3094749
Injector Fuel Supply Tube
Cummins®

The Fuel Injector Supply Tube (Part #3094749) by Cummins is a vital component in the fuel system of heavy-duty trucks. Manufactured by Cummins, a reputable name in the automotive industry, this part ensures efficient fuel delivery to the injectors, contributing to the overall performance and reliability of the vehicle.

Basic Concepts

Fuel injector supply tubes are integral to the fuel system, serving as conduits that transport fuel from the fuel rail to the injectors. Their design and construction are crucial for maintaining fuel pressure and ensuring a consistent fuel supply, which directly impacts engine performance. By facilitating the precise delivery of fuel, these tubes play a role in optimizing combustion efficiency and power output ¹.

Purpose and Function

The Fuel Injector Supply Tube (Part #3094749) is designed to deliver fuel from the fuel rail to the injectors in a heavy-duty truck. This component ensures that fuel is supplied at the correct pressure and volume, which is essential for the injectors to function properly. By maintaining a stable fuel flow, the supply tube contributes to consistent engine performance and efficient combustion.

Key Features

The Fuel Injector Supply Tube is constructed from high-quality materials, ensuring durability and resistance to wear and corrosion. Its design includes precise fittings and connections that ensure a secure and leak-free installation. Additionally, the tube is engineered to withstand high fuel pressures and temperatures, making it suitable for the demanding conditions of heavy-duty truck applications.

Benefits

The use of the Fuel Injector Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered consistently and at the correct pressure. This consistent fuel delivery enhances engine performance, providing smoother operation and increased power. Furthermore, the robust construction of the supply tube ensures reliability, even under demanding conditions, reducing the likelihood of fuel system failures.

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube is crucial for ensuring its effectiveness. It should be installed according to the manufacturer’s guidelines, which may include specific torque settings for fittings and connections. Ensuring compatibility with the truck’s fuel system is also important, as this will help prevent leaks and ensure optimal performance.

Maintenance and Troubleshooting

Routine maintenance of the Fuel Injector Supply Tube involves inspecting it for signs of wear, corrosion, or leaks. Regular checks can help identify potential issues before they become serious problems. If a leak is detected, the tube should be replaced to prevent fuel system contamination and ensure safe operation. Additionally, maintaining clean fuel and using high-quality filters can help prolong the life of the supply tube.

Safety Considerations

When working with the Fuel Injector Supply Tube, it is important to follow safety precautions. This includes ensuring that the fuel system is depressurized before beginning any work to prevent fuel spray. Additionally, proper handling and disposal of fuel and contaminated materials are necessary to maintain a safe working environment. Awareness of potential hazards, such as fuel spills and high-pressure fuel lines, is crucial for safe maintenance practices.

Cummins Overview

Cummins is a well-established manufacturer in the automotive industry, known for its high-quality components and innovative solutions. With a history of producing reliable and durable parts, Cummins has built a reputation for excellence. Their commitment to quality and performance is evident in their range of products, including the Fuel Injector Supply Tube (Part #3094749), which is designed to meet the rigorous demands of heavy-duty truck applications.

Cummins Fuel Injector Supply Tube (Part 3094749) Compatibility

The Cummins Fuel Injector Supply Tube, part number 3094749, is designed to fit seamlessly with several Cummins engine models. This part is crucial for maintaining the integrity of the fuel delivery system, ensuring that fuel is efficiently and accurately supplied to the injectors.

QST30 CM552 Engines

The part 3094749 is specifically engineered to fit the QST30 CM552 engine series. This engine series is known for its robust performance and reliability, making it a popular choice in various industrial applications. The fuel injector supply tube ensures that the fuel system operates smoothly, contributing to the engine’s overall efficiency and longevity.

Grouping of Compatible Engines

While the primary focus is on the QST30 CM552 engines, it is important to note that the part 3094749 may also be compatible with other Cummins engine models that share similar design and operational characteristics. This compatibility extends to engines within the same series or those that have been updated with similar fuel system components.

By ensuring that the fuel injector supply tube is correctly installed, engine performance can be maintained, and potential issues related to fuel delivery can be avoided. This part is a critical component in the fuel system, and its proper fitment is essential for the engine’s optimal operation.

Role of Part 3094749 Fuel Injector Supply Tube in Engine Systems

The Fuel Injector Supply Tube (Part 3094749) is an integral component in the fuel delivery system of an engine. It serves as a conduit that transports fuel from the fuel rail to the individual fuel injectors. This part ensures a consistent and regulated flow of fuel, which is essential for the injectors to atomize the fuel properly before it enters the combustion chamber.

In conjunction with the fuel rail, the supply tube maintains fuel pressure across all injectors, promoting uniform fuel distribution. This uniformity is vital for balanced combustion across all cylinders, which directly influences engine performance and efficiency.

The supply tube also interacts with the fuel injectors themselves. Each injector is precision-engineered to deliver fuel in a fine mist, and the supply tube must provide a steady fuel stream to achieve this. Any restriction or inconsistency in the supply tube can lead to uneven fuel delivery, affecting engine performance and potentially causing misfires.

Additionally, the fuel pressure regulator works in tandem with the supply tube to maintain optimal fuel pressure. The regulator monitors and adjusts the pressure within the fuel rail, and the supply tube must be able to handle these pressure changes without leaking or failing.

In summary, the Fuel Injector Supply Tube (Part 3094749) plays a significant role in ensuring that fuel is delivered efficiently and consistently to each injector, which is fundamental for the overall performance and reliability of the engine system.

Conclusion

The Fuel Injector Supply Tube (Part #3094749) by Cummins is a critical component in the fuel system of heavy-duty trucks. Its role in ensuring efficient and consistent fuel delivery to the injectors directly impacts engine performance and reliability. Proper installation, maintenance, and understanding of its compatibility with various Cummins engine models are essential for optimal operation. Cummins’ reputation for quality and durability is reflected in this part, making it a reliable choice for heavy-duty applications.