5376880
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,749.95 $2,082.44

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 (part number 5376880) is a critical component in the fuel delivery system of heavy-duty truck engines. This part ensures efficient and consistent fuel supply to the injectors, which is essential for optimal engine performance and efficiency 1.

Basic Concepts of Injector Fuel Supply Tube

The Injector Fuel Supply Tube operates by delivering pressurized fuel from the fuel rail to the injectors. This tube acts as a conduit, ensuring a steady flow of fuel that allows the injectors to atomize the fuel properly for combustion. The efficiency of this process directly influences engine performance, including power output and fuel economy 2.

Role and Operation in Truck Engines

In truck engines, the Injector Fuel Supply Tube interacts closely with the fuel injectors and the fuel rail. It maintains the required fuel pressure and ensures that the injectors receive a consistent supply of fuel. This consistent supply is vital for the precise timing and quantity of fuel injection, which are essential for optimal engine operation 3.

Key Features

The Injector Fuel Supply Tube (5376880) is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials resistant to the corrosive effects of fuel and the high pressures within the fuel system. The design specifications of this tube ensure a secure fit within the fuel system, minimizing the risk of leaks and ensuring efficient fuel delivery 4.

Benefits

Using the Cummins Injector Fuel Supply Tube offers several benefits. It contributes to improved fuel delivery efficiency, which can lead to enhanced engine performance. Additionally, the durable construction of the tube can result in potential cost savings over time by reducing the frequency of replacements and maintenance 5.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube is important to ensure it functions correctly within the fuel system. Specific requirements and considerations must be taken into account to ensure compatibility with various truck models and engine types. Following manufacturer guidelines during installation can help prevent issues and ensure optimal performance 6.

Maintenance and Troubleshooting

Routine maintenance practices can help ensure the longevity and optimal performance of the Injector Fuel Supply Tube. Regular inspections for signs of wear or damage, and cleaning as necessary, can prevent issues from arising. Troubleshooting common problems, such as leaks or inconsistent fuel delivery, often involves checking the tube for proper fit and condition, and ensuring all connections are secure 7.

Safety Considerations

When working with the Injector Fuel Supply Tube, it is important to follow safety precautions and best practices. This includes proper handling to avoid damage to the tube, safe storage to prevent contamination, and appropriate disposal procedures to minimize environmental impact 8.

Environmental Impact

The use of the Injector Fuel Supply Tube plays a role in reducing emissions and promoting fuel efficiency in heavy-duty trucks. By ensuring efficient fuel delivery, it contributes to more complete combustion, which can lead to lower emissions. Additionally, the durable construction of the tube reduces the need for frequent replacements, which can have a positive environmental impact 9.

Cummins Overview

Cummins Inc. is a company with a long-standing reputation in the automotive industry for innovation and quality in manufacturing automotive components. Founded with a commitment to excellence, Cummins has consistently delivered reliable and high-performance parts for a variety of applications, including heavy-duty trucks. Their focus on advancing technology and improving efficiency has made them a trusted name in the industry 10.

Cummins Injector Fuel Supply Tube (Part 5376880) Compatibility

The Cummins Injector Fuel Supply Tube, identified by part number 5376880, is a critical component in the fuel delivery system of various engines. This part ensures that fuel is efficiently and accurately delivered to the injectors, which is essential for optimal engine performance and efficiency.

QST30 and CM2350 Engines

The injector fuel supply tube is compatible with the QST30 and CM2350 engines. These engines are known for their robust design and reliability, often used in heavy-duty applications. The part 5376880 fits seamlessly into the fuel system architecture of these engines, ensuring that the fuel supply is uninterrupted and consistent. This compatibility is crucial for maintaining the performance standards expected from these engines 11.

T101 Engine

Similarly, the T101 engine also benefits from the use of the Cummins Injector Fuel Supply Tube part 5376880. This engine, like the QST30 and CM2350, relies on precise fuel delivery to function efficiently. The part’s design ensures that it integrates well with the T101’s fuel system, providing a reliable and durable solution for fuel supply needs 12.

Grouping of Engines

The QST30, CM2350, and T101 engines can be grouped together due to their shared requirement for the injector fuel supply tube part 5376880. This grouping highlights the commonality in their design and operational needs, making it easier for technicians and maintenance personnel to manage parts inventory and ensure compatibility across different engine models 13.

Role of Part 5376880 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5376880, is an essential component in the fuel delivery system of an engine. Its primary function is to transport fuel from the fuel supply system to the fuel injectors. This part ensures a consistent and reliable fuel flow, which is fundamental for the efficient operation of the engine 14.

Integration with Fuel Supply System

The Injector Fuel Supply Tube is a vital link in the fuel supply chain. It connects the fuel rail to the fuel injectors, allowing pressurized fuel to be delivered precisely where it is needed. This setup ensures that each cylinder receives the correct amount of fuel for combustion, contributing to the engine’s overall performance and efficiency 15.

Interaction with Fuel Injectors

Once the fuel reaches the Injector Fuel Supply Tube, it is distributed to the fuel injectors. These injectors spray atomized fuel into the combustion chamber, where it mixes with air and ignites. The precise delivery of fuel by the Injector Fuel Supply Tube is essential for maintaining the correct air-fuel ratio, which is critical for optimal engine performance and emissions control 16.

Role in Fuel Rail System

The Injector Fuel Supply Tube also plays a significant role in the fuel rail system. The fuel rail is a pressurized pipeline that runs along the top of the engine, supplying fuel to each injector. The Injector Fuel Supply Tube ensures that the fuel rail maintains consistent pressure, which is necessary for the injectors to operate correctly 17.

Contribution to Engine Plumbing

In the broader context of engine plumbing, the Injector Fuel Supply Tube is part of a network of components that manage the flow of fuel throughout the engine. This network includes fuel lines, filters, and regulators, all of which work together to ensure that fuel is delivered efficiently and effectively. The Injector Fuel Supply Tube’s role in this system is to provide a direct and reliable pathway for fuel to reach the injectors 18.

Ensuring Reliable Fuel Delivery

The reliability of the Injector Fuel Supply Tube is paramount. Any disruption in the fuel supply can lead to engine misfires, reduced performance, and increased emissions. By ensuring a steady and consistent flow of fuel, the Injector Fuel Supply Tube helps maintain the engine’s stability and efficiency under various operating conditions 19.

Conclusion

The Cummins Injector Fuel Supply Tube (part number 5376880) is a vital component in the fuel delivery system of heavy-duty truck engines. Its role in ensuring efficient and consistent fuel supply to the injectors is crucial for optimal engine performance and efficiency. Proper installation, maintenance, and understanding of its compatibility with various engine models are essential for maximizing the benefits of this part.


  1. Thompson, R. (2019). Automotive Maintenance: Light Repair. Cengage Learning.

  2. Randall, M. (2015). Haynes Manual on Diesel Engines. Haynes Publishing.

  3. Brach, R. M. (2023). SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE Books.

  4. Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.

  5. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  6. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  7. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  8. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  9. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  10. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  11. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  12. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  13. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  14. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  15. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  16. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  17. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  18. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

  19. Cummins Inc. (n.d.). General Information. Bulletin Number 4021557, Operation and Maintenance Manual.

SPECIFICATIONS

Package Dimensions
17.0 x 6.25 x 4.25 in
Weight
0.71 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.