3284943
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$144.95 $172.49

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

Introduction

The Fuel Injector Supply Tube 3284943 is a component designed by Cummins to facilitate the efficient delivery of fuel within the fuel system of heavy-duty trucks. Its role is integral to maintaining the performance and reliability of the engine by ensuring a consistent and precise supply of fuel to the injectors 1.

Basic Concepts of Fuel Injector Supply Tubes

A Fuel Injector Supply Tube serves as a conduit within the fuel system, responsible for transporting fuel from the fuel rail to the injectors. This component is vital for the proper atomization and distribution of fuel, which directly influences the combustion process and, consequently, the overall performance of the engine. By maintaining a steady fuel flow, the supply tube contributes to the engine’s efficiency and power output 2.

Purpose of the 3284943 Fuel Injector Supply Tube

The 3284943 Fuel Injector Supply Tube is specifically engineered to deliver fuel to the injectors in a manner that ensures optimal engine operation. It plays a role in the fuel system by providing a direct and unobstructed path for fuel, which is crucial for the injectors to function correctly. This ensures that the fuel is delivered at the right pressure and volume, contributing to efficient combustion and engine performance 3.

Key Features

The 3284943 Fuel Injector Supply Tube is constructed from high-quality materials that offer durability and resistance to the harsh conditions within the engine compartment. Its design includes precise engineering to ensure a secure fit and reliable performance. Unique characteristics such as corrosion resistance and the ability to withstand high pressures enhance its functionality and longevity.

Benefits

Utilizing the 3284943 Fuel Injector Supply Tube offers several advantages, including improved fuel delivery efficiency. This leads to enhanced engine performance, as the injectors receive a consistent supply of fuel, allowing for optimal combustion. Additionally, the reliability of the supply tube contributes to the overall durability and efficiency of the fuel system.

Installation Process

Installing the 3284943 Fuel Injector Supply Tube requires careful attention to ensure proper fitting and functionality. The process involves securing the tube to the fuel rail and injectors, ensuring all connections are tight and free from leaks. Tools such as wrenches and torque wrenches may be necessary to achieve the correct fittings. It is important to follow the manufacturer’s guidelines to ensure the tube is installed correctly.

Common Issues and Troubleshooting

Issues with the 3284943 Fuel Injector Supply Tube may include leaks or blockages, which can affect fuel delivery and engine performance. Troubleshooting these problems involves inspecting the tube and connections for signs of wear or damage. Addressing leaks may require tightening connections or replacing damaged components, while blockages might necessitate cleaning or replacement of the tube.

Maintenance Tips

Regular maintenance of the 3284943 Fuel Injector Supply Tube is crucial for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, corrosion, or damage. Cleaning the tube and its connections can prevent blockages and ensure a smooth fuel flow. Adhering to recommended inspection intervals and maintenance procedures will help maintain the efficiency of the fuel system.

Compatibility and Application

The 3284943 Fuel Injector Supply Tube is designed for specific engines and truck models, ensuring compatibility and optimal performance. It is important to consult the manufacturer’s specifications to confirm compatibility with your vehicle. Application notes may include specific installation instructions or considerations to ensure the tube functions correctly within your engine system.

Cummins Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of engines and related technologies. With a rich history of innovation and quality, Cummins has established a reputation for producing reliable and high-performance automotive components, particularly for heavy-duty trucks. Their commitment to excellence and customer satisfaction is evident in the design and functionality of components like the 3284943 Fuel Injector Supply Tube.

Cummins Fuel Injector Supply Tube (Part 3284943) Compatibility

The Cummins Fuel Injector Supply Tube, identified by part number 3284943, is a critical component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel pump to the fuel injectors, maintaining the engine’s performance and fuel efficiency.

Engine Compatibility

  • 6B5.9 Series

    • The 6B5.9 engine series is known for its robust design and is commonly used in heavy-duty applications. The Fuel Injector Supply Tube (3284943) is specifically engineered to fit seamlessly within the fuel system architecture of the 6B5.9 engines. This ensures that the fuel is delivered at the correct pressure and flow rate, which is crucial for optimal engine operation.
  • Other Cummins Engines

    • While the primary focus here is on the 6B5.9 series, it is important to note that the Fuel Injector Supply Tube (3284943) may also be compatible with other Cummins engine models. Cummins engines are known for their modular design, which often allows for interchangeability of parts across different engine series. However, it is essential to verify compatibility with the specific engine model in question to ensure proper fitment and function.

Installation and Maintenance

Proper installation of the Fuel Injector Supply Tube (3284943) is critical to prevent fuel leaks and ensure the engine operates efficiently. Maintenance of this component involves regular inspection for signs of wear, corrosion, or damage. Any issues with the supply tube can lead to fuel delivery problems, which can affect engine performance and fuel economy.

Regular maintenance checks and timely replacement of the supply tube, if necessary, are recommended to maintain the integrity of the fuel system and the overall performance of the engine.

Role of Part 3284943 Fuel Injector Supply Tube in Engine Systems

The Part 3284943 Fuel Injector Supply Tube is an essential component in the fuel delivery system of an engine. It facilitates the precise and efficient transfer of fuel from the fuel rail to the individual fuel injectors. This component ensures that each injector receives a consistent and regulated fuel supply, which is vital for optimal engine performance.

Integration with Fuel Plumbing

The Fuel Injector Supply Tube interfaces directly with the fuel plumbing system. It connects to the fuel rail, which is a pressurized conduit that distributes fuel to all injectors. The tube’s design allows for secure attachment to the fuel rail, minimizing the risk of leaks and ensuring a stable fuel flow. The tube’s role in the fuel plumbing system is to act as a bridge, transferring fuel from the high-pressure rail to the lower-pressure injectors while maintaining the integrity of the fuel line.

Interaction with Injector Fuel Supply Tube

In conjunction with the Injector Fuel Supply Tube, Part 3284943 plays a pivotal role in the fuel injection process. The Injector Fuel Supply Tube is responsible for delivering fuel from the supply tube to the injector nozzle. The precise fit and sealing properties of Part 3284943 ensure that fuel is delivered without contamination or loss of pressure. This interaction is fundamental for the injectors to atomize fuel effectively, promoting better combustion efficiency and reducing emissions.

Ensuring Consistent Fuel Delivery

The consistent fuel delivery provided by Part 3284943 is instrumental in maintaining engine performance across varying operating conditions. Whether the engine is idling, cruising, or under heavy load, the supply tube ensures that each injector receives the necessary fuel volume and pressure. This consistency is essential for the engine’s drivability, fuel economy, and overall efficiency.

Supporting Engine Management Systems

Modern engines are equipped with sophisticated engine management systems that rely on precise fuel delivery for optimal performance. Part 3284943 contributes to this precision by ensuring that the fuel injectors operate within their specified parameters. The supply tube’s design supports the engine’s ability to adapt to changing conditions, such as altitude, temperature, and load, by providing a reliable fuel supply to the injectors.

Conclusion

In summary, the 3284943 Fuel Injector Supply Tube is a key component in the fuel delivery system, working in tandem with the fuel plumbing and injector fuel supply tube to ensure efficient and consistent fuel distribution to the engine’s injectors. Its role in maintaining engine performance, ensuring consistent fuel delivery, and supporting modern engine management systems underscores its importance in the overall operation of heavy-duty engines.


  1. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  2. Hiereth, Hermann, Peter Prenninger, and Klaus W Drexl. Charging the Internal Combustion Engine. Springer, 2010.

  3. Bennett, Sean. Modern Diesel Technology Light Duty Diesels. Cengage Learning, 2012.

SPECIFICATIONS

Comments
#6 Cylinder
Package Dimensions
18.3 x 7.5 x 2.0 in
Weight
0.53 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.
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