3819391
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$51.95 $61.82

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 3819391 Fuel Supply Tube is a component designed for use in heavy-duty trucks equipped with Cummins engines. Its purpose is to facilitate the delivery of fuel from the fuel tank to the engine, ensuring that the engine receives a consistent and reliable supply of fuel for combustion. This component is significant in the operation of heavy-duty trucks as it contributes to the overall efficiency and performance of the engine 1.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit within the fuel system that transports fuel from the fuel tank to the engine. Its function is vital for the operation of the engine, as it ensures that fuel is delivered under the correct pressure and in the right quantity to support combustion. The performance of a truck’s engine is directly influenced by the efficiency of its fuel supply system, making the fuel supply tube a key component in this process 2.

Role of the 3819391 Fuel Supply Tube in Truck Operation

This Cummins part plays a specific role in the fuel delivery system of Cummins engines by ensuring a consistent flow of fuel to the engine. This component is engineered to withstand the pressures and temperatures associated with fuel delivery in heavy-duty applications. By maintaining a steady fuel supply, it contributes to the engine’s ability to operate efficiently under various conditions 3.

Key Features of the 3819391 Fuel Supply Tube

The design and construction of the 3819391 Fuel Supply Tube include features that enhance its performance and longevity. It is made from materials that offer durability and resistance to the corrosive effects of fuel. The tube’s construction is tailored to meet the demands of heavy-duty truck applications, ensuring it can withstand the rigors of daily use. Unique attributes such as precise engineering and quality control measures during manufacturing contribute to its reliable performance.

Benefits of Using the 3819391 Fuel Supply Tube

The advantages of using this part include improved fuel efficiency, as it ensures that fuel is delivered to the engine in an optimal manner. Its reliable design contributes to the overall dependability of the fuel system, reducing the likelihood of fuel-related issues. Additionally, its compatibility with Cummins engines ensures that it integrates seamlessly into the fuel system, supporting the engine’s performance.

Installation and Compatibility

Proper installation of the 3819391 Fuel Supply Tube is important for ensuring a secure and effective fit within the fuel system. Installation procedures should follow manufacturer guidelines to ensure that the tube is correctly positioned and connected. Specific requirements may include the use of appropriate fittings and seals to prevent leaks and ensure a tight connection. Compatibility with the fuel system is ensured through its design, which is tailored to fit Cummins engines.

Maintenance and Troubleshooting

Routine maintenance practices for the 3819391 Fuel Supply Tube include regular inspections for signs of wear or damage, ensuring that connections are secure, and verifying that the tube is free from obstructions. Troubleshooting common issues may involve checking for leaks, ensuring proper fuel pressure, and verifying that the tube is correctly installed. Addressing these aspects can help maintain the longevity and optimal performance of the fuel supply tube.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company’s product range includes engines for on-highway, off-highway, and stationary applications, demonstrating its commitment to providing reliable and efficient power solutions across various industries.

Cummins Fuel Supply Tube 3819391 Compatibility

The Cummins Fuel Supply Tube part number 3819391 is designed to integrate seamlessly with various Cummins engines, ensuring efficient fuel delivery and optimal engine performance. This part is crucial for maintaining the integrity of the fuel system, providing a reliable conduit for fuel from the fuel tank to the engine.

L10 Mechanical Engines

For the L10 Mechanical engines, the Fuel Supply Tube 3819391 is engineered to fit precisely within the engine’s fuel system architecture. This ensures that the fuel supply is uninterrupted and consistent, which is vital for the engine’s operational efficiency and longevity. The tube’s design accommodates the specific layout and requirements of the L10 Mechanical engines, making it an essential component for these models.

Group Compatibility

The Fuel Supply Tube 3819391 is also compatible with a broader group of Cummins engines that share similar design and operational parameters. This compatibility extends to various engine models within the Cummins portfolio, ensuring that the tube can be used across multiple platforms without modification. The design of the tube is standardized to fit these engines, providing a reliable and efficient fuel supply solution.

Installation and Maintenance

When installing the Fuel Supply Tube 3819391, it is important to follow the manufacturer’s guidelines to ensure a proper fit and function. Regular maintenance checks should be conducted to verify the integrity of the tube and to prevent any potential fuel leaks or supply disruptions. This proactive approach helps in maintaining the overall performance and reliability of the engine.

Role of Part 3819391 Fuel Supply Tube in Engine Systems

The Part 3819391 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel tank to the fuel injectors or carburetor, ensuring a consistent and reliable fuel supply to the engine.

Integration with Fuel Plumbing

In the context of fuel plumbing, the Fuel Supply Tube works in conjunction with fuel lines, filters, and regulators. It is typically connected to the fuel tank at one end and to the fuel filter or directly to the fuel injectors at the other. This setup ensures that fuel is efficiently routed through the system, minimizing the risk of leaks and maintaining optimal fuel pressure.

Function within the Plumbing System

Within the broader plumbing system of the engine, the Fuel Supply Tube plays a significant role in maintaining the integrity of the fuel path. It is often equipped with connectors and fittings that allow for easy installation and removal, facilitating maintenance and repairs. The tube is designed to withstand the pressures and temperatures associated with fuel delivery, ensuring durable and reliable performance.

Interaction with Fuel Injectors and Carburetors

When connected to fuel injectors, the Fuel Supply Tube ensures that each injector receives a precise amount of fuel, contributing to efficient combustion and overall engine performance. In carburetor-equipped engines, the tube delivers fuel to the carburetor, where it is mixed with air before entering the combustion chamber. This consistent fuel delivery is vital for maintaining engine efficiency and power output.

Role in Fuel System Regulation

The Fuel Supply Tube also interacts with fuel system regulators, which control the pressure of the fuel as it enters the injectors or carburetor. By providing a stable and uninterrupted fuel flow, the tube helps the regulator maintain the correct pressure, ensuring that the engine operates smoothly under various conditions.

Conclusion

In summary, the Part 3819391 Fuel Supply Tube is a key component in the fuel delivery system, working seamlessly with fuel plumbing, fuel lines, filters, regulators, injectors, and carburetors to ensure efficient and reliable engine performance. Its role in maintaining a consistent fuel supply is crucial for the operation and efficiency of Cummins engines in heavy-duty applications.


  1. Reif, K. (2015). Gasoline Engine Management Systems and Components. Springer Vieweg.

  2. Calder, N. (2007). Diesel Engine Care and Repair. The McGraw-Hill Companies.

  3. SAE International. (2013). Composite Materials Handbook Volume 4 Metal Matrix Composites. SAE International.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
10.0 x 5.125 x 3.0 in
Weight
0.08 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.