4992971
Fuel Supply Tube
Cummins®

The Cummins 4992971 Fuel Supply Tube is a component designed to facilitate the efficient transfer of fuel from the tank to the engine in heavy-duty trucks. Its role is integral to the operation of the vehicle, ensuring that the engine receives a consistent and reliable fuel supply under various operating conditions ¹.

Purpose and Function

This Cummins part plays a role in the fuel system by providing a conduit for fuel to travel from the tank to the engine. The Fuel Supply Tube is engineered to withstand the pressures and temperatures associated with fuel transfer, ensuring that the fuel reaches the engine in the proper state for combustion. Its function is vital for maintaining the performance and efficiency of the truck’s engine ².

Key Features

The 4992971 is constructed from materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance, such as reinforced sections to handle pressure fluctuations and a smooth interior to minimize fuel flow resistance. These characteristics contribute to the tube’s reliability and longevity in demanding applications ³.

Benefits

Utilizing this part can lead to improved fuel efficiency due to its design, which minimizes fuel flow resistance. The tube’s durability and reliability contribute to the overall longevity of the fuel system, reducing the need for frequent replacements. These advantages make it a valuable component for heavy-duty truck operations.

Installation Process

Installing the Fuel Supply Tube requires following a series of steps to ensure proper integration into the fuel system. This process includes preparing the fuel system for the new component, securing the tube in place, and verifying that all connections are tight and secure. Tools and equipment specific to fuel system work may be required, and safety precautions should be observed to prevent accidents.

Maintenance and Troubleshooting

To ensure this Cummins part operates optimally, regular maintenance is recommended. This includes inspecting the tube for signs of wear or damage, ensuring connections remain secure, and addressing any leaks promptly. Common issues may involve fuel flow restrictions or leaks, which can often be resolved through inspection and repair or replacement of affected sections.

Compatibility and Applications

The 4992971 is designed for use in specific heavy-duty truck models and engine series. Its application is tailored to meet the demands of these vehicles, ensuring compatibility with the fuel system components and operating conditions.

Safety Considerations

When handling and installing the Fuel Supply Tube, it is important to follow safety protocols to prevent accidents. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and ensuring that the fuel system is depressurized before beginning work. These precautions help ensure safe operation and prevent fuel-related hazards.

Environmental Impact

The use of the Fuel Supply Tube, like any automotive component, has environmental considerations. Efforts to minimize its ecological footprint may include the use of recyclable materials in its construction and designing for longevity to reduce the frequency of replacements. Additionally, proper disposal and recycling of the component at the end of its service life are important for environmental stewardship.

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 a strong reputation in the automotive and heavy-duty truck industry, Cummins is committed to providing reliable and efficient power solutions for a variety of applications.

Cummins Fuel Supply Tube Part 4992971 Compatibility

The Cummins Fuel Supply Tube part number 4992971 is designed to fit seamlessly within the fuel systems of specific Cummins engines. This part is integral to ensuring the proper delivery of fuel from the fuel tank to the engine’s fuel injection system.

ISB CM2150 and ISB6.7 CM2250 Engines

The part 4992971 is compatible with the ISB CM2150 and ISB6.7 CM2250 engines. These engines are part of Cummins’ ISB series, known for their robust performance and reliability in various applications, including heavy-duty trucks and industrial machinery.

In these engines, the fuel supply tube plays a role in maintaining the integrity of the fuel delivery system. It ensures that fuel is transported efficiently and without leaks, which is vital for the engine’s performance and longevity. The design of the tube allows it to withstand the high pressures and temperatures typical of diesel engines, ensuring durability and consistent operation.

Installation and Function

When installing the fuel supply tube in these engines, it is essential to follow the manufacturer’s guidelines to ensure a proper fit and function. The tube must be securely connected to both the fuel tank and the fuel injection system, preventing any fuel leaks that could compromise engine performance or safety.

The tube’s design facilitates smooth fuel flow, which is important for the engine’s fuel injection system to operate correctly. Any obstruction or damage to the tube can lead to fuel delivery issues, potentially causing engine misfires or reduced power output.

Importance of Proper Fit

Ensuring that the part 4992971 is correctly installed is important for maintaining the engine’s efficiency and reliability. Regular inspections and maintenance checks should be performed to verify that the fuel supply tube is in good condition and properly connected. Any signs of wear, damage, or leaks should be addressed promptly to prevent potential engine issues.

By using the correct part and ensuring its proper installation, engine operators can maintain optimal performance and reliability of their ISB CM2150 and ISB6.7 CM2250 engines.

Role of Part 4992971 Fuel Supply Tube in Engine Systems

The part 4992971 Fuel Supply Tube is integral to the efficient operation of engine systems, ensuring a consistent and reliable fuel delivery to the engine. This component is designed to connect various elements within the fuel system, facilitating the smooth transfer of fuel from the fuel tank to the engine.

Integration with Fuel System Components

1. Fuel Tank to Fuel Filter: The Fuel Supply Tube serves as a conduit between the fuel tank and the fuel filter. It transports fuel from the tank, where it is stored, to the filter. The filter’s role is to remove impurities and contaminants from the fuel, ensuring that only clean fuel proceeds to the engine.

2. Fuel Filter to Fuel Rail: After passing through the fuel filter, the fuel moves through the Fuel Supply Tube to the fuel rail. The fuel rail distributes fuel to the individual fuel injectors, which then spray the fuel into the engine’s combustion chambers.

3. Plumbing and Routing: The Fuel Supply Tube is part of the overall plumbing of the fuel system. It is routed to avoid interference with other engine components and to minimize the risk of fuel leaks. Proper routing ensures that the fuel system operates under optimal conditions, maintaining the integrity of the fuel delivery process.

4. Pressure Regulation: The Fuel Supply Tube works in conjunction with the fuel pump and pressure regulator to maintain the correct fuel pressure within the system. Consistent fuel pressure is essential for the efficient operation of fuel injectors and overall engine performance.

5. Thermal Management: The tube is often designed to withstand the thermal conditions within the engine compartment. It may incorporate heat shielding or be made from materials that resist thermal expansion, ensuring that the fuel remains at an optimal temperature for combustion.

In summary, the part 4992971 Fuel Supply Tube is a vital link in the fuel delivery chain, ensuring that fuel is transported efficiently and reliably from the fuel tank to the engine. Its integration with other components like the fuel filter and fuel rail underscores its importance in maintaining the overall health and performance of the engine system.

Conclusion

The Cummins 4992971 Fuel Supply Tube is a critical component in the fuel system of heavy-duty trucks, ensuring efficient and reliable fuel delivery to the engine. Its design, durability, and compatibility with specific Cummins engines make it an essential part for maintaining engine performance and efficiency. Proper installation, maintenance, and understanding of its role within the fuel system are key to leveraging its benefits fully.