4995464
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, identified by part number 4995464, is a critical component in the fuel system of heavy-duty trucks. Manufactured by Cummins Inc., a leader in the automotive and heavy-duty truck parts industry, this part ensures the efficient and reliable delivery of fuel to the injectors. Its role in maintaining the performance and efficiency of the engine underscores its significance within the fuel system.

Basic Concepts

Injector fuel supply tubes are components within the fuel injection system that facilitate the delivery of fuel from the fuel tank to the injectors. These tubes operate under precise pressure and timing, ensuring that fuel is delivered efficiently to the combustion chamber. They interact closely with other components such as the fuel pump, fuel filter, and injectors, playing a vital role in the overall functionality of the fuel system ¹.

Purpose and Role

The Cummins Injector Fuel Supply Tube (Part #4995464) is designed to deliver fuel to the injectors under specific pressure and timing conditions. This ensures that the fuel is atomized correctly within the combustion chamber, contributing to efficient combustion and optimal engine performance. The tube’s role in maintaining the integrity of the fuel delivery system is essential for the overall operation of the truck ².

Key Features

The Cummins Injector Fuel Supply Tube is characterized by its robust design and the use of high-quality materials, which enhance its performance and durability. The tube is engineered to withstand the high pressures and temperatures within the fuel system, ensuring reliable operation under demanding conditions. Its design also includes features that facilitate easy installation and maintenance, contributing to its overall effectiveness.

Benefits

Utilizing the Cummins Injector Fuel Supply Tube offers several advantages, including improved fuel efficiency, enhanced engine performance, and increased reliability. The precise delivery of fuel to the injectors ensures optimal combustion, which can lead to better fuel economy and reduced emissions. Additionally, the tube’s durable construction and reliable performance contribute to the overall longevity and efficiency of the engine ³.

Installation and Compatibility

Proper installation of the Cummins Injector Fuel Supply Tube is crucial for ensuring its optimal performance and compatibility with various Cummins engine models. Installation procedures should follow manufacturer guidelines to ensure that the tube is securely fitted and functions correctly within the fuel system. Compatibility with specific engine models should be verified to ensure seamless integration and operation.

Maintenance and Troubleshooting

Regular maintenance of the Cummins Injector Fuel Supply Tube is important for ensuring its continued performance and longevity. This includes checking for leaks, ensuring proper connections, and inspecting the tube for signs of wear or damage. Troubleshooting common issues, such as fuel delivery problems or leaks, can often be addressed through careful inspection and following recommended maintenance practices.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive and heavy-duty truck parts industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation for excellence. The company’s dedication to manufacturing superior parts, including the Cummins Injector Fuel Supply Tube, reflects its ongoing commitment to enhancing the performance and efficiency of heavy-duty trucks.

Cummins Injector Fuel Supply Tube (Part 4995464) Compatibility

The Cummins Injector Fuel Supply Tube, identified by the part number 4995464, 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 supply system to the injectors, which is essential for the proper operation of the engine.

B3.3 Engine Series

In the B3.3 engine series, the Injector Fuel Supply Tube (4995464) is designed to fit seamlessly within the engine’s architecture. This part is engineered to withstand the high pressures and temperatures typical of diesel engines, ensuring durability and longevity. The tube’s precise fit and robust construction are crucial for maintaining the integrity of the fuel delivery system, which directly impacts engine performance and efficiency.

Group Compatibility

The Injector Fuel Supply Tube (4995464) is not limited to a single engine model but is compatible with a range of Cummins engines within the B3.3 series. This compatibility is achieved through meticulous design and manufacturing processes that adhere to strict industry standards. The tube’s design ensures it can be integrated into various engine configurations, providing a standardized solution for multiple engine models.

The compatibility of the Injector Fuel Supply Tube (4995464) across different B3.3 engines underscores its versatility and importance in the engine’s fuel delivery system. This part’s ability to fit multiple engine models without modification highlights its universal design and the high level of precision Cummins employs in its manufacturing processes.

Role of Part 4995464 Injector Fuel Supply Tube in Engine Systems

The 4995464 Injector Fuel 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 part ensures a consistent and reliable fuel supply, which is fundamental for the injectors to atomize fuel effectively into the combustion chamber.

In conjunction with the fuel rail, the Injector Fuel Supply Tube maintains fuel pressure across all injectors, promoting uniform fuel distribution. This uniformity is vital for balanced engine performance and efficient combustion. The tube interfaces directly with the injectors, which are precision components designed to deliver fuel in a finely atomized spray. This atomization is necessary for optimal air-fuel mixture, which directly influences engine power, efficiency, and emissions.

Furthermore, the Injector Fuel Supply Tube works in harmony with the engine control unit (ECU), which monitors and adjusts fuel delivery based on driving conditions. The ECU relies on feedback from various sensors, including the mass airflow sensor and oxygen sensors, to make real-time adjustments. Consistent fuel pressure supplied by the tube ensures that the ECU can make accurate adjustments, enhancing overall engine performance.

In high-performance applications, the Injector Fuel Supply Tube must be capable of handling increased fuel flow rates and higher pressures. Performance parts often require upgrades to the fuel system to match the demands of modified engines. The tube must be durable and resistant to fuel degradation to maintain integrity under these conditions.

Ultimately, the 4995464 Injector Fuel Supply Tube plays a significant role in ensuring that the fuel system operates efficiently, supporting both standard and performance-oriented engine configurations.

Conclusion

The Cummins Injector Fuel Supply Tube (Part #4995464) is a vital component in the fuel delivery system of heavy-duty trucks. Its robust design, compatibility with various Cummins engines, and role in ensuring efficient fuel delivery contribute to enhanced engine performance, fuel efficiency, and reliability. Proper installation, maintenance, and understanding of its function are essential for maximizing the benefits of this Cummins part.