4000916
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4000916 Fuel Supply Tube is a component designed for use in commercial trucks, specifically within the fuel delivery system. Its purpose is to transport 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 directly influences the engine’s performance and efficiency ¹.

Basic Concepts of Fuel Supply Tubes

A Fuel Supply Tube is a conduit within the fuel system that facilitates the transfer of fuel from the storage tank to the engine. It operates under pressure generated by the fuel pump, which pushes fuel through the tube to the engine’s fuel injection system. The tube must be durable and resistant to the corrosive properties of fuel to ensure a reliable and uninterrupted fuel supply ².

Purpose of the Cummins 4000916 Fuel Supply Tube

This Cummins part plays a role in the fuel delivery system by ensuring a steady flow of fuel to the engine. It is designed to withstand the pressures and temperatures within the fuel system, providing a consistent fuel supply that is vital for the engine’s operation. This consistent supply helps maintain engine performance and efficiency ³.

Key Features

The Cummins 4000916 Fuel Supply Tube is characterized by its robust material composition, which typically includes high-quality rubber or synthetic materials that offer resistance to fuel and environmental factors. Its design incorporates features that enhance durability and performance, such as reinforced sections to withstand pressure and flexible segments to accommodate movement within the vehicle. These features contribute to the tube’s longevity and reliability in demanding commercial truck applications ⁴.

Benefits of Using the Cummins 4000916 Fuel Supply Tube

Utilizing this Cummins part offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and uncontaminated fuel supply to the engine. Its reliable performance and durability reduce the likelihood of fuel system failures, leading to increased uptime for commercial trucks. Additionally, the tube’s design and material composition enhance its longevity, providing cost-effective maintenance over the vehicle’s lifespan ⁵.

Installation and Compatibility

Proper installation of the Cummins 4000916 Fuel Supply Tube is crucial for ensuring it functions correctly within the truck’s fuel system. Installation procedures should follow manufacturer guidelines to ensure the tube is securely fitted and properly aligned with other fuel system components. Compatibility with various Cummins engine models is an important consideration, ensuring the tube meets the specific requirements of the engine it serves ⁶.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 4000916 Fuel Supply Tube involves inspecting for signs of wear, cracks, or leaks, and replacing the tube if necessary to prevent fuel system issues. Common problems may include fuel leaks or reduced fuel flow, which can often be traced back to the condition of the supply tube. Troubleshooting tips include checking for proper installation, ensuring there are no obstructions in the fuel line, and verifying that the tube is compatible with the engine model ⁷.

Safety Considerations

When handling, installing, or maintaining the Cummins 4000916 Fuel Supply Tube, it is important to observe safety practices to prevent accidents. This includes working in a well-ventilated area when dealing with fuel systems, wearing appropriate personal protective equipment, and ensuring that the fuel system is depressurized before beginning any work. Adhering to these safety practices helps ensure the safe operation of the fuel supply tube and the overall fuel system ⁸.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range is designed to meet the demanding requirements of commercial applications, emphasizing reliability, efficiency, and performance ⁹.

Application in Cummins Engines

QSK60 CM500 Engines

The Fuel Supply Tube 4000916 is integral to the QSK60 CM500 engines, facilitating the smooth flow of fuel necessary for optimal engine performance. This part is designed to withstand the high pressures and temperatures typical in these engines, ensuring durability and reliability under demanding conditions ¹⁰.

Other Cummins Engines

While the primary focus here is on the QSK60 CM500 engines, the Fuel Supply Tube 4000916 is also compatible with other Cummins engines. Its design and engineering make it suitable for a range of applications, providing a consistent and dependable fuel supply across different engine models ¹¹.

This part’s compatibility with multiple engine types underscores its versatility and importance in maintaining the integrity of the fuel delivery system.

Role of Part 4000916 Fuel Supply Tube in Engine Systems

This Cummins part is an essential component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel tank to the engine’s fuel injectors or carburetor. This ensures a consistent and reliable fuel supply, which is necessary for the engine’s optimal performance ¹².

Interaction with Plumbing

The Fuel Supply Tube interfaces with the engine’s fuel plumbing system. It connects to the fuel lines that run from the fuel tank to the engine compartment. The tube’s design allows for a secure and leak-proof connection, which is vital for maintaining the integrity of the fuel system. It also accommodates the necessary bends and routing required to avoid interference with other engine components, ensuring a smooth and uninterrupted fuel flow ¹³.

Integration with Engine Control Module (ECM)

The Fuel Supply Tube plays a supportive role in the engine’s fuel management system, which is controlled by the Engine Control Module (ECM). The ECM monitors various parameters such as engine load, RPM, and air-fuel ratio to determine the precise amount of fuel needed. The Fuel Supply Tube ensures that the fuel is delivered to the injectors at the correct pressure and flow rate, allowing the ECM to maintain the desired air-fuel mixture. This results in efficient combustion, reduced emissions, and improved overall engine performance ¹⁴.

Conclusion

The Cummins 4000916 Fuel Supply Tube is a critical component in the fuel delivery system of commercial trucks, ensuring a consistent and reliable fuel supply to the engine. Its robust design, compatibility with various Cummins engines, and integration with the engine’s fuel management system contribute to improved engine performance, efficiency, and reliability. Proper installation, maintenance, and adherence to safety practices are essential for maximizing the benefits of this part.