5298309
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$184.95 $220.09

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 Cummins Injector Fuel Supply Tube, identified by part number 5298309, is a critical component in the fuel system of heavy-duty trucks. Its primary function is to facilitate the delivery of fuel from the fuel tank to the injectors, ensuring that the engine receives the necessary fuel for combustion. The significance of this part lies in its role in maintaining the efficiency and performance of the truck’s engine 1.

Basic Concepts of Injector Fuel Supply Tube

The Injector Fuel Supply Tube operates on the fundamental principle of providing a consistent and reliable pathway for fuel to travel from the fuel tank to the injectors. Within the fuel system, it acts as a conduit that ensures fuel is delivered under the correct pressure and in the right quantity. This consistent fuel delivery is vital for the engine’s performance, as it directly influences combustion efficiency and power output 2.

Purpose and Role in Truck Operation

In the operation of a heavy-duty truck, the Injector Fuel Supply Tube plays a pivotal role in the fuel delivery system. It ensures that fuel flows smoothly and efficiently to the injectors, which then atomize the fuel into the combustion chamber. Proper fuel flow is crucial for maintaining engine performance, as it affects both the power output and the efficiency of the combustion process 3.

Key Features

The Cummins Injector Fuel Supply Tube is designed with several key features that enhance its performance and durability. These include a robust construction that can withstand the high pressures and temperatures of the fuel system, as well as materials that are resistant to corrosion and wear. Additionally, the tube may incorporate design elements that reduce the risk of fuel leaks and improve the overall reliability of the fuel delivery system.

Benefits

The use of the Cummins Injector Fuel Supply Tube offers several advantages. These include improved fuel efficiency, as consistent and reliable fuel delivery allows the engine to operate more efficiently. Enhanced engine performance is another benefit, as the proper fuel flow contributes to more complete and efficient combustion. Reliability is also increased, as the tube’s design and materials are chosen to ensure long-term durability and resistance to the harsh conditions within the fuel system.

Installation Process

Installing the Injector Fuel Supply Tube requires careful attention to detail to ensure proper function and safety. The process involves disconnecting the old tube, cleaning the fuel system to remove any debris, and then securely attaching the new tube. It is important to follow manufacturer guidelines for torque specifications and to ensure all connections are tight to prevent fuel leaks. Additionally, the system should be tested for leaks after installation to confirm that everything is properly sealed.

Common Issues and Troubleshooting

Typical problems associated with the Injector Fuel Supply Tube can include fuel leaks, blockages, or damage to the tube itself. Troubleshooting steps may involve inspecting the tube for signs of wear or damage, checking connections for tightness, and ensuring that there are no obstructions in the fuel line. Solutions can range from simple repairs, such as tightening connections, to more complex tasks like replacing the tube if it is damaged.

Maintenance Tips

To ensure the longevity and optimal performance of the Injector Fuel Supply Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the fuel system to prevent blockages, and replacing the tube if it shows significant signs of deterioration. Adhering to the manufacturer’s maintenance schedule can help prevent unexpected failures and ensure the fuel system operates efficiently.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive industry. The company’s product range includes engines and components for heavy-duty trucks, among other applications, and it is known for its commitment to customer satisfaction and technological advancement.

Cummins Injector Fuel Supply Tube (Part 5298309)

The Cummins Injector Fuel Supply Tube, identified by the part number 5298309, is a critical component in the fuel delivery system of various Cummins engines. This part ensures that fuel is efficiently and accurately delivered from the fuel pump to the fuel injectors, maintaining optimal engine performance and efficiency.

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (5298309) is designed to fit seamlessly with several Cummins engine models. Here are some of the engines where this part is applicable:

  • 6B5.9 Series: The 6B5.9 engine series benefits from the precise fuel delivery facilitated by the 5298309 part. This series is known for its robust performance and reliability, often used in heavy-duty applications.

Importance in Engine Performance

The Injector Fuel Supply Tube plays a pivotal role in the overall functionality of the engine. It ensures that the fuel injectors receive the correct amount of fuel at the right pressure, which is essential for efficient combustion. This component helps in maintaining consistent engine performance, reducing wear and tear, and enhancing fuel economy.

Installation and Maintenance

Proper installation and regular maintenance of the Injector Fuel Supply Tube are crucial for the longevity and efficiency of the engine. Technicians should ensure that the tube is securely connected and free from leaks or damage. Regular inspections can help identify potential issues early, preventing costly repairs and downtime.

Grouping of Compatible Engines

The Cummins Injector Fuel Supply Tube (5298309) is not limited to a single engine model but is compatible with a range of Cummins engines. This part is often grouped with other components that work in tandem to ensure the smooth operation of the fuel system. Its compatibility extends across various engine series, making it a versatile part in the Cummins engine ecosystem.

Role of Part 5298309 Injector Fuel Supply Tube in Engine Systems

The 5298309 Injector Fuel Supply Tube is an integral component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel rail to the injectors, ensuring a consistent and precise fuel supply for combustion.

Integration with Fuel System Components

  1. Fuel Rail: The Injector Fuel Supply Tube connects directly to the fuel rail, which is a pressurized manifold that distributes fuel to each injector. This connection ensures that the fuel is evenly distributed and maintains the required pressure for optimal injector performance.

  2. Fuel Injectors: Each injector is supplied with fuel through the Injector Fuel Supply Tube. The tube’s design allows for minimal fuel restriction, ensuring that the injectors receive a steady flow of fuel. This is essential for the injectors to atomize the fuel properly, leading to efficient combustion.

  3. Fuel Pressure Regulator: The tube works in conjunction with the fuel pressure regulator to maintain consistent fuel pressure within the system. This regulator helps in adjusting the fuel pressure according to the engine’s demand, ensuring that the injectors operate within their specified parameters.

  4. Fuel Return Line: In systems where excess fuel is returned to the tank, the Injector Fuel Supply Tube plays a role in balancing the fuel flow. It ensures that only the necessary amount of fuel is supplied to the injectors, with the surplus being directed back to the fuel tank via the return line.

Interaction with Plumbing Components

  1. Fuel Lines: The Injector Fuel Supply Tube is often connected to various fuel lines that transport fuel throughout the engine bay. These lines are designed to withstand high pressure and provide a secure connection to prevent fuel leaks.

  2. Connectors and Fittings: The tube utilizes specific connectors and fittings to interface with other components in the fuel system. These fittings are designed to create a leak-proof seal, ensuring that fuel is not lost during transit from the fuel rail to the injectors.

  3. O-Rings and Seals: To maintain the integrity of the fuel system, O-rings and seals are used at connection points along the Injector Fuel Supply Tube. These components prevent fuel leakage and ensure that the system operates under the correct pressure.

Conclusion

In summary, the 5298309 Injector Fuel Supply Tube is a key element in the fuel delivery system, working seamlessly with various components to ensure efficient and reliable fuel supply to the engine’s injectors. Its robust design, compatibility with multiple Cummins engine models, and critical role in engine performance make it an essential part for maintaining the efficiency and reliability of heavy-duty truck engines.


  1. Diesel Emissions and Their Control: Second Edition, Addy Majewski and Hannu Jaskelainen, SAE International, 2023.

  2. Department of Energy Fundamentals Handbook, Department of Energy, 2015.

  3. Heavy Duty Truck Systems Fifth Edition, Sean Bennett, Ian Andrew Norman, Delmar Cengage Learning, 2011.

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SPECIFICATIONS

Package Dimensions
65.0 x 5.0 x 5.0 in
Weight
1.18 lbs
* 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.