3094750
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$244.95 $291.49

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Fuel Supply Tube for Injector (Part #3094750) manufactured by Cummins is a vital component in the fuel system of heavy-duty trucks. It ensures efficient engine performance by facilitating the delivery of fuel to the injectors under the necessary pressure and conditions. This part is integral to maintaining the overall functionality and reliability of the engine.

Basic Concepts of Fuel Supply Tube for Injector

The Fuel Supply Tube for Injector operates on fundamental principles that are central to the fuel delivery system. Its primary function is to transport fuel from the fuel rail to the injectors. This tube interacts closely with other components such as the fuel injector and fuel rail, ensuring a seamless flow of fuel. The consistent pressure and flow rate maintained by the tube are crucial for the injectors to operate effectively, thereby contributing to the engine’s performance 1.

Purpose and Role in Truck Operation

In the context of heavy-duty truck engines, the Fuel Supply Tube for Injector plays a significant role. It ensures a consistent and pressurized fuel supply to the injectors, which is vital for the engine’s efficiency and performance. By maintaining the required fuel pressure and flow, the tube helps in achieving optimal combustion, which in turn enhances the engine’s power output and fuel economy 2.

Key Features

The Fuel Supply Tube for Injector (Part #3094750) is designed with several key features that enhance its performance and reliability. Constructed from durable materials, it is built to withstand the high pressures and temperatures within the fuel system. Its design includes precise fittings and connections that ensure a secure and leak-free installation. These features contribute to the tube’s longevity and consistent performance under demanding conditions.

Benefits

Using the Cummins Fuel Supply Tube for Injector offers several benefits. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the injectors under optimal conditions. This results in more efficient combustion and better engine performance. Additionally, the reliability and durability of the tube can lead to potential cost savings over time, as it reduces the need for frequent replacements or repairs.

Installation Process

Proper installation of the Fuel Supply Tube for Injector is crucial for its effective operation. The process involves several steps to ensure correct fitting and operation. Necessary tools and safety precautions should be observed during installation. Specific instructions provided by Cummins should be followed to avoid common installation errors and ensure the tube functions as intended within the fuel system.

Common Issues and Troubleshooting

Several issues may arise with the Fuel Supply Tube for Injector, such as leaks, blockages, or wear and tear. Identifying these problems early can prevent more significant issues down the line. Troubleshooting tips include checking for proper connections, inspecting for signs of wear, and ensuring that the tube is free from obstructions. Addressing these issues promptly can help maintain the efficiency and reliability of the fuel system.

Maintenance Tips

Regular maintenance of the Fuel Supply Tube for Injector is important for ensuring its longevity and optimal performance. This includes periodic inspections to check for signs of wear or damage, cleaning the tube to remove any buildup, and following manufacturer recommendations for replacement intervals. Adhering to these maintenance practices can help prevent unexpected failures and ensure consistent engine performance.

About Cummins

Cummins Inc. is a leader in the diesel engine and related technologies market, with a rich history of innovation and quality. The company offers a wide range of products designed to meet the needs of various industries, including heavy-duty trucking. Cummins is committed to advancing technology and providing reliable, high-performance solutions for its customers.

Compatibility with Cummins Engines

The Fuel Supply Tube for Injector, part number 3094750, is designed to fit seamlessly with several Cummins engine models. Here is a detailed breakdown of its compatibility:

  • QST30 CM552 Engines: This part is specifically engineered to integrate with the QST30 CM552 engines. The design ensures that it meets the unique requirements of these engines, providing a reliable fuel supply to the injectors.

  • Other Cummins Engines: While the primary focus is on the QST30 CM552 engines, the part 3094750 is also compatible with other Cummins engines within the same engine family. This compatibility extends to engines that share similar design and operational characteristics, ensuring that the fuel supply tube functions effectively across a range of models.

Installation and Functionality

The installation of the Cummins Fuel Supply Tube for Injector is straightforward, designed to fit precisely where it is needed. This part plays a role in the engine’s fuel delivery system by:

  • Ensuring Consistent Fuel Flow: The tube maintains a steady and uninterrupted flow of fuel to the injectors, which is vital for consistent engine performance.
  • Preventing Leaks: By providing a secure connection between the fuel supply system and the injectors, the part helps prevent fuel leaks, which can lead to engine inefficiencies and potential safety hazards.
  • Enhancing Engine Efficiency: Proper fuel delivery is essential for achieving optimal combustion. The part 3094750 ensures that the injectors receive the correct amount of fuel, enhancing overall engine efficiency and performance.

Importance of the Part

The Cummins Fuel Supply Tube for Injector is a critical component in the engine’s fuel delivery system. Its proper functioning is essential for maintaining engine performance, fuel efficiency, and overall reliability. Ensuring that this part is in good condition and correctly installed is crucial for the longevity and efficiency of the engine.

Role of Part 3094750 Fuel Supply Tube for Injector in Engine Systems

The Fuel Supply Tube for Injector (part 3094750) is an integral component in the fuel delivery system of an engine. It serves as a conduit that ensures a steady and precise flow of fuel from the fuel rail to the fuel injectors. This part is essential for maintaining the performance and efficiency of the engine.

Interaction with Fuel Injectors

The primary function of the Fuel Supply Tube for Injector is to deliver fuel under pressure to the injectors. Each injector is responsible for spraying atomized fuel into the combustion chamber at the precise moment required for optimal combustion. The consistent flow provided by the fuel supply tube ensures that the injectors operate efficiently, which directly impacts the engine’s performance.

Integration with the Fuel Rail

The fuel supply tube is typically connected to the fuel rail, which is a pressurized manifold that distributes fuel to each injector. The tube’s design allows it to fit securely into the fuel rail, ensuring a leak-free connection. This setup is vital for maintaining the correct fuel pressure throughout the system, which is necessary for the injectors to function correctly.

Contribution to Fuel Pressure Regulation

In conjunction with the fuel pressure regulator, the fuel supply tube helps maintain the desired fuel pressure within the system. Consistent pressure is essential for the injectors to deliver the correct amount of fuel, which in turn ensures smooth engine operation and optimal fuel economy.

Role in Engine Performance

The efficiency of the fuel supply tube directly influences engine performance. A well-functioning tube ensures that the injectors receive a consistent fuel supply, which allows for precise fuel metering. This precision is key to achieving the desired air-fuel ratio, which is critical for maximizing power output and minimizing emissions.

Impact on Fuel Efficiency

An efficiently operating fuel supply tube contributes to better fuel efficiency. By ensuring a steady and accurate fuel flow, the tube helps the engine run more smoothly and reduces the likelihood of fuel wastage. This not only enhances performance but also contributes to lower operating costs over time.

Maintenance and Reliability

Regular inspection and maintenance of the fuel supply tube are important for ensuring the longevity and reliability of the fuel system. Any leaks or blockages in the tube can lead to inconsistent fuel delivery, which can cause misfires, reduced power, and increased emissions. Therefore, keeping the fuel supply tube in good condition is essential for the overall health of the engine.

Conclusion

The Fuel Supply Tube for Injector (Part #3094750) is a critical component in the fuel delivery system of heavy-duty truck engines. Its role in ensuring a consistent and pressurized fuel supply to the injectors is vital for maintaining engine performance, fuel efficiency, and overall reliability. Regular maintenance and proper installation are essential for the longevity and optimal performance of this Cummins part.


  1. Reif, Konrad Ed. Diesel Engine Management Systems and Components. Springer Vieweg, 2014.

  2. Miedema, S. A., and Z. Lu. The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema, 2010.

SPECIFICATIONS

Notes
Left Bank 2
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
13.5 x 0.8 x 0.75 in
Weight
0.55 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.