4935139
Fuel Supply Tube
Cummins®

The Cummins 4935139 Fuel Supply Line is a component designed for use in commercial trucks equipped with Cummins engines. This part facilitates the transfer of fuel from the tank to the engine, playing a significant role in the vehicle’s operation. Understanding its function and significance can help maintain the efficiency and reliability of the truck’s engine system.

Basic Concepts of Fuel Supply Lines

A fuel supply line is a conduit that transports fuel from the storage tank to the engine. Within the fuel system, it ensures a consistent and reliable flow of fuel, which is vital for the engine’s combustion process and overall performance. The efficiency of the fuel supply line directly influences the engine’s power output and fuel consumption ¹.

Purpose of the Cummins 4935139 Fuel Supply Line

The Cummins 4935139 Fuel Supply Line is engineered to deliver fuel efficiently from the tank to the engine. It is designed to withstand the pressures and temperatures within the fuel system, ensuring a steady supply of fuel that meets the engine’s demands. This component is integral to maintaining the engine’s performance and ensuring that the truck operates smoothly ².

Key Features

The Cummins 4935139 Fuel Supply Line is constructed from durable materials that resist corrosion and wear, ensuring longevity and reliability. Its design includes features that enhance fuel flow and reduce the risk of leaks. The line is also engineered to be compatible with specific Cummins engine models, ensuring optimal performance and integration within the fuel system ³.

Benefits of Using the Cummins 4935139 Fuel Supply Line

Utilizing the Cummins 4935139 Fuel Supply Line offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and reliable fuel supply. The line’s robust construction and design enhance the reliability of the fuel system, reducing the likelihood of failures. Additionally, its compatibility with Cummins engines ensures seamless integration and performance ⁴.

Installation Considerations

Proper installation of the Cummins 4935139 Fuel Supply Line is crucial for ensuring optimal performance and safety. It is important to follow manufacturer guidelines for installation, including securing the line properly and ensuring all connections are tight to prevent leaks. Careful attention to these details will help maintain the integrity of the fuel system.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4935139 Fuel Supply Line is recommended to ensure its continued performance. This includes periodic inspections for signs of wear, corrosion, or leaks. Common issues may include blockages or damage to the line, which can be addressed by cleaning or replacing the affected section. Troubleshooting should be conducted according to manufacturer recommendations to ensure safety and effectiveness.

Safety Precautions

When working with the Cummins 4935139 Fuel Supply Line, it is important to observe safety precautions to minimize risks. This includes proper handling of the line to avoid damage, secure storage to prevent accidents, and adherence to disposal procedures for old or damaged lines. Compliance with safety regulations is also crucial to ensure a safe working environment.

Cummins 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 product offerings include a wide range of engines and components designed to meet the demanding requirements of commercial applications.

Cummins Fuel Supply Line Part 4935139 Compatibility

The Cummins part number 4935139, which is a Fuel Supply Line, is designed to fit seamlessly with several engine models. This part is integral to the proper functioning of the engine’s fuel system, ensuring that fuel is delivered efficiently and safely from the fuel tank to the engine.

QSC8.3 CM850 (CM2850)

The Cummins QSC8.3 CM850 (CM2850) engine is one of the models that this fuel supply line is compatible with. This engine is known for its robust performance and reliability, making it a popular choice in various applications. The part 4935139 ensures that the fuel supply to this engine remains uninterrupted, contributing to its overall efficiency and longevity.

Grouping of Compatible Engines

While the primary focus here is on the QSC8.3 CM850 (CM2850), it is important to note that the Cummins part 4935139 is also compatible with other similar engine models within the Cummins engine family. These engines share common design elements and specifications, which allows the fuel supply line to fit and function effectively across multiple models. This compatibility ensures that users can maintain their engines with confidence, knowing that the part is designed to meet the specific needs of these engines.

Role of Part 4935139 Fuel Supply Line in Engine Systems

The 4935139 Fuel Supply Line is integral to the efficient operation of several engine components, ensuring a seamless flow of fuel throughout the system.

Interaction with the Fuel Transfer Pump

The Fuel Supply Line interfaces directly with the Fuel Transfer Pump, facilitating the movement of fuel from the tank to the engine. This line is responsible for maintaining consistent fuel pressure, which is essential for the pump’s operation. The Fuel Transfer Pump relies on the Fuel Supply Line to deliver fuel at the correct pressure and volume, ensuring the pump can effectively transfer fuel to the high-pressure side of the system.

Integration with Plumbing

In the context of engine plumbing, the 4935139 Fuel Supply Line acts as a vital conduit. It connects various components within the fuel system, including the fuel tank, filters, and the Fuel Transfer Pump. The line’s design ensures minimal resistance to fuel flow, which is important for maintaining system efficiency. Proper installation and maintenance of this line are important to prevent leaks and ensure that the fuel system remains pressurized.

Communication with the Engine Control Module (ECM)

Although the Fuel Supply Line does not directly communicate with the Engine Control Module (ECM), its performance indirectly affects ECM operations. The ECM monitors fuel pressure and flow rates through sensors placed within the fuel system. Consistent and reliable fuel delivery via the Fuel Supply Line ensures that the ECM receives accurate data, allowing it to make precise adjustments to fuel delivery and engine performance.

Conclusion

The Cummins 4935139 Fuel Supply Line plays a supportive yet significant role in the fuel system, ensuring that components like the Fuel Transfer Pump and the overall plumbing network function efficiently. Its reliable performance is important for the accurate operation of the ECM, contributing to the engine’s overall efficiency and reliability.