4941157
Injector Fuel Supply Tube
Cummins®

Introduction

The Fuel Injector Supply Tube, specifically Part #4941157 by Cummins, is a vital component in the fuel delivery system of heavy-duty trucks. Cummins, a renowned manufacturer in the diesel engine industry, produces this part to ensure efficient and reliable fuel delivery. This component is integral to the overall performance and efficiency of the truck’s engine.

Basic Concepts of Fuel Injector Supply Tube

The Fuel Injector Supply Tube operates on fundamental principles that facilitate the delivery of fuel from the tank to the injectors. It serves as a conduit, ensuring that fuel is transported under the correct pressure and at the right time to the injectors. This precise delivery is essential for the engine’s combustion process, directly influencing the truck’s performance and efficiency ¹.

Purpose and Function

This Cummins part plays a significant role in the operation of a truck by facilitating the delivery of fuel to the injectors. It ensures that fuel is supplied under precise pressure and timing, which is essential for the efficient combustion process within the engine. This component helps maintain the engine’s performance by ensuring consistent fuel delivery.

Key Features

The Fuel Injector Supply Tube is characterized by several key features that enhance its durability and efficiency. It is constructed from high-quality materials that resist wear and corrosion, ensuring longevity. The design includes elements that improve fuel flow and reduce the risk of leaks, contributing to the overall reliability of the fuel delivery system. Additionally, this tube may feature unique characteristics that distinguish it from other components, such as specific connectors or fittings that ensure a secure and efficient connection within the fuel system.

Benefits

The advantages of using the Fuel Injector Supply Tube include improved fuel delivery efficiency, which directly contributes to enhanced engine performance. By ensuring consistent and precise fuel delivery, this component can potentially improve fuel economy and reduce emissions. These benefits are particularly important in heavy-duty trucks, where efficiency and performance are critical ².

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube is vital to ensure it functions correctly within the truck’s fuel system. Installation procedures should follow manufacturer guidelines to avoid issues such as leaks or improper fuel delivery. It is also important to verify compatibility with the truck’s existing fuel system to ensure seamless integration and optimal performance.

Maintenance and Troubleshooting

Maintaining the Fuel Injector Supply Tube is crucial for ensuring its optimal performance. Regular inspection intervals should be observed to check for signs of wear or damage. Cleaning procedures may be necessary to remove any buildup that could affect fuel flow. Common issues such as leaks or blockages can often be addressed through proper maintenance and troubleshooting techniques, which may include checking connections, replacing worn parts, or cleaning the tube.

Safety Considerations

When working with the Fuel Injector Supply Tube, it is important to observe safety protocols and precautions. This includes proper handling of fuel to prevent spills and fires, as well as adherence to manufacturer guidelines for installation and maintenance. Safety equipment should be used as necessary to protect against potential hazards associated with fuel systems.

Cummins Overview

Cummins Inc. is a leading manufacturer in the diesel engine industry, with a history of innovation and quality. The company’s expertise in engine manufacturing extends to a wide range of components, including the Fuel Injector Supply Tube. Cummins is committed to delivering high-quality products that meet the demanding requirements of heavy-duty applications, ensuring reliability and performance in the automotive industry.

Cummins Fuel Injector Supply Tube (Part 4941157) Compatibility

The Cummins Fuel Injector Supply Tube, part number 4941157, is a critical component in the fuel delivery system of certain Cummins engines. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel pump to the fuel injectors.

Engine Compatibility

• QSB3.3 CM2150

  • The QSB3.3 CM2150 engine is part of the Cummins QSB series, which is known for its robust performance and reliability in various applications. The Fuel Injector Supply Tube (4941157) is specifically engineered to fit seamlessly within the fuel system architecture of the QSB3.3 CM2150, ensuring optimal fuel flow and pressure.

• QSB6.7 CM2350

  • Similarly, the QSB6.7 CM2350 engine benefits from the precise engineering of the Fuel Injector Supply Tube (4941157). This part is designed to integrate smoothly into the fuel delivery system, providing the necessary durability and performance for the demanding conditions these engines often encounter.

• QSC6.7 CM2300

  • The QSC6.7 CM2300 engine also utilizes the Fuel Injector Supply Tube (4941157). This part is crucial for maintaining the integrity of the fuel system, ensuring that fuel is delivered to the injectors at the correct pressure and flow rate, which is essential for the engine’s performance and longevity.

• QSK19 CM2350

  • The QSK19 CM2350 engine is another model that is compatible with the Fuel Injector Supply Tube (4941157). This part is engineered to withstand the high-stress environments typical of industrial and heavy-duty applications, ensuring that the engine operates smoothly and efficiently.

• QSK23 CM2350

  • The QSK23 CM2350 engine also relies on the Fuel Injector Supply Tube (4941157) for its fuel delivery system. This part is designed to provide a reliable connection between the fuel pump and the fuel injectors, ensuring that the engine receives the fuel it needs to perform at its best.

By ensuring that the Fuel Injector Supply Tube (4941157) is correctly installed and maintained, engine owners can help to prolong the life of their engines and ensure that they operate at peak efficiency.

Role of Part 4941157 Fuel Injector Supply Tube in Engine Systems

The Fuel Injector Supply Tube is an essential component in the fuel delivery system of an engine. It is responsible for transporting pressurized fuel from the fuel rail to the fuel injectors. This ensures that each cylinder receives a precise amount of fuel for combustion.

Interaction with Fuel Rail and Injectors

The Fuel Injector Supply Tube connects the fuel rail to the individual fuel injectors. The fuel rail is a pressurized conduit that distributes fuel to each injector. The tube ensures a consistent and uninterrupted flow of fuel, which is vital for the injectors to operate efficiently. Each injector sprays fuel into the combustion chamber at the precise moment required by the engine control unit (ECU).

Coordination with Connecting Rod and Piston

Once the fuel is injected into the combustion chamber, it mixes with air and is ignited by the spark plug. The resulting explosion forces the piston downward. The connecting rod translates this linear motion of the piston into rotational motion of the crankshaft, which ultimately drives the vehicle.

Importance in Fuel Efficiency and Performance

The precise delivery of fuel by the Fuel Injector Supply Tube directly impacts the engine’s fuel efficiency and performance. Inefficient fuel delivery can lead to poor combustion, reduced power output, and increased emissions. Therefore, the Fuel Injector Supply Tube plays a significant role in maintaining the overall health and performance of the engine.

Integration with Engine Control Unit (ECU)

The ECU monitors various parameters such as engine speed, load, and air-fuel ratio to determine the precise amount of fuel needed. It sends signals to the fuel injectors via the Fuel Injector Supply Tube to ensure optimal fuel delivery. This integration ensures that the engine operates within its designed parameters, enhancing both performance and efficiency.

Conclusion

The Fuel Injector Supply Tube (Part #4941157) by Cummins is a critical component in the fuel delivery system of heavy-duty trucks. Its role in ensuring precise fuel delivery directly impacts engine performance, efficiency, and emissions. Proper installation, maintenance, and understanding of its function are essential for maximizing the benefits of this component in heavy-duty applications.