3093317
Injector Fuel Supply Tube
Cummins®

Introduction

The Injector Fuel Supply Tube, part number 3093317, manufactured by Cummins, is a critical component in the fuel system of heavy-duty trucks. This tube is responsible for transferring fuel from the tank to the injectors, ensuring a consistent and reliable fuel supply to the engine.

Function and Operation

This Cummins part operates by channeling fuel from the tank to the injectors within the fuel system. It plays a role in maintaining a steady fuel flow, which is essential for the efficient operation of the engine. The tube is engineered to withstand the pressures and temperatures encountered in the fuel system, ensuring that fuel is delivered precisely when needed ¹.

Key Features

The Injector Fuel Supply Tube is constructed from durable materials, designed to resist corrosion and wear. Its design includes precise fittings and connections that ensure a secure and leak-free installation. The tube is also characterized by its flexibility, which allows it to accommodate the movements and vibrations typical in heavy-duty truck operations ².

Benefits

This part offers several advantages, including enhanced fuel delivery efficiency, which contributes to better engine performance. Its robust construction ensures durability and reliability, reducing the likelihood of fuel system failures. Additionally, the tube’s design helps in maintaining fuel system integrity, which is essential for the overall efficiency and safety of the vehicle ³.

Installation Process

Installing the Injector Fuel Supply Tube requires careful attention to detail. The process involves disconnecting the old tube, ensuring the fuel system is depressurized, and then fitting the new tube with the appropriate fittings and connections. Tools such as wrenches and fuel line disconnect tools may be necessary. It is important to follow manufacturer guidelines to ensure a proper and safe installation.

Maintenance Tips

To ensure the Injector Fuel Supply Tube operates efficiently over time, regular inspections are recommended. This includes checking for signs of wear, corrosion, or leaks. Cleaning the tube and its connections as part of routine maintenance can help prevent issues and extend the tube’s lifespan.

Common Issues and Troubleshooting

Common problems with the Injector Fuel Supply Tube may include leaks, blockages, or damage from wear and tear. Troubleshooting steps involve inspecting the tube for visible damage, checking connections for tightness, and ensuring there are no obstructions in the fuel line. Addressing these issues promptly can help maintain the fuel system’s efficiency.

Compatibility and Applications

The Injector Fuel Supply Tube part #3093317 is designed for use in specific models of heavy-duty trucks and engines. Its compatibility ensures that it meets the demands of these applications, providing reliable fuel delivery.

Safety Considerations

When working with the Injector Fuel Supply Tube, it is important to observe safety guidelines. This includes ensuring the fuel system is depressurized before any work is done, using appropriate personal protective equipment, and following all manufacturer safety recommendations to maintain fuel system integrity and prevent accidents.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel engines and components. With a strong reputation in the automotive industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes engines, filtration systems, and other components designed for heavy-duty applications.

Cummins Injector Fuel Supply Tube 3093317 Compatibility

The Cummins Injector Fuel Supply Tube part number 3093317 is designed to fit seamlessly within several engine models, ensuring optimal fuel delivery and engine performance. This part is integral to the fuel injection system, facilitating the transfer of fuel from the fuel supply line to the injectors.

QST30 CM552 Engines

The Injector Fuel Supply Tube 3093317 is specifically engineered to integrate with the QST30 CM552 engines. These engines are known for their robust performance and reliability, making them a popular choice in various industrial applications. The precise fitment of this part ensures that the fuel supply remains uninterrupted, contributing to the engine’s efficiency and longevity.

Grouping of Compatible Engines

While the primary focus is on the QST30 CM552 engines, it is important to note that the Injector Fuel Supply Tube 3093317 may also be compatible with other Cummins engine models that share similar design specifications. This compatibility extends to engines within the same series or those that have been updated with similar fuel injection systems.

By ensuring that the Injector Fuel Supply Tube 3093317 is correctly installed, engine operators can maintain the integrity of the fuel delivery system, thereby enhancing overall engine performance and reliability.

Role of Part 3093317 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3093317, is integral to the efficient operation of fuel injection systems in modern engines. This component 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 Rail

The Injector Fuel Supply Tube connects directly to the fuel rail, which is responsible for distributing pressurized fuel to each injector. This connection ensures a consistent and reliable fuel supply, which is essential for maintaining engine performance and efficiency.

Interaction with Fuel Injectors

Each Injector Fuel Supply Tube is paired with a fuel injector, allowing for the direct transfer of fuel. The design of the tube ensures that fuel is delivered under the correct pressure and at the right moment, which is vital for the injector’s operation. This precise delivery helps in achieving the desired air-fuel ratio, which is critical for engine performance and emissions control.

Contribution to Engine Performance

The performance of an engine is highly dependent on the fuel delivery system. The Injector Fuel Supply Tube plays a significant role in this by ensuring that fuel is delivered efficiently and consistently. This results in improved engine responsiveness, smoother operation, and better overall performance.

Role in Fuel Economy

Efficient fuel delivery directly impacts fuel economy. The Injector Fuel Supply Tube, by ensuring optimal fuel pressure and flow, contributes to better fuel efficiency. This is particularly important in today’s automotive landscape, where fuel economy is a key consideration for both manufacturers and consumers.

Impact on Emissions

Modern engines are designed to meet stringent emissions standards. The Injector Fuel Supply Tube aids in this by ensuring that fuel is delivered in a manner that promotes complete and efficient combustion. This reduces the likelihood of unburnt fuel entering the exhaust system, thereby lowering emissions.

Support for Engine Longevity

Consistent and reliable fuel delivery is not only important for performance but also for the longevity of the engine. The Injector Fuel Supply Tube helps in maintaining uniform fuel distribution, which reduces the stress on engine components and contributes to a longer engine life.

Conclusion

In summary, the Injector Fuel Supply Tube (part 3093317) is a key component in the fuel delivery system, playing a significant role in engine performance, fuel economy, emissions control, and engine longevity.