3093368
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, part number 3093368, is a crucial component in the fuel system of heavy-duty trucks. Manufactured by Cummins, this part ensures efficient fuel delivery from the fuel rail to the injectors, which is essential for optimal engine performance. Cummins is recognized for its commitment to quality and innovation in engine technology.

Function and Operation

The Injector Fuel Supply Tube serves as a conduit within the truck’s fuel system. Its primary function is to deliver fuel from the fuel rail to the injectors, ensuring each cylinder receives the correct amount of fuel at the precise pressure and timing. This accurate delivery is vital for the combustion process, directly affecting the engine’s efficiency, power output, and emissions levels ¹.

Key Features

This Cummins part is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials designed to withstand the high pressures and temperatures within the fuel system. The tube’s design ensures a secure fit within the fuel system, minimizing the risk of leaks and ensuring consistent fuel delivery. Additionally, its construction may include reinforced sections to handle the dynamic pressures encountered during operation ².

Benefits

The Injector Fuel Supply Tube offers several advantages. Its design contributes to improved fuel delivery efficiency, ensuring the engine operates at peak performance. The durability of the tube, thanks to its material composition and design, allows it to withstand the demanding conditions of heavy-duty truck operation. Furthermore, its compatibility with Cummins engines ensures it integrates seamlessly into the fuel system, providing reliable performance ³.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube is vital for ensuring its effectiveness and the overall efficiency of the fuel system. Guidelines for installation should be followed to ensure a secure and leak-free connection. This component is designed to be compatible with specific Cummins engine models, ensuring it meets the precise requirements of these engines. Compatibility with other components within the fuel system is also a consideration, ensuring the tube functions as intended within the system.

Maintenance and Troubleshooting

To ensure the optimal performance of the Injector Fuel Supply Tube, regular maintenance is recommended. This includes checking for signs of wear or damage, ensuring connections are secure, and verifying that the tube is free from obstructions. Common issues that may arise include leaks or reduced fuel delivery efficiency, which can often be addressed through inspection and maintenance. Troubleshooting steps may involve checking for proper installation, ensuring compatibility with other system components, and addressing any physical damage to the tube.

Safety Considerations

When working with the Injector Fuel Supply Tube, it is important to follow safety practices to protect both the technician and the equipment. This includes handling the component with care to avoid damage, using appropriate tools for installation and maintenance, and following safety guidelines when working with fuel systems. Maintenance safety tips include ensuring the engine is off and the fuel system is depressurized before beginning work, and wearing appropriate personal protective equipment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive industry, particularly within the heavy-duty truck sector. The company’s product range includes engines and components that are designed to meet the demanding requirements of commercial vehicles, ensuring efficient and reliable performance.

Cummins Injector Fuel Supply Tube (Part 3093368)

The Cummins Injector Fuel Supply Tube, identified by part number 3093368, is a critical component in the fuel injection system of various Cummins engines. This part is designed to ensure the efficient and reliable delivery of fuel from the fuel supply system to the injectors, which is essential for the proper functioning of the engine.

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (3093368) is compatible with several Cummins engine models, including:

• QST30 CM552: This engine model benefits from the precise engineering of the 3093368 part, ensuring optimal fuel flow and combustion efficiency. The tube’s design allows for seamless integration with the engine’s fuel system, enhancing overall performance and reliability.

Grouping of Compatible Engines

The Injector Fuel Supply Tube (3093368) is particularly suited for engines within the Cummins QST series, specifically those with the CM552 designation. This grouping includes engines that share similar design and operational characteristics, making the 3093368 part a versatile choice for maintaining and upgrading these engines.

By ensuring that the Injector Fuel Supply Tube (3093368) is correctly installed and maintained, engine operators can expect improved fuel efficiency, reduced emissions, and enhanced engine longevity. This part’s compatibility with multiple engine models underscores its importance in the Cummins engine ecosystem.

Role of Part 3093368 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3093368, is a pivotal component in the fuel delivery system of an engine. It is responsible for channeling pressurized fuel from the fuel rail to the individual fuel injectors. This ensures that each injector receives a consistent and precise amount of fuel, which is essential for optimal engine performance.

In the context of the fuel rail, the Injector Fuel Supply Tube connects to the rail at one end and to the injector at the other. The fuel rail, a pressurized conduit, distributes fuel to all injectors. The Injector Fuel Supply Tube facilitates this distribution by providing a direct and secure pathway for fuel to travel from the rail to the injector.

When considering performance parts, the Injector Fuel Supply Tube plays a significant role. High-performance engines often require modifications to the fuel system to handle increased fuel demands. Upgrading to a more robust Injector Fuel Supply Tube can enhance fuel delivery efficiency, allowing for better atomization and combustion. This, in turn, can lead to improved engine performance and power output.

Conclusion

In summary, the Injector Fuel Supply Tube (part 3093368) is integral to the fuel delivery process, ensuring that fuel is accurately and efficiently supplied to each injector. Its role becomes even more significant in performance-oriented applications, where precise fuel delivery is paramount for achieving desired engine performance levels.