3093319
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$359.95 $428.34

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 #3093319, is a critical component in the fuel system of heavy-duty trucks. It facilitates the delivery of fuel from the fuel tank to the injectors, ensuring the engine receives the precise amount of fuel needed for combustion. This component’s significance lies in its contribution to the overall efficiency and performance of the truck’s engine 1.

Basic Concepts

Injector fuel supply tubes are fundamental components within the fuel system of diesel engines. They channel fuel under pressure from the fuel tank to the injectors. The interaction between the fuel supply tube and other components, such as the fuel pump and injectors, is crucial for maintaining the correct fuel pressure and flow rate, ensuring optimal combustion and engine performance 2.

Purpose and Role

The Cummins Injector Fuel Supply Tube (Part #3093319) ensures efficient fuel delivery in a truck’s engine. It maintains consistent fuel pressure and flow, which are vital for the injectors to operate correctly. This component helps achieve efficient combustion, which is key to the engine’s power output and fuel efficiency 3.

Key Features

This Cummins part is designed with specific features that enhance its performance and durability. It is constructed from high-quality materials resistant to the corrosive effects of diesel fuel. The design of the tube ensures it can withstand the high pressures within the fuel system, while its precise engineering allows for optimal fuel flow. These characteristics contribute to the tube’s reliability and longevity in demanding operating conditions.

Benefits

Utilizing the Cummins Injector Fuel Supply Tube offers several benefits. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the injectors with minimal loss or leakage. This results in more efficient combustion and reduced fuel consumption. Additionally, the tube’s design and materials enhance engine performance by maintaining consistent fuel pressure and flow. Its reliability in demanding conditions ensures that the engine operates smoothly and efficiently, even under heavy loads or in harsh environments.

Installation and Compatibility

Proper installation of the Cummins Injector Fuel Supply Tube is important for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines to ensure compatibility with the specific engine model and configuration. Attention to detail during installation helps prevent issues such as fuel leaks or improper fuel delivery, which could affect engine performance.

Maintenance and Troubleshooting

Regular maintenance of the Cummins Injector Fuel Supply Tube is important for ensuring its optimal performance and longevity. This includes checking for signs of wear or damage, ensuring proper connections, and replacing the tube if necessary. Troubleshooting common issues, such as fuel leaks or inconsistent fuel delivery, may involve inspecting the tube for blockages or damage and ensuring that it is properly installed and connected.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a commitment to quality, Cummins has established a reputation for manufacturing reliable and high-performance automotive components. The company’s focus on research and development ensures that its products meet the evolving needs of the industry and contribute to the efficiency and performance of heavy-duty trucks.

Cummins Injector Fuel Supply Tube 3093319 Compatibility

The Cummins Injector Fuel Supply Tube part number 3093319 is designed to fit seamlessly with several engine models, ensuring optimal fuel delivery and engine performance. This part is integral to the fuel injection system, facilitating the transfer of fuel from the fuel supply line to the injectors.

QST30 CM552 Engines

The Injector Fuel Supply Tube 3093319 is specifically engineered to fit the QST30 CM552 engines. These engines are known for their robust construction and reliability, often used in heavy-duty applications. The precise fitment of this part ensures that the fuel supply remains uninterrupted, which is crucial for maintaining engine efficiency and performance.

Other Cummins Engines

While the primary focus here is on the QST30 CM552 engines, it is worth noting that the Injector Fuel Supply Tube 3093319 may also be compatible with other Cummins engine models. Cummins engines are renowned for their durability and performance, and this part is designed to meet the stringent requirements of these engines. The compatibility extends to various models where similar fuel supply systems are utilized, ensuring that the part can be used across different engine types without compromising on performance.

The design and material of the Injector Fuel Supply Tube 3093319 are critical for its function. It is made from high-quality materials that can withstand the high pressures and temperatures associated with fuel systems in heavy-duty engines. This ensures longevity and reliability, making it a preferred choice for both original equipment manufacturers (OEM) and aftermarket applications.

By ensuring a proper fit and function, the Injector Fuel Supply Tube 3093319 plays a vital role in the overall efficiency and performance of Cummins engines. Its compatibility with the QST30 CM552 engines and potentially other models underscores its versatility and importance in maintaining the integrity of the fuel delivery system.

Role of Part 3093319 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3093319, is an integral component in the fuel delivery system of various engine configurations. This tube facilitates the precise delivery of fuel from the fuel rail to the injectors, ensuring that each cylinder receives the correct amount of fuel for optimal combustion.

In conjunction with the fuel injectors, the Injector Fuel Supply Tube plays a significant role in maintaining the performance and efficiency of the engine. It ensures a consistent fuel supply, which is essential for stable engine operation under varying load conditions. The tube’s design allows for minimal fuel leakage and maximum flow efficiency, contributing to the overall reliability of the fuel system.

When integrated with the fuel rail, the Injector Fuel Supply Tube helps in maintaining uniform fuel pressure across all injectors. This uniformity is vital for balanced fuel distribution, which directly impacts engine performance, emissions, and fuel economy.

Additionally, the tube interacts with the engine control unit (ECU) through the fuel injectors. The ECU monitors and adjusts the fuel delivery based on real-time data, ensuring that the engine operates within specified parameters for performance and emissions.

In summary, the Injector Fuel Supply Tube (part 3093319) is a key component that enhances the functionality and performance of the fuel delivery system, working in harmony with other engine components to achieve optimal engine performance.

Conclusion

The Cummins Injector Fuel Supply Tube (Part #3093319) is a vital component in the fuel system of heavy-duty trucks, ensuring efficient fuel delivery and contributing to the engine’s performance and efficiency. Its design, materials, and compatibility with various Cummins engine models make it a reliable and essential part for maintaining the integrity of the fuel delivery system.


  1. Hick, Hannes, Klaus Kupper, and Helfried Sorger. Systems Engineering for Automotive Powertrain Development. Springer, 2021.

  2. Wright, Gus. Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning, 2015.

  3. Hilgers, Michael. Electrical Systems and Mechatronics, Second Edition. Springer Vieweg, 2023.

SPECIFICATIONS

Notes
Left Bank 6
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
16.0 x 9.5 x 0.5 in
Weight
0.47 lb
* 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.