3094261
Injector Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$184.95 $220.09

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 (Part #3094261) is a vital component in the fuel system of heavy-duty trucks. It ensures efficient engine performance by facilitating the delivery of fuel from the fuel tank to the injectors. This component is integral to maintaining the optimal operation of the engine under various conditions.

Basic Concepts of Injector Fuel Supply Tube

The Injector Fuel Supply Tube operates on fundamental principles within the fuel injection system. Its primary function is to deliver fuel to the injectors, ensuring that the engine receives a consistent and precise fuel supply. Maintaining proper fuel pressure and flow is crucial for the efficient operation of the fuel injection system, and this Cummins part plays a significant role in this process 1.

Purpose and Role in Truck Operation

The Injector Fuel Supply Tube serves a critical purpose in the operation of a truck by delivering fuel from the fuel tank to the injectors. This ensures a consistent fuel supply under varying engine loads and conditions, which is essential for the engine’s performance. By providing a reliable fuel delivery system, the tube helps maintain the engine’s efficiency and power output 2.

Key Features

The Cummins Injector Fuel Supply Tube is characterized by its durable construction and precise engineering. These features contribute to its reliability and performance. The tube is designed to be compatible with Cummins engines, ensuring seamless integration and optimal functionality. Its robust build and meticulous design are aimed at withstanding the demanding conditions of heavy-duty truck operations 3.

Benefits

Using the Cummins Injector Fuel Supply Tube offers several benefits. These include improved fuel efficiency, as the tube ensures a consistent and precise fuel delivery to the injectors. Enhanced engine performance is another advantage, as the reliable fuel supply contributes to the engine’s overall efficiency. Additionally, the tube helps in reducing emissions by ensuring that the fuel is delivered in a controlled manner, leading to more complete combustion. Increased durability is also a notable benefit, as the tube is built to withstand the rigors of heavy-duty use 4.

Troubleshooting and Maintenance

Common issues related to the Injector Fuel Supply Tube may include fuel leaks, clogged fuel lines, or inconsistent fuel delivery. To address these problems, it is important to conduct regular inspections and maintenance. This includes checking for any signs of wear or damage, ensuring that the fuel lines are clear of obstructions, and verifying that the fuel pressure is within the specified range. Adhering to recommended maintenance practices will help ensure the optimal performance and longevity of the Injector Fuel Supply Tube .

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, with a strong reputation for innovation and quality. The company has a long history of producing diesel engines and related components, and it is committed to advancing technology in the field. Cummins’ dedication to quality and performance is evident in its wide range of products, including the Injector Fuel Supply Tube, which is designed to meet the high standards of heavy-duty truck applications.

Cummins Injector Fuel Supply Tube (Part 3094261) Compatibility

The Cummins Injector Fuel Supply Tube, identified by part number 3094261, is a critical component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel pump to the injectors, maintaining optimal engine performance.

QST30 CM552 Engines

The Injector Fuel Supply Tube (3094261) is specifically designed to fit seamlessly with the QST30 CM552 engines. These engines are known for their robust construction and reliability, often used in heavy-duty applications. The part’s precision engineering guarantees a secure fit, minimizing the risk of leaks and ensuring consistent fuel delivery.

Group Compatibility

The Injector Fuel Supply Tube (3094261) is compatible with a range of Cummins engines beyond the QST30 CM552. It is engineered to meet the stringent requirements of various engine models, ensuring that it can be used across different applications without compromising performance. This compatibility extends to other models within the Cummins engine family, providing a versatile solution for maintenance and repair needs.

Installation and Maintenance

Proper installation of the Injector Fuel Supply Tube (3094261) is crucial for maintaining engine efficiency. Technicians should follow the manufacturer’s guidelines to ensure the part is correctly aligned and securely fastened. Regular inspection and maintenance of this component can prevent potential issues, such as fuel leaks or injector malfunctions, thereby extending the engine’s lifespan.

Role of Part 3094261 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3094261, is an essential component in the fuel delivery system of an engine. Its primary function is to transport pressurized fuel from the fuel rail to the fuel injectors. This ensures a consistent and reliable supply of fuel, which is necessary for the injectors to atomize the fuel properly before it enters the combustion chamber.

In the context of engine systems, the Injector Fuel Supply Tube works in conjunction with several other components to maintain optimal performance. Here’s how it integrates with the provided components:

Fuel Rail

The fuel rail is a pressurized manifold that distributes fuel to each injector. The Injector Fuel Supply Tube connects directly to the fuel rail, allowing it to deliver fuel under pressure to the injectors. This connection ensures that each injector receives an equal amount of fuel, promoting balanced combustion across all cylinders.

Fuel Injectors

Fuel injectors are responsible for spraying atomized fuel into the intake ports or directly into the combustion chamber. The Injector Fuel Supply Tube provides a direct pathway for fuel to reach these injectors. Its design and material are chosen to withstand high pressures and temperatures, ensuring that fuel delivery remains consistent even under demanding conditions.

Engine Control Unit (ECU)

The ECU monitors various engine parameters and adjusts the fuel delivery accordingly. The Injector Fuel Supply Tube plays a supporting role in this process by ensuring that the fuel injectors receive the correct amount of fuel as commanded by the ECU. This helps in achieving the desired air-fuel ratio, which is essential for efficient combustion and optimal engine performance.

Fuel Pressure Regulator

The fuel pressure regulator maintains a consistent pressure within the fuel rail. The Injector Fuel Supply Tube must be able to handle these pressure fluctuations without leaking or failing. This ensures that the fuel injectors operate within their specified parameters, contributing to smooth engine operation and reliable performance.

Intake Manifold

The intake manifold distributes air to the cylinders. The Injector Fuel Supply Tube indirectly affects the intake manifold by ensuring that the fuel injectors deliver fuel at the right time and in the right amount. This synchronization is vital for achieving a proper air-fuel mixture, which is critical for combustion efficiency and overall engine performance.

Conclusion

In summary, the Injector Fuel Supply Tube (part 3094261) is a key component that facilitates the efficient delivery of fuel from the fuel rail to the injectors. Its reliable performance is integral to the smooth operation of the engine, working in harmony with the fuel rail, fuel injectors, ECU, fuel pressure regulator, and intake manifold to ensure optimal engine performance.


  1. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

  2. Van Gelder, K. T. (2018). Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning.

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

  4. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 4358482.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 1.0 x 1.0 in
Weight
1 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.