3093315
Injector Fuel Supply Tube
Cummins®

The Injector Fuel Supply Tube, identified by Part #3093315, is a component manufactured by Cummins, a renowned leader in the production of diesel engines and related technologies. This tube is integral to the fuel system of heavy-duty trucks, facilitating the efficient delivery of fuel from the tank to the injectors. Its role ensures that the engine receives a consistent and precise fuel supply, which is vital for optimal performance and efficiency ¹.

Function and Operation

The Injector Fuel Supply Tube operates as a conduit within the fuel system, responsible for transporting fuel from the fuel tank to the injectors. This process begins with the fuel pump drawing diesel from the tank and pressurizing it. The pressurized fuel then travels through the supply tube to the injectors, where it is atomized and injected into the combustion chamber. The tube’s design allows for a smooth and uninterrupted flow of fuel, minimizing the risk of leaks or disruptions that could affect engine performance ².

Key Features

The Injector Fuel Supply Tube is engineered with several design and construction features that enhance its performance and durability. Constructed from high-quality materials, the tube is resistant to corrosion and wear, ensuring longevity even in demanding operating conditions. Its precise manufacturing tolerances allow for a secure fit within the fuel system, reducing the likelihood of leaks. Additionally, the tube’s design may include features such as reinforced sections to withstand high pressure and flexible segments to accommodate engine movement ³.

Benefits

The Injector Fuel Supply Tube offers several advantages that contribute to the overall efficiency and reliability of heavy-duty truck engines. By ensuring a consistent and precise fuel delivery, the tube helps improve fuel efficiency, allowing engines to operate more economically. Enhanced engine performance is another benefit, as the reliable fuel supply supports optimal combustion, leading to increased power output and smoother operation. Furthermore, the tube’s robust construction and design features contribute to its reliability, making it well-suited for the rigors of heavy-duty applications.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube is crucial for maintaining the integrity of the fuel system. Installation guidelines typically include ensuring the tube is correctly aligned with the fuel tank and injector connections, using the appropriate fittings and seals to prevent leaks, and verifying that the tube is securely fastened. Compatibility with Cummins engines and other truck components is designed to be straightforward, though it is important to consult specific installation instructions and compatibility charts provided by Cummins to ensure a proper fit and function.

Maintenance and Troubleshooting

To ensure the Injector Fuel Supply Tube continues to perform optimally, regular maintenance is recommended. This includes inspecting the tube for signs of wear, corrosion, or damage, and cleaning it as necessary to remove any contaminants that could impede fuel flow. Troubleshooting common issues may involve checking for leaks, ensuring proper connections, and verifying that the tube is free from obstructions. Addressing these maintenance tasks promptly can help prevent more significant problems and ensure the continued reliability of the fuel system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for producing high-quality components that meet the demanding requirements of heavy-duty applications. The company’s commitment to innovation, quality, and customer satisfaction is evident in its extensive range of products, including the Injector Fuel Supply Tube, which is designed to deliver reliable performance in the most challenging environments.

Cummins Injector Fuel Supply Tube (Part 3093315) Compatibility

The Cummins Injector Fuel Supply Tube, part number 3093315, is a critical component in the fuel injection system of various Cummins engines. This part ensures the efficient delivery of fuel from the fuel pump to the injectors, maintaining optimal engine performance. Below is a detailed description of its compatibility with specific Cummins engines.

QST30 CM552 Engines

The Injector Fuel Supply Tube (3093315) is specifically designed to fit seamlessly with the QST30 CM552 engines. This engine model is known for its robust construction and reliability, often used in heavy-duty applications. The part’s precision engineering ensures a secure and leak-free connection, which is crucial for maintaining the engine’s performance and efficiency.

Grouping of Compatible Engines

While the primary focus here is on the QST30 CM552 engines, it is important to note that the Injector Fuel Supply Tube (3093315) may also be compatible with other Cummins engine models within the same series or similar configurations. Cummins engines are known for their modular design, which often allows for cross-compatibility of parts across different engine models. This modularity ensures that technicians and fleet managers can easily source replacement parts without worrying about compatibility issues.

Importance of Proper Fitment

Ensuring that the Injector Fuel Supply Tube (3093315) is correctly fitted is essential for the overall health and longevity of the engine. A poorly fitted or damaged fuel supply tube can lead to fuel leaks, reduced engine performance, and potential safety hazards. Therefore, it is crucial to use the correct part number and follow the manufacturer’s guidelines for installation and maintenance.

Role of Part 3093315 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3093315, is an integral component in the fuel delivery system of various engine setups. This tube facilitates the precise delivery of fuel from the fuel rail to the injectors, ensuring that each cylinder receives the correct amount of fuel for optimal combustion.

Integration with Fuel Injectors

The Injector Fuel Supply Tube connects directly to the fuel injectors. Its primary function is to maintain a consistent fuel flow, which is essential for the injectors to atomize the fuel properly. This atomization is key to achieving efficient fuel-air mixture, which directly impacts engine performance and emissions.

Interaction with the Fuel Rail

The tube is also a vital link between the fuel rail and the injectors. The fuel rail stores pressurized fuel, and the Injector Fuel Supply Tube ensures that this pressurized fuel is delivered efficiently to each injector. This setup helps in maintaining uniform fuel pressure across all injectors, which is necessary for balanced engine operation.

Contribution to Engine Performance

By ensuring a steady and precise fuel supply, the Injector Fuel Supply Tube plays a significant role in overall engine performance. It helps in achieving smoother engine operation, better fuel efficiency, and reduced emissions. The consistent fuel delivery also aids in prolonging the lifespan of the injectors by preventing issues such as clogging or malfunction due to irregular fuel flow.

Role in Fuel System Maintenance

In terms of maintenance, the Injector Fuel Supply Tube allows for easier access to the injectors. This accessibility is beneficial during routine checks or when performing maintenance on the fuel system. It enables mechanics to quickly identify and address any issues within the fuel delivery system, thereby reducing downtime and enhancing the reliability of the engine.

Impact on Fuel Economy

Efficient fuel delivery through the Injector Fuel Supply Tube directly influences fuel economy. By ensuring that the fuel is delivered consistently and precisely, the engine can operate more efficiently, leading to better fuel consumption rates. This is particularly important in high-performance engines where fuel economy and power output are both significant considerations.

Conclusion

In summary, the Injector Fuel Supply Tube (part 3093315) is a key component in the fuel delivery system, contributing to efficient fuel atomization, consistent fuel pressure, enhanced engine performance, and improved fuel economy. Its role in facilitating smooth and precise fuel delivery underscores its importance in the overall functionality of modern engine systems.