5481947
Injector Fuel Supply Tube
Cummins®

Introduction

The Fuel Injector Supply Tube (5481947) by Cummins is a component designed to facilitate the efficient delivery of fuel to the injectors in commercial trucks. This part is integral to the fuel system, ensuring that the engine receives a consistent and precise amount of fuel, which is vital for optimal performance and efficiency. The significance of this Cummins part lies in its role in maintaining the engine’s operational integrity under various driving conditions ¹.

Basic Concepts of Fuel Injector Supply Tubes

A Fuel Injector Supply Tube is a conduit within the fuel system that transports fuel from the fuel rail to the injectors. Its function is to provide a direct and unobstructed pathway for fuel, ensuring that each injector receives the necessary amount at the correct pressure. This component is essential for the synchronization of fuel delivery, which directly impacts the engine’s combustion process and overall performance ².

Purpose and Function of the Fuel Injector Supply Tube

The Fuel Injector Supply Tube is specifically engineered to enhance the fuel delivery system in Cummins engines. It plays a role in ensuring that fuel is delivered to the injectors with minimal resistance and at the precise pressure required for efficient combustion. This contributes to the engine’s performance by supporting consistent fuel atomization and distribution, which are key factors in achieving optimal power output and fuel efficiency ³.

Key Features of the Fuel Injector Supply Tube

The Fuel Injector Supply Tube is constructed with high-quality materials that are resistant to the corrosive effects of fuel and the high pressures within the fuel system. Its design includes precise engineering to ensure a secure fit within the fuel system, minimizing the risk of leaks. The tube’s durability is enhanced by its robust construction, which is capable of withstanding the demanding conditions encountered in commercial truck operations.

Benefits of Using the Fuel Injector Supply Tube

Utilizing the Fuel Injector Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the injectors with minimal loss or restriction. This precise fuel delivery supports enhanced engine performance, allowing for more consistent power output and smoother operation. Additionally, the tube’s reliability under demanding conditions ensures that the engine can operate efficiently over a wide range of applications.

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube is crucial for its effective operation. It is designed to be compatible with specific Cummins engine models, ensuring a seamless integration into the fuel system. Installation procedures should follow manufacturer guidelines to maintain the integrity of the fuel system and ensure optimal performance.

Maintenance and Troubleshooting

Routine maintenance of the Fuel Injector Supply Tube is important for ensuring its continued performance. This includes regular inspections for signs of wear, corrosion, or damage. Troubleshooting common issues, such as leaks or blockages, involves checking the tube’s connections and ensuring that it is free from obstructions. Addressing these issues promptly can prevent more significant problems within the fuel system.

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 has established a strong reputation in the commercial truck industry. The company’s commitment to advancing technology and delivering reliable products is evident in its wide range of engine offerings, which are designed to meet the demanding requirements of commercial applications.

Compatibility with Cummins Engines

The Fuel Injector Supply Tube is designed to fit several Cummins engine models, including:

• ISC CM2150
• ISC8.3 CM2250
• ISL CM2150
• ISL9 CM2250
• QSC9 CM2250
• QSL9 CM2250
• QSL9 CM2250 L102
• QSL9 CM2350 L102

These engines are part of Cummins’ lineup of industrial and on-highway engines, known for their durability and efficiency. The Fuel Injector Supply Tube is engineered to meet the specific requirements of these engines, ensuring a secure and reliable connection between the fuel supply system and the injectors.

Importance of the Fuel Injector Supply Tube

The Fuel Injector Supply Tube plays a crucial role in the overall performance of the engine. By providing a stable and leak-free connection, it helps maintain the correct fuel pressure and flow, which is vital for the engine’s combustion process. This part is subject to wear and tear, and its integrity is essential for preventing fuel leaks and ensuring that the engine runs at peak efficiency.

Installation and Maintenance

Proper installation of the Fuel Injector Supply Tube is critical. It should be securely attached to both the fuel supply line and the fuel injectors to prevent any disconnections or leaks. Regular maintenance and inspection of this part are recommended to ensure it remains in good condition and continues to perform its function effectively.

Role of the Fuel Injector Supply Tube in Engine Systems

The Fuel Injector Supply Tube is an integral component within the fuel delivery system of modern engines, particularly within the XPI JV System utilized by Cummins MR engines. This component ensures the seamless transfer of fuel from the high-pressure pump to the individual fuel injectors.

Integration with Injector Plumbing

In the context of injector plumbing, the supply tube acts as a conduit that carries pressurized fuel. It interfaces directly with the fuel rail, which distributes fuel to each injector. The precise engineering of this tube ensures minimal fuel leakage and consistent fuel pressure, which is essential for the injectors to operate efficiently.

Function within Injector Supply Plumbing

As part of the injector supply plumbing, the tube plays a significant role in maintaining the integrity of the fuel supply line. It is designed to withstand high pressures and temperatures, ensuring that fuel is delivered reliably under all operating conditions. The tube’s material and construction are chosen to resist corrosion and wear, prolonging the system’s service life.

Compatibility with XPI JV System Cummins MR

In the XPI JV System for Cummins MR engines, the fuel injector supply tube is a key element that contributes to the system’s high-pressure fuel delivery. This system relies on precise fuel metering to achieve optimal combustion efficiency and emissions control. The supply tube’s role is to provide a consistent and uninterrupted fuel path, supporting the system’s demand for high precision in fuel delivery.

The tube’s design also facilitates easy maintenance and replacement, which is a practical consideration for engineers and mechanics working on these engines. Its integration into the fuel system is a testament to the importance of reliable fuel delivery in achieving engine performance and durability.

Conclusion

The Fuel Injector Supply Tube (5481947) by Cummins is a critical component in the fuel delivery system of commercial trucks. Its role in ensuring consistent and precise fuel delivery to the injectors is vital for maintaining optimal engine performance and efficiency. Proper installation, maintenance, and understanding of its compatibility with various Cummins engine models are essential for ensuring the continued reliability and performance of the engine.