Troubleshooting

Regular maintenance of the 4060403 is important to ensure its continued reliable operation. This includes inspecting the line for signs of wear, leaks, or damage. Common issues to watch for include fuel leaks, which can indicate a compromised line, and irregular engine performance, which may suggest a problem with fuel delivery. Troubleshooting steps may involve checking connections, inspecting the line for damage, and ensuring that the fuel system is pressurized correctly ².

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its high-quality products and commitment to innovation and customer satisfaction. The company’s extensive product offerings cater to various industries, providing reliable and efficient power solutions for a wide range of applications ².

Cummins Fuel Supply Line Part 4060403

The Cummins Fuel Supply Line part number 4060403 is a component in the fuel delivery system of several Cummins engines. This part is designed to ensure a reliable and efficient transfer of fuel from the fuel tank to the engine, maintaining the necessary pressure and flow for optimal engine performance ².

M11 CELECT PLUS and QSM11 CM570

The M11 CELECT PLUS and QSM11 CM570 engines both benefit from the precise engineering of the Cummins Fuel Supply Line part 4060403. This part is integral to the fuel management system, ensuring that the engine receives a consistent and uninterrupted fuel supply. The design of the fuel supply line is tailored to withstand the high pressures and temperatures associated with these engines, providing durability and reliability in demanding applications ².

Role of Part 4060403 Fuel Supply Line in Engine Systems

The part 4060403 Fuel Supply Line is a component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel tank to the fuel injectors or carburetor, ensuring a consistent and reliable fuel supply for combustion ².

Integration with Fuel Plumbing

In the context of fuel plumbing, the 4060403 Fuel Supply Line connects to various components to facilitate the smooth flow of fuel. It interfaces with the fuel tank outlet, where it begins its journey, transporting fuel under pressure through the system ².

Connection to Fuel Filter

Before reaching the engine, the fuel passes through the fuel filter. The 4060403 Fuel Supply Line ensures that clean, filtered fuel is delivered to the engine, enhancing performance and protecting sensitive components from contaminants ².

Interaction with Fuel Pressure Regulator

The Fuel Supply Line also plays a role in maintaining the correct fuel pressure within the system. It connects to the fuel pressure regulator, which monitors and adjusts the pressure to ensure optimal engine operation ².

Supply to Fuel Injectors

In fuel-injected engines, the 4060403 Fuel Supply Line delivers fuel to the fuel rail, which distributes it to individual fuel injectors. This precise delivery ensures that each cylinder receives the correct amount of fuel for efficient combustion ².

Carburetor Systems

In engines equipped with a carburetor, the Fuel Supply Line delivers fuel to the carburetor bowl. From there, the fuel is mixed with air and drawn into the engine through the venturi, promoting smooth and consistent engine operation ².

Safety and Efficiency

The 4060403 Fuel Supply Line is designed to withstand the pressures and temperatures within the fuel system, ensuring both safety and efficiency. Its robust construction and precise fittings are vital for maintaining the integrity of the fuel delivery process ².

Conclusion

By understanding the role of the 4060403 Fuel Supply Line within these components, engineers and mechanics can better appreciate its importance in the overall functionality and performance of the engine. Regular maintenance and proper installation are crucial to ensure the reliability and efficiency of the fuel delivery system ².