5342332
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$114.95 $136.79

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 Injector Fuel Supply Tube 5342332, manufactured by Cummins, is a critical component in the fuel system of heavy-duty trucks. This tube ensures the efficient delivery of fuel from the tank to the injectors, playing a vital role in maintaining optimal engine performance.

Basic Concepts of Injector Fuel Supply Tube

The Injector Fuel Supply Tube operates on fundamental principles essential to the fuel injection system. It serves as a conduit for fuel, ensuring a consistent and pressurized flow from the fuel tank to the injectors. This uninterrupted supply is crucial for maintaining engine performance, allowing for precise fuel delivery to the combustion chambers. The tube’s design and material contribute to its ability to withstand the pressures and temperatures inherent in the fuel system 1.

Operation of the Injector Fuel Supply Tube

The operation of the Injector Fuel Supply Tube involves the transfer of fuel under pressure from the tank to the injectors. This process begins with the fuel pump, which pressurizes the fuel and sends it through the supply tube. The tube must maintain this pressure to ensure that the injectors receive the fuel at the correct pressure and volume. This consistent delivery is fundamental to the engine’s combustion process and overall performance 2.

Purpose of the Injector Fuel Supply Tube

The Injector Fuel Supply Tube ensures efficient fuel delivery to the injectors. Its design and construction are tailored to meet the demands of heavy-duty applications, contributing to both fuel efficiency and engine performance. By maintaining a stable fuel supply, it supports the engine’s ability to operate under various conditions, from idle to full load 3.

Key Features

The Injector Fuel Supply Tube boasts several key features that enhance its performance and durability. Constructed from high-quality materials, it is designed to resist corrosion and wear. Its precise engineering ensures a secure fit within the fuel system, while its robust construction allows it to handle the high pressures and temperatures encountered in heavy-duty truck applications. These features collectively contribute to its reliability and longevity.

Benefits

Utilizing the Injector Fuel Supply Tube offers several benefits. It contributes to improved fuel efficiency by ensuring a consistent and pressurized fuel supply to the injectors. This efficient delivery supports enhanced engine performance, allowing the engine to operate more smoothly and with greater power. Additionally, its durable construction ensures reliability in demanding conditions, reducing the likelihood of fuel system failures.

Installation Process

Installing the Injector Fuel Supply Tube requires careful attention to detail to ensure optimal performance. The process involves disconnecting the old tube, cleaning the fuel system components, and aligning the new tube with the fuel injectors and fuel pump. Proper tools and precautions, such as using thread sealant on connections, are necessary to prevent leaks and ensure a secure fit. Following the manufacturer’s guidelines for installation is crucial to maintaining the integrity of the fuel system.

Troubleshooting Common Issues

Common issues associated with the Injector Fuel Supply Tube include leaks, blockages, and fuel delivery problems. Troubleshooting these issues involves inspecting the tube and connections for signs of wear or damage, checking for proper alignment, and ensuring that there are no obstructions in the fuel line. Addressing these problems promptly can prevent more significant fuel system failures and maintain engine performance.

Maintenance Tips

Regular maintenance of the Injector Fuel Supply Tube is essential to prolong its lifespan and ensure consistent performance. This includes periodic inspections for signs of wear or damage, cleaning the tube and connections to remove any debris, and replacing the tube according to the manufacturer’s recommendations or when signs of failure are detected. Adhering to these maintenance practices helps maintain the efficiency and reliability of the fuel system.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to producing high-quality components. With a rich history of innovation and excellence, Cummins has established a reputation for reliability and performance. Its dedication to manufacturing superior automotive parts, including the Injector Fuel Supply Tube, underscores its position as a leader in the industry.

Cummins Injector Fuel Supply Tube (Part 5342332) Compatibility

The Cummins Injector Fuel Supply Tube, identified by the part number 5342332, is a critical component in the fuel delivery system of various Cummins engines. This part is designed to ensure a reliable and efficient fuel supply to the injectors, which is essential for maintaining optimal engine performance.

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (5342332) is compatible with the following Cummins engines:

  • QSB6.7 CM2350 B105

This part is engineered to fit seamlessly within the fuel systems of these engines, ensuring that the fuel supply remains uninterrupted and consistent. The design and specifications of the injector fuel supply tube are tailored to meet the unique requirements of these engines, providing a secure and durable connection that can withstand the rigors of continuous operation.

Grouping of Compatible Engines

While the injector fuel supply tube (5342332) is specifically designed for the QSB6.7 CM2350 B105 engine, it is also compatible with other engines within the same family or series. This compatibility extends to engines that share similar fuel system architectures and specifications, ensuring that the part can be used across multiple models without compromising performance or reliability.

By ensuring that the injector fuel supply tube is compatible with a range of engines, Cummins provides a versatile and reliable solution for maintaining the integrity of the fuel delivery system. This compatibility allows for easier maintenance and repair, as technicians can use a single part across multiple engine models, reducing inventory costs and simplifying the repair process.

Understanding the Role of Part 5342332 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5342332, is an essential component within the fuel system of an engine. Its primary function is to deliver fuel from the fuel rail to the fuel injectors. This part ensures a consistent and precise flow of fuel, which is necessary for the injectors to atomize the fuel effectively before it enters the combustion chamber.

Integration with Fuel System Components

  1. Fuel Rail: The Injector Fuel Supply Tube is directly connected to the fuel rail. The fuel rail distributes fuel to each injector under pressure. The tube’s role is to maintain this pressure and provide a seamless connection, ensuring that each injector receives an equal amount of fuel.

  2. Fuel Injectors: Each fuel injector is supplied with fuel through the Injector Fuel Supply Tube. The tube’s design allows for minimal pressure drop, ensuring that the injectors operate efficiently and deliver fuel in the correct quantity and at the right time.

  3. Plumbing: The Injector Fuel Supply Tube is part of the overall fuel system plumbing. It connects various components, including the fuel pump, fuel filter, and fuel pressure regulator, ensuring a continuous and uninterrupted fuel supply. Proper sealing and connection of the tube are vital to prevent fuel leaks and maintain system integrity.

  4. Fuel Pressure Regulator: The tube interacts with the fuel pressure regulator, which maintains the correct fuel pressure within the system. The consistent flow through the tube helps the regulator function effectively, adjusting the pressure as needed to meet engine demands.

  5. Fuel Return Line: In systems with a return line, the Injector Fuel Supply Tube plays a role in managing the fuel that is not immediately used by the injectors. This excess fuel is returned to the tank via the return line, and the tube ensures that this process occurs without contamination or pressure issues.

Operational Dynamics

The Injector Fuel Supply Tube operates under high pressure, necessitating robust construction and precise engineering. Its role in the fuel system is to facilitate the smooth and reliable transfer of fuel, supporting the engine’s performance and efficiency. The tube must withstand the constant flow of fuel and the varying pressures within the system, making it a key component in the overall functionality of the engine.

Conclusion

In summary, the Injector Fuel Supply Tube (part 5342332) is integral to the fuel system, ensuring that fuel is delivered efficiently and consistently to the injectors. Its proper function is essential for the engine’s performance, highlighting the importance of this component in the intricate network of the fuel system.


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

  2. Motor Vehicle Mechanics Textbook, Fifth Edition, F. K. Sully, Heinemann Professional Publishing, 1998

  3. Engineering Mechanics: Statics, Libby Osgood, Gayla Cameron, and Emma Christensen, Creative Commons, 2024

SPECIFICATIONS

Package Dimensions
19.5 x 1.625 x 4.0 in
Weight
0.855 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.