4945047
Injector Fuel Supply Tube
Cummins®

The Cummins 4945047 Injector Fuel Supply Tube is a component designed for use in heavy-duty truck fuel systems. Its purpose is to facilitate the efficient delivery of fuel from the fuel tank to the injectors, ensuring that the engine operates smoothly and effectively. This part is significant in the operation of heavy-duty trucks, as it contributes to the overall performance and reliability of the engine ¹.

Basic Concepts of Injector Fuel Supply Tubes

An Injector Fuel Supply Tube is a conduit within the fuel system that carries fuel from the fuel tank to the injectors. Its function is to provide a consistent and reliable supply of fuel under pressure, which is necessary for the injectors to atomize the fuel properly during combustion. The performance of the engine is directly influenced by the efficiency of the fuel delivery system, making the Injector Fuel Supply Tube a vital component ².

Purpose and Role of the 4945047 Injector Fuel Supply Tube

The 4945047 Injector Fuel Supply Tube plays a specific role in the operation of a truck by ensuring that fuel is delivered to the injectors in a controlled and pressurized manner. This part is integral to the fuel system, as it helps maintain the correct fuel pressure and flow rate required for optimal engine performance. By delivering fuel efficiently, it contributes to the engine’s ability to produce power and operate within its designed parameters ³.

Key Features of the 4945047 Injector Fuel Supply Tube

The 4945047 Injector Fuel Supply Tube is constructed from materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance and longevity, such as precise engineering to ensure a snug fit within the fuel system and smooth internal surfaces to minimize fuel flow resistance. These characteristics contribute to the tube’s ability to withstand the demands of heavy-duty truck operation.

Benefits of Using the 4945047 Injector Fuel Supply Tube

The use of the 4945047 Injector Fuel Supply Tube is associated with several benefits. It improves fuel delivery efficiency by providing a consistent and reliable path for fuel to travel from the tank to the injectors. This results in enhanced engine performance, as the injectors receive the fuel they need to operate effectively. Additionally, the tube’s robust construction and design contribute to the overall reliability of the fuel system, reducing the likelihood of fuel delivery issues.

Installation and Compatibility

Proper installation of the 4945047 Injector Fuel Supply Tube is important to ensure it functions correctly within the fuel system. Installation procedures may vary depending on the specific truck model, and it is important to follow manufacturer guidelines to ensure compatibility and correct fitment. This may involve checking for proper alignment, securing the tube in place, and verifying that all connections are tight and free from leaks.

Maintenance and Troubleshooting

To ensure optimal performance of the 4945047 Injector Fuel Supply Tube, regular maintenance is recommended. This includes inspecting the tube for signs of wear or damage, cleaning it to remove any contaminants that may affect fuel flow, and checking for proper installation and fitment. Troubleshooting common issues, such as leaks or blockages, involves identifying the source of the problem and taking corrective action, which may include repairing or replacing the tube if necessary.

Common Issues and Solutions

Common issues that may arise with the 4945047 Injector Fuel Supply Tube include leaks at connection points, blockages due to contaminants, and wear or damage to the tube itself. Solutions to these issues may involve tightening connections, cleaning the tube, or replacing it if it is damaged. Preventive measures, such as regular maintenance and inspection, can help avoid these issues and ensure the continued reliable operation of the fuel system.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its commitment to quality and innovation in the production of automotive components. With a history of developing reliable and high-performance parts, Cummins has built a reputation for excellence. The company’s product offerings include a wide range of components designed to enhance the performance and durability of vehicles, reflecting its dedication to advancing automotive technology.

Cummins Injector Fuel Supply Tube (Part 4945047)

The Cummins Injector Fuel Supply Tube, identified by part number 4945047, is a critical component in the fuel delivery system of various Cummins engines. This part ensures that fuel is efficiently and accurately supplied to the injectors, which is vital for the engine’s performance and longevity.

Application in Cummins Engines

B3.3 Engine Series

The Injector Fuel Supply Tube is integral to the B3.3 engine series, which is known for its reliability and efficiency. In these engines, the part connects the fuel supply line to the injectors, facilitating the precise delivery of fuel necessary for combustion. The design of the tube ensures minimal leakage and consistent fuel pressure, which is crucial for maintaining optimal engine performance.

Other Cummins Engines

While the primary focus here is on the B3.3 series, the Injector Fuel Supply Tube (4945047) is also compatible with other Cummins engines that utilize similar injector systems. The tube’s design is standardized across various models, allowing for easy replacement and maintenance. This standardization ensures that the part can be used interchangeably in different engine configurations, providing a seamless fit and function.

Importance of the Fuel Supply Tube

The Injector Fuel Supply Tube plays a pivotal role in the engine’s fuel delivery mechanism. It is responsible for maintaining the integrity of the fuel line, preventing leaks that could lead to inefficient fuel usage and potential engine damage. The tube’s robust construction and precise fit are essential for ensuring that the injectors receive the correct amount of fuel, which is critical for the engine’s overall performance and efficiency.

Installation and Maintenance

Proper installation of the Injector Fuel Supply Tube is crucial to ensure that it functions correctly. Technicians should follow the manufacturer’s guidelines for installation, which typically include securing the tube with appropriate fasteners and ensuring that all connections are tight and leak-free. Regular maintenance checks should be performed to inspect the tube for any signs of wear or damage, which could compromise its performance.

Compatibility and Replacement

When replacing the Injector Fuel Supply Tube, it is important to use the correct part number to ensure compatibility with the engine. The part number 4945047 is specifically designed for use with Cummins engines, and using an incorrect part could lead to performance issues or engine damage. Technicians should refer to the engine’s service manual for the correct part specifications and installation procedures.

Role of Part 4945047 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 4945047, is an integral component in the fuel delivery system of an engine. It is responsible for transporting pressurized fuel from the fuel rail to the fuel injectors. This part ensures a consistent and reliable fuel supply, which is essential for the injectors to function correctly.

Interaction with Injector Plumbing

The Injector Fuel Supply Tube interfaces directly with the injector plumbing system. It connects to the fuel rail on one end and to the fuel injectors on the other. This connection is vital for maintaining the integrity of the fuel line, ensuring that there are no leaks or disruptions in the fuel flow. The tube must be securely fitted to prevent any fuel from escaping, which could lead to inefficient combustion and potential safety hazards.

Coordination with Camshaft

Although the camshaft itself does not directly interact with the Injector Fuel Supply Tube, the timing of fuel injection is closely related to the camshaft’s operation. The camshaft controls the opening and closing of the engine’s valves, which in turn influences the air-fuel mixture entering the combustion chamber. The fuel supply tube must deliver fuel precisely when the injectors are commanded to open, synchronized with the camshaft’s rotation. This ensures that the fuel is injected at the optimal moment for combustion, enhancing engine performance and efficiency.

Overall Function

In summary, the Injector Fuel Supply Tube (part 4945047) plays a significant role in the fuel delivery process by providing a secure and efficient pathway for fuel to reach the injectors. Its proper installation and maintenance are essential for the overall performance and reliability of the engine system.

Conclusion

The Cummins 4945047 Injector Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks and Cummins engines. Its role in ensuring a consistent and reliable fuel supply to the injectors is essential for optimal engine performance and efficiency. Proper installation, regular maintenance, and understanding its interaction with other engine components are key to maximizing the benefits of this Cummins part.