3094883
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube (Part #3094883) is a component designed to facilitate the delivery of fuel from the fuel rail to the injectors in heavy-duty trucks. Its role in the fuel system is significant, ensuring that fuel is supplied consistently and under the correct pressure to the injectors, which is vital for the efficient operation of the engine ¹.

Basic Concepts of Injector Fuel Supply Tubes

An Injector Fuel Supply Tube is a conduit that connects the fuel rail to the fuel injectors. It functions by providing a pathway for fuel to travel from the high-pressure fuel rail to the injectors. This tube interacts with the fuel injector and fuel rail, playing a part in maintaining the integrity of the fuel delivery system. The fuel rail stores fuel at high pressure, and the supply tube ensures that this pressurized fuel reaches the injectors without loss of pressure or flow restriction ².

Purpose and Role in Truck Operation

The Cummins Injector Fuel Supply Tube plays a role in the operation of a truck by delivering fuel from the fuel rail to the injectors. It ensures that fuel is supplied consistently and at the correct pressure, which is necessary for the injectors to atomize the fuel properly during combustion. This consistent fuel pressure and flow contribute to the engine’s performance, efficiency, and reliability ³.

Key Features

The Cummins Injector Fuel Supply Tube is constructed from materials that offer durability and resistance to the high pressures and temperatures within the fuel system. Its design includes features that enhance performance, such as precise engineering to maintain fuel pressure and prevent leaks. Unique attributes may include specialized coatings or treatments that protect against corrosion and wear, differentiating it from other similar parts.

Benefits

The Cummins Injector Fuel Supply Tube provides several benefits, including improved fuel efficiency due to consistent fuel delivery. It also contributes to enhanced engine performance by ensuring that the injectors receive fuel under the correct conditions. Additionally, the tube’s durable construction and design features increase the reliability and longevity of the fuel system components, reducing the need for frequent replacements or repairs.

Troubleshooting and Maintenance

Common issues with the Injector Fuel Supply Tube may include leaks, blockages, or wear that affects fuel pressure. Diagnostic steps for identifying problems may involve inspecting the tube for visible damage, checking fuel pressure with a gauge, and listening for unusual noises that could indicate a leak. Maintenance practices to ensure optimal performance include regular inspection for signs of wear or damage, ensuring proper fuel pressure, and replacing the tube when it shows signs of failure to prevent engine performance issues.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive and heavy-duty truck industries. The company’s product range includes components and systems that are integral to the performance and efficiency of vehicles, demonstrating Cummins’ commitment to excellence and customer satisfaction.

Cummins Injector Fuel Supply Tube (Part 3094883)

The Cummins Injector Fuel Supply Tube, part number 3094883, is a component in the fuel delivery system of various Cummins engines. This part ensures that fuel is efficiently and accurately delivered to the injectors, which is essential for maintaining optimal engine performance and efficiency.

Application in Cummins Engines

The Cummins Injector Fuel Supply Tube is designed to fit seamlessly with several Cummins engine models. Here are the engines and groups where this part is applicable:

• QST30 CM552 Engines

  • The Injector Fuel Supply Tube is a key component in the QST30 CM552 engines. It ensures that the fuel supply to the injectors is uninterrupted and at the correct pressure, which is vital for the engine’s combustion process.

• Other Cummins Engines

  • While the primary focus here is on the QST30 CM552 engines, the Injector Fuel Supply Tube (part 3094883) is also compatible with other Cummins engines within the same family. This part’s design and functionality are consistent across these engines, ensuring a reliable fit and performance.

The compatibility of the Injector Fuel Supply Tube with these engines underscores its importance in the overall fuel delivery system. Its design and material ensure durability and efficiency, contributing to the longevity and reliability of the engines it supports.

Role of Part 3094883 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified as part 3094883, is a component in the fuel delivery system of an engine. It facilitates the precise and efficient transfer of fuel from the fuel rail to the injectors. This part ensures that the injectors receive a consistent fuel supply, which is vital for optimal engine performance.

In conjunction with the camshaft and gear, the Injector Fuel Supply Tube plays a supportive role. The camshaft and gear system controls the timing of the fuel injection process. The Injector Fuel Supply Tube ensures that fuel is available at the correct moment, aligning with the camshaft’s timing to enhance combustion efficiency.

The injector itself relies on a steady fuel supply from the Injector Fuel Supply Tube to atomize fuel into the combustion chamber. This atomization is necessary for proper fuel-air mixture, which directly impacts engine performance and emissions.

When considering performance parts, the Injector Fuel Supply Tube is often overlooked but is equally important. High-performance engines demand precise fuel delivery to meet their increased power requirements. The Injector Fuel Supply Tube must be capable of handling higher fuel flow rates without restriction, ensuring that performance parts like upgraded injectors function optimally.

Additionally, the vent tube works in harmony with the Injector Fuel Supply Tube. The vent tube allows for the release of excess pressure or vapor within the fuel system, preventing build-up that could disrupt fuel flow. This ensures that the Injector Fuel Supply Tube operates under stable conditions, further contributing to consistent engine performance.

Conclusion

The Cummins Injector Fuel Supply Tube (Part #3094883) is a vital component in the fuel delivery system of heavy-duty trucks, ensuring consistent and pressurized fuel supply to the injectors. Its durable construction, precise engineering, and compatibility with various Cummins engines contribute to enhanced engine performance, efficiency, and reliability. Regular maintenance and timely replacement of this part are essential to prevent engine performance issues and ensure the longevity of the fuel system components.