4941158
Injector Fuel Supply Tube
Cummins®

Introduction

The 4941158 Fuel Injector Supply Tube is a component designed for use in Cummins engines, specifically tailored for heavy-duty truck applications. Its purpose is to facilitate the efficient delivery of fuel from the fuel rail to the injectors, ensuring that the engine operates smoothly and effectively. The significance of this part lies in its role in maintaining the precise fuel distribution required for optimal engine performance ¹.

Basic Concepts of Fuel Injector Supply Tubes

A Fuel Injector Supply Tube is an integral part of the fuel system in diesel engines. Its primary function is to transport fuel under pressure from the fuel rail to the individual injectors. This ensures that each injector receives a consistent and adequate supply of fuel, which is crucial for the combustion process. The performance of the engine is directly influenced by the efficiency of this fuel delivery system, as it affects both power output and fuel economy ².

Role of the 4941158 Fuel Injector Supply Tube in Truck Operation

In the context of Cummins engines, the 4941158 Fuel Injector Supply Tube plays a specific role in the fuel delivery system. It ensures that fuel is distributed evenly to all injectors, which is vital for maintaining engine balance and performance. By providing a reliable pathway for fuel, this component helps in achieving the precise fuel injection timing and quantity necessary for efficient combustion ³.

Key Features of the 4941158 Fuel Injector Supply Tube

The 4941158 Fuel Injector Supply Tube is engineered with several features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to the high pressures and temperatures within the fuel system. The design includes precise fittings and connections to ensure a secure and leak-free installation. Additionally, the tube may incorporate features such as reinforced sections to withstand the rigors of heavy-duty use.

Benefits of Using the 4941158 Fuel Injector Supply Tube

Utilizing the 4941158 Fuel Injector Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered consistently and without loss. This consistent fuel delivery also enhances engine performance, allowing for smoother operation and better power output. Furthermore, the robust construction of the tube ensures reliability, even under demanding conditions typical of heavy-duty truck applications.

Installation and Compatibility

Proper installation of the 4941158 Fuel Injector Supply Tube is crucial for its effective operation. It is designed to fit specific Cummins engine models, and installation procedures may vary slightly depending on the truck and engine type. It is important to follow manufacturer guidelines to ensure that the tube is correctly positioned and secured, which helps in preventing leaks and ensuring optimal performance.

Troubleshooting Common Issues

Common issues with the 4941158 Fuel Injector Supply Tube may include leaks, blockages, or performance inconsistencies. Identifying these problems often involves inspecting the tube for signs of wear or damage and checking the connections for tightness. Addressing these issues promptly can help in maintaining the efficiency and reliability of the fuel delivery system.

Maintenance Tips

Regular maintenance of the 4941158 Fuel Injector Supply Tube is important for its longevity and performance. This includes periodic inspections for signs of wear or damage, ensuring that all connections are secure, and cleaning the tube as necessary to prevent blockages. Adhering to recommended maintenance schedules can help in identifying potential issues before they become significant problems.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality engine components. With a history of innovation and commitment to excellence, Cummins has built a reputation for producing reliable and efficient engine parts. The company’s dedication to quality is evident in its range of products, including the 4941158 Fuel Injector Supply Tube, which is designed to meet the demanding requirements of heavy-duty truck engines.

Cummins Fuel Injector Supply Tube Part 4941158 Compatibility

The Cummins part number 4941158, identified as a Fuel Injector Supply Tube, is designed to fit seamlessly within specific Cummins engine models. This part is integral to the engine’s fuel delivery system, ensuring that fuel is efficiently and accurately supplied to the injectors.

Engine Compatibility

• QSB3.3 CM2150: This part is specifically engineered to integrate with the QSB3.3 CM2150 engine. The supply tube is crucial for maintaining the correct fuel pressure and flow, which is essential for the engine’s performance and efficiency.

The Fuel Injector Supply Tube part 4941158 is crafted to meet the stringent requirements of Cummins engines, ensuring durability and reliability. Its design allows for precise fuel delivery, which is critical for the engine’s operation.

When replacing or servicing the fuel system in these engines, it is imperative to use the correct part to maintain the engine’s performance and longevity.

Role of Part 4941158 Fuel Injector Supply Tube in Engine Systems

The part 4941158 Fuel Injector Supply Tube is an essential component in the fuel delivery system of an engine. It facilitates the precise delivery of fuel from the fuel rail to the fuel injectors, ensuring that each cylinder receives the correct amount of fuel for optimal combustion.

In conjunction with the Connecting Rod and Piston, the Fuel Injector Supply Tube plays a significant role in the overall efficiency and performance of the engine. The Connecting Rod transfers the linear motion of the Piston to the rotational motion of the crankshaft. This motion is dependent on the combustion process, which is initiated by the fuel delivered through the Fuel Injector Supply Tube.

The precise fuel delivery ensures that the air-fuel mixture is optimal, leading to efficient combustion. This, in turn, maximizes the force exerted on the Piston, enhancing the power output and efficiency of the engine. The consistent and reliable fuel supply provided by the Fuel Injector Supply Tube is therefore integral to the smooth operation and performance of the engine components, including the Connecting Rod and Piston.

Conclusion

The 4941158 Fuel Injector Supply Tube by Cummins is a critical component in the fuel delivery system of heavy-duty truck engines. Its role in ensuring precise fuel distribution, combined with its robust construction and compatibility with specific Cummins engine models, makes it an essential part for maintaining engine performance and efficiency. Regular maintenance and proper installation are key to maximizing the benefits of this component.