5284026
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$109.95 $130.84

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 (5284026) is a component designed to facilitate the efficient delivery of fuel within the fuel system of commercial trucks. Its purpose is to ensure that fuel is consistently and reliably supplied to the injectors, which is vital for the proper operation of the engine. This part plays a role in maintaining the overall performance and efficiency of the truck’s engine.

Basic Concepts of Injector Fuel Supply Tubes

Injector fuel supply tubes are integral to the fuel system, responsible for transporting fuel from the fuel rail to the injectors. These tubes must maintain proper fuel pressure and flow to ensure that the injectors receive the correct amount of fuel at the right time. Consistent fuel pressure is necessary for the injectors to atomize the fuel effectively, leading to efficient combustion within the engine cylinders. The design and material of these tubes are engineered to withstand the high pressures and temperatures within the fuel system, ensuring reliable performance over time 1.

Role and Function of the Injector Fuel Supply Tube

The Injector Fuel Supply Tube (5284026) is specifically designed to deliver fuel from the fuel rail to the injectors in a Cummins engine. This component ensures that fuel is supplied under consistent pressure, which is necessary for the injectors to operate efficiently. By maintaining stable fuel pressure, the tube contributes to the precise delivery of fuel, enhancing combustion efficiency and overall engine performance. Its role in the fuel system is to provide a reliable pathway for fuel, minimizing the risk of leaks or blockages that could disrupt engine operation 2.

Key Features of the Injector Fuel Supply Tube

The Injector Fuel Supply Tube (5284026) is constructed from high-quality materials that offer durability and resistance to the harsh conditions within the fuel system. Its design includes specific specifications to ensure a secure fit within the engine’s fuel rail and injectors. Unique attributes of this tube may include reinforced sections to prevent kinking or damage, and precise engineering to maintain fuel flow integrity. These features contribute to the tube’s performance and longevity, making it a reliable component in the fuel delivery system.

Benefits of Using the Injector Fuel Supply Tube

Utilizing the Injector Fuel Supply Tube (5284026) offers several benefits. Improved fuel efficiency is one of the primary advantages, as consistent fuel delivery leads to more complete combustion. Enhanced engine performance is another benefit, as the reliable supply of fuel under consistent pressure allows the engine to operate at optimal levels. Additionally, the durability and design of this tube contribute to the increased reliability of the fuel delivery system, reducing the likelihood of failures or disruptions in fuel supply 3.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube (5284026) is crucial for ensuring its effective function within the fuel system. Installation procedures should follow manufacturer guidelines to ensure a secure and proper fit. This tube is compatible with various Cummins engine models, designed to integrate seamlessly with the existing fuel system components. Careful consideration of fit and function is necessary to maintain the integrity of the fuel delivery system.

Troubleshooting Common Issues

Common issues with the Injector Fuel Supply Tube (5284026) may include leaks, blockages, or inconsistent fuel delivery. Identifying these issues involves inspecting the tube for signs of damage or wear, checking connections for tightness, and ensuring there are no obstructions in the fuel path. Diagnostic procedures may include pressure testing the fuel system to identify leaks or restrictions. Potential solutions range from cleaning or repairing the tube to replacing it if damage is detected.

Maintenance and Care

Regular maintenance of the Injector Fuel Supply Tube (5284026) is important for ensuring optimal performance and longevity. Inspection procedures should be conducted periodically to check for signs of wear, corrosion, or damage. Cleaning methods may involve using appropriate solvents to remove any buildup within the tube. Replacement guidelines should be followed if the tube shows significant wear or if performance issues arise, ensuring that the fuel delivery system remains efficient and reliable.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its innovative products and commitment to quality. The company offers a wide range of engines and components designed to meet the demanding requirements of commercial transportation. Cummins’ reputation is built on its dedication to innovation, quality, and customer satisfaction, providing reliable and high-performance solutions for the industry.

Cummins Injector Fuel Supply Tube (Part 5284026) Compatibility

The Cummins Injector Fuel Supply Tube, part number 5284026, is designed to fit a variety of Cummins engines, ensuring seamless integration and optimal performance. This part is crucial for maintaining the integrity of the fuel delivery system, which is essential for the overall efficiency and reliability of the engine.

Compatible Engines

  • 6C8.3: The Injector Fuel Supply Tube is engineered to fit the 6C8.3 engine, providing a reliable connection between the injector and the fuel supply system.
  • ISL9 CM2150 SN, ISL9.5 CM2880 L138: These engines benefit from the precise fit and robust construction of the part 5284026, ensuring consistent fuel delivery and performance.
  • L8.9 CM2670 L134C, L9 CM2670 L128B: The Injector Fuel Supply Tube is compatible with these models, offering durability and ease of installation.
  • QSC8.3 CM2880 C102, QSL9 CM850 (CM2850), QSL9.3 CM2880 L113: These engines also utilize the part 5284026, which is designed to withstand the demands of high-performance applications.

Grouping of Compatible Engines

The engines listed above can be grouped based on their series and model numbers, reflecting their shared design and operational characteristics. For instance:

  • ISL Series: The ISL9 CM2150 SN and ISL9.5 CM2880 L138 engines are part of the ISL series, known for their high power output and efficiency.
  • L Series: The L8.9 CM2670 L134C and L9 CM2670 L128B engines belong to the L series, which is recognized for its versatility and reliability in various applications.
  • QSC and QSL Series: The QSC8.3 CM2880 C102, QSL9 CM850 (CM2850), and QSL9.3 CM2880 L113 engines are part of the QSC and QSL series, designed for heavy-duty use and demanding conditions.

This compatibility ensures that the Injector Fuel Supply Tube can be used across a range of Cummins engines, providing a standardized solution for maintaining the fuel delivery system.

Role of Part 5284026 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube (5284026) is a component in the fuel delivery system of an engine. It is responsible for transporting pressurized fuel from the fuel rail to the fuel injectors. This part ensures a consistent and reliable fuel supply, which is vital for the injectors to function properly.

Integration with Injector Plumbing

The Injector Fuel Supply Tube is a key element in the injector plumbing system. It connects the fuel rail to the injectors, creating a sealed pathway for fuel to travel. This connection is part of a larger network that includes fuel lines, filters, and the fuel pump, all working together to maintain the correct fuel pressure and flow rate.

Interaction with Fuel Injectors

Fuel injectors rely on a steady supply of pressurized fuel to atomize and deliver it into the combustion chamber at the precise moment. The Injector Fuel Supply Tube (5284026) plays a significant role here by ensuring that the fuel reaches the injectors without any leaks or restrictions. This consistent fuel delivery helps in achieving optimal combustion efficiency and performance.

Contribution to Engine Performance

The performance of an engine is directly influenced by how well the fuel is delivered to the combustion chambers. The Injector Fuel Supply Tube (5284026) contributes to this by maintaining fuel integrity and pressure. Any malfunction or blockage in this tube can lead to inconsistent fuel delivery, affecting engine performance, fuel economy, and emissions.

Relationship with the Camshaft

Although the camshaft operates independently of the fuel system, its timing is closely related to the fuel injection process. The camshaft controls the opening and closing of the intake and exhaust valves, which must be synchronized with the fuel injection timing. A reliable fuel supply tube ensures that the injectors can deliver fuel at the exact moment it is needed, complementing the camshaft’s role in the engine’s operation.

Overall System Reliability

The Injector Fuel Supply Tube (5284026) is a small but significant part of the engine’s fuel system. Its reliable operation is essential for the overall functionality and performance of the engine. Ensuring this component is in good condition is part of regular maintenance to prevent issues that could lead to more significant problems down the line.

Conclusion

The Injector Fuel Supply Tube (5284026) is a critical component in the fuel delivery system of Cummins engines. Its role in ensuring consistent and reliable fuel supply to the injectors is essential for optimal engine performance and efficiency. Proper installation, regular maintenance, and timely replacement of this part are crucial for maintaining the integrity of the fuel delivery system and ensuring the overall reliability of the engine.


  1. Hilgers, Michael. The Diesel Engine Second Edition. Springer Nature, 2023.

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

  3. Kasab, John, and Andrea Strzelec. Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International, 2020.

SPECIFICATIONS

Comments
#1 Cylinder.
Package Dimensions
16.0 x 16.0 x 6.0 in
Weight
0.2 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.