5342331
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$60.95 $72.53

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 Cummins Injector Fuel Supply Tube, identified by part number 5342331, is a critical component in the fuel system of heavy-duty trucks. It ensures efficient engine performance by facilitating the precise delivery of fuel from the fuel rail to the injectors. This part is designed to maintain the optimal operation of the fuel system, contributing to the overall reliability and efficiency of the engine.

Basic Concepts of Injector Fuel Supply Tubes

An Injector Fuel Supply Tube is a conduit within the fuel system that connects the fuel rail to the fuel injectors. Its function is to deliver pressurized fuel from the rail to the injectors, which then atomize the fuel into the combustion chamber. The tube interacts closely with the fuel injector and fuel rail, ensuring a consistent and reliable fuel supply under varying engine conditions 1.

Purpose and Function

The Cummins Injector Fuel Supply Tube (Part #5342331) plays a role in the operation of a truck by delivering fuel from the fuel rail to the injectors. This ensures that each injector receives the correct amount of fuel at the right pressure, which is vital for efficient combustion and engine performance. The tube’s design allows it to withstand the high pressures and temperatures within the fuel system, ensuring reliable fuel delivery 2.

Key Features

The Cummins Injector Fuel Supply Tube is constructed from high-quality materials that enhance its durability and performance. Its design includes features that ensure a secure connection to both the fuel rail and the injectors, minimizing the risk of leaks. The tube is engineered to resist corrosion and wear, contributing to its longevity and reliability in demanding operating conditions.

Benefits

Using the Cummins Injector Fuel Supply Tube offers several benefits. It improves fuel delivery efficiency by ensuring a consistent and reliable fuel supply to the injectors. This contributes to enhanced engine performance, as the injectors can operate optimally. Additionally, efficient fuel delivery can lead to improvements in fuel economy and reductions in emissions, aligning with environmental and economic objectives 3.

Installation and Compatibility

Proper installation of the Cummins Injector Fuel Supply Tube involves securing it to both the fuel rail and the injectors, ensuring all connections are tight and leak-free. Specific installation procedures may vary depending on the engine model and truck make, so it is important to follow manufacturer guidelines. This part is compatible with various Cummins engine models and is designed to fit specific truck makes and models, ensuring a precise fit and function.

Maintenance and Troubleshooting

Routine maintenance of the Cummins Injector Fuel Supply Tube includes checking for signs of wear, corrosion, or leaks. Regular inspections can help identify potential issues before they lead to more significant problems. Common issues may include leaks at the connections or blockages within the tube. Troubleshooting tips include ensuring all connections are secure, checking for debris or contaminants in the fuel system, and replacing the tube if signs of wear or damage are detected.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, Cummins is committed to producing high-quality engine components and systems. The company’s focus on innovation, quality, and customer satisfaction has established it as a trusted name in the production of engine parts, including the Cummins Injector Fuel Supply Tube.

Cummins Injector Fuel Supply Tube 5342331 Compatibility

The Cummins Injector Fuel Supply Tube part number 5342331 is a critical component in the fuel delivery system of certain Cummins engines. This part is designed to ensure the proper flow of fuel from the fuel pump to the injectors, maintaining the engine’s performance and efficiency.

QSB6.7 CM2350 B105 Engines

The Injector Fuel Supply Tube 5342331 is specifically engineered to fit the following Cummins engines:

  • QSB6.7 CM2350 B105

This part is integral to the fuel system of these engines, ensuring that fuel is delivered consistently and accurately to the injectors. The design and material of the tube are optimized to withstand the high pressures and temperatures typical of diesel engines, ensuring durability and reliability.

Engine Grouping

While the Injector Fuel Supply Tube 5342331 is primarily associated with the QSB6.7 CM2350 B105 engine, it is also compatible with other engines within the same family or series. This compatibility is due to the standardized design and specifications that Cummins maintains across similar engine models.

Engines within the same series often share similar components and systems, making it easier to maintain and repair them using parts like the 5342331 Injector Fuel Supply Tube. This standardization helps streamline the maintenance process and ensures that the correct parts are used for optimal performance.

Role of Part 5342331 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5342331, is an integral component in the fuel delivery system of an engine. Its primary function is to transport fuel from the fuel rail to the injectors, ensuring a consistent and regulated supply of fuel to each cylinder.

In the context of the fuel system, the Injector Fuel Supply Tube works in conjunction with the fuel rail, which acts as a manifold distributing fuel to each injector. The tube connects directly to the injector, providing a dedicated pathway for fuel delivery. This setup ensures that each injector receives the precise amount of fuel needed for optimal combustion.

The Injector Fuel Supply Tube also interfaces with the fuel pump, which pressurizes the fuel before it reaches the rail. The tube must be capable of withstanding the pressure exerted by the fuel pump to prevent leaks and ensure efficient fuel delivery.

In terms of plumbing, the Injector Fuel Supply Tube is often connected to various fuel lines and fittings. These connections are critical for maintaining the integrity of the fuel system, preventing fuel leaks, and ensuring that the fuel reaches the injectors without restriction.

Overall, the Injector Fuel Supply Tube plays a significant role in the efficient operation of the fuel system, contributing to the engine’s performance, fuel efficiency, and emissions control.

Conclusion

The Cummins Injector Fuel Supply Tube (Part #5342331) is a vital component in the fuel delivery system of heavy-duty trucks. Its role in ensuring efficient and reliable fuel delivery to the injectors contributes to enhanced engine performance, improved fuel economy, and reduced emissions. Proper installation, maintenance, and understanding of its compatibility with various Cummins engines are essential for optimal engine operation.


  1. Singh, D. K. (2024). Dictionary of Mechanical Engineering. Springer Nature.

  2. Schneider, W.-H. (2016). Pistons and Engine Testing. Springer Nature.

  3. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

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SPECIFICATIONS

Package Dimensions
7.0 x 1.0 x 3.0 in
Weight
0.3 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.