5345959
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$159.95 $190.34

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, identified by part number 5345959, is a critical component in the fuel system of heavy-duty trucks. Manufactured by Cummins Inc., a leader in diesel engine production, this part ensures the efficient delivery of fuel to the injectors, contributing to the overall performance and reliability of the engine 1.

Function and Operation

The Cummins Injector Fuel Supply Tube operates as a conduit within the fuel system, delivering fuel from the fuel rail to the injectors. It maintains consistent fuel pressure, which is vital for the precise operation of fuel injectors. This ensures that fuel is delivered in the correct quantity and at the right time, optimizing combustion efficiency and engine performance 2.

Purpose of the Injector Fuel Supply Tube

The specific role of the Injector Fuel Supply Tube in truck operation is to facilitate the efficient delivery of fuel to the injectors. By ensuring a steady supply of fuel under pressure, it contributes to the engine’s performance, allowing for smooth operation and efficient fuel consumption. This component is designed to work in harmony with the fuel injectors to enhance the overall efficiency and power output of the engine.

Key Features

The Cummins Injector Fuel Supply Tube is constructed from durable materials, designed to withstand the high pressures and temperatures within the fuel system. Its design specifications include precise dimensions and connections to ensure a secure fit and reliable operation. Unique attributes such as corrosion resistance and high-pressure tolerance enhance its functionality, making it suitable for the demanding conditions encountered in heavy-duty truck applications.

Benefits

The advantages provided by the Cummins Injector Fuel Supply Tube include improved fuel efficiency, enhanced engine performance, and reliability in demanding operating conditions. By ensuring a consistent and pressurized fuel supply to the injectors, it contributes to more efficient combustion, which can lead to better fuel economy and reduced emissions. Additionally, its robust construction and design ensure long-term reliability, even under the stress of heavy-duty use.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube is crucial for ensuring its effective operation and compatibility with Cummins engines. Installation procedures should follow manufacturer guidelines to ensure a secure and leak-free connection. Specific requirements may include the use of compatible seals and fittings, as well as adherence to torque specifications for fastening components. Ensuring compatibility with the engine model is also important to maintain the integrity of the fuel system.

Maintenance and Troubleshooting

Routine maintenance practices for the Cummins Injector Fuel Supply Tube include regular inspections for signs of wear, corrosion, or leaks. It is important to follow manufacturer recommendations for maintenance intervals and procedures. Troubleshooting common issues such as fuel leaks or decreased performance may involve checking connections for tightness, inspecting the tube for damage, and ensuring that the fuel system is free of contaminants. Prompt attention to these issues can help maintain the efficiency and reliability of the fuel system.

Safety Considerations

When working with the Cummins Injector Fuel Supply Tube, it is important to follow safety precautions and guidelines. This includes wearing appropriate personal protective equipment, such as gloves and safety glasses, to protect against fuel spills and high-pressure leaks. Proper handling procedures should be observed to avoid damage to the component or injury to personnel. Additionally, ensuring that the work area is well-ventilated and free of ignition sources is crucial when working with fuel system components.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel engines, natural gas engines, and related technologies. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive industry, particularly in the realm of diesel engines and components. Their product offerings cater to a variety of applications, from on-highway to off-highway, and are known for their durability and performance in demanding environments.

Role of Part 5345959 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5345959, is an integral component in the fuel delivery system of an engine. It facilitates the precise and efficient transfer of fuel from the fuel rail to the injectors. This part ensures that the fuel is delivered under the correct pressure and in the right quantity to each injector, which is essential for optimal engine performance.

In the context of injector plumbing, the Injector Fuel Supply Tube connects the fuel rail to the individual fuel injectors. This connection is part of a meticulously designed system that maintains consistent fuel pressure throughout the engine’s operation. The tube’s role is to provide a secure and leak-free pathway for fuel, minimizing the risk of fuel leaks that could lead to dangerous situations or decreased engine efficiency.

The interaction between the Injector Fuel Supply Tube and the injectors is particularly noteworthy. Each injector is responsible for spraying atomized fuel into the combustion chamber at the precise moment required for efficient combustion. The fuel supply tube ensures that each injector receives a steady flow of fuel, allowing for consistent spray patterns and combustion efficiency. This is particularly important in engines that require high precision, such as those found in performance vehicles or those adhering to stringent emissions standards.

Furthermore, the Injector Fuel Supply Tube plays a role in the overall integrity of the fuel system plumbing. It is designed to withstand the high pressures and temperatures within the fuel system, ensuring durability and reliability. The tube’s material and construction are chosen to resist corrosion and wear, contributing to the longevity of the fuel system components.

Conclusion

In summary, the Cummins Injector Fuel Supply Tube (part 5345959) is a key element in the fuel delivery network, ensuring that fuel is efficiently and reliably supplied to the injectors. Its proper function is essential for maintaining engine performance, fuel efficiency, and emissions control.


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

  2. Bari, Saiful. Diesel Engine Combustion, Emissions and Condition Monitoring. InTech, 2013.

* 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.