3944783
Fuel Supply Tube
Cummins®

The Fuel Supply Tube 3944783, manufactured by Cummins, is a vital component in the fuel system of heavy-duty trucks. This part ensures the efficient performance of the engine by facilitating the transport of fuel from the tank to the engine. Fuel supply components are integral to maintaining the engine’s performance and reliability, making the Fuel Supply Tube 3944783 an important element in the overall fuel delivery system ¹.

Function and Operation

The Fuel Supply Tube 3944783 operates by transporting fuel from the tank to the engine, ensuring a consistent and reliable fuel supply. This tube is designed to handle the demands of heavy-duty applications, providing a seamless connection that supports the engine’s fuel requirements. Its operation is straightforward yet crucial for maintaining the engine’s performance under various operating conditions ².

Key Features

The Fuel Supply Tube 3944783 boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that resist corrosion and wear, ensuring longevity in demanding environments. The design includes precise fittings and connections that minimize the risk of leaks and ensure a secure fit within the fuel system. Additionally, the tube’s robust construction allows it to withstand high pressure and temperature fluctuations, making it suitable for heavy-duty applications ³.

Benefits

The advantages provided by the Fuel Supply Tube 3944783 include improved fuel efficiency, reduced risk of fuel leaks, and enhanced overall engine performance. By ensuring a consistent fuel supply, this component contributes to the reliability and longevity of the truck’s fuel system. The high-quality materials and precise engineering also help in minimizing maintenance needs and extending the service life of the fuel system components ⁴.

Installation and Compatibility

Proper installation of the Fuel Supply Tube 3944783 is important for ensuring its optimal performance. This involves using the necessary tools and following specific procedures to secure the tube within the fuel system. Compatibility with various Cummins engine models and other relevant truck systems is ensured through rigorous testing and design standards, making it a versatile component for many heavy-duty applications ¹.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the Fuel Supply Tube 3944783. This includes periodic inspections for signs of wear or damage, ensuring all connections are secure, and addressing any issues promptly. Common problems such as fuel leaks or blockages can often be resolved through routine checks and timely replacements of worn components ².

Safety Considerations

When handling and working with the Fuel Supply Tube 3944783, it is important to observe safety guidelines and precautions. Potential hazards associated with fuel system components include the risk of fuel leaks and the presence of flammable materials. Mitigating these risks involves working in a well-ventilated area, using appropriate personal protective equipment, and following all safety protocols during installation and maintenance procedures ³.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive and heavy-duty truck industry, with a rich history of innovation and quality. The company offers a wide range of products designed to meet the demands of various applications. Cummins’ commitment to quality and innovation is evident in their manufacturing processes and the performance of their components, including the Fuel Supply Tube 3944783 ⁴.

Cummins Engine Compatibility with Fuel Supply Tube Part 3944783

The Cummins part 3944783, a Fuel Supply Tube, is designed to be compatible with several models within the Cummins engine lineup. This part is integral to the proper functioning of the fuel system, ensuring efficient fuel delivery to the engine components.

ISB CM550

The ISB CM550 engine is one of the models that can utilize the Fuel Supply Tube part 3944783. This engine is known for its robust performance and reliability, making it a popular choice in various applications.

QSB5.9 44 CM550

Similarly, the QSB5.9 44 CM550 engine is also compatible with the Fuel Supply Tube part 3944783. This engine variant is engineered to deliver high power output and efficiency, suitable for demanding industrial and commercial uses.

Grouping of Compatible Engines

Both the ISB CM550 and QSB5.9 44 CM550 engines share a common design philosophy and engineering principles, which allows the Fuel Supply Tube part 3944783 to fit seamlessly into their fuel systems. This compatibility ensures that maintenance and repair processes are streamlined, providing ease of use for technicians and operators alike ¹.

Role of Part 3944783 Fuel Supply Tube in Engine Systems

The 3944783 Fuel Supply Tube is an integral component in the fuel delivery system of an engine, ensuring a consistent and reliable supply of fuel from the fuel tank to the engine’s fuel injectors or carburetor. This tube is part of the overall plumbing system that manages the flow of fuel, playing a significant role in maintaining engine performance and efficiency ².

Integration with Plumbing System

In the context of the engine’s plumbing system, the 3944783 Fuel Supply Tube acts as a conduit that connects various fuel system components. It is responsible for transporting fuel under pressure from the fuel pump to the fuel filter and subsequently to the fuel injectors or carburetor. The tube must be securely fitted to prevent leaks and ensure that fuel is delivered without interruption. Its design allows it to withstand the pressures and temperatures within the fuel system, contributing to the overall reliability of the fuel delivery process ³.

Interaction with Fuel Filter

The Fuel Supply Tube also plays a key role in the filtration process. As fuel travels through the tube, it eventually reaches the fuel filter. The filter’s job is to remove impurities and contaminants from the fuel before it reaches the engine’s combustion chambers. The tube must be properly aligned with the fuel filter to ensure that fuel flows smoothly and that the filter can effectively perform its function. Any obstruction or misalignment in the tube can lead to reduced fuel flow, potentially causing engine performance issues ⁴.

Conclusion

In summary, the 3944783 Fuel Supply Tube is a vital link in the fuel delivery chain, ensuring that fuel is efficiently transported from the tank to the engine components that require it. Its proper installation and maintenance are essential for the engine’s optimal operation.