4928876
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4928876 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its primary role is to facilitate the delivery of fuel from the tank to the engine, ensuring that the engine receives a consistent and reliable supply of fuel for combustion. This component is integral to the efficient operation of the truck’s engine, contributing to overall performance and reliability ⁴.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit within the fuel system that transports fuel from the fuel tank to the engine. Its function is vital for the operation of the truck, as it ensures that the engine receives the necessary fuel to generate power. The tube must be capable of withstanding the pressures and temperatures associated with fuel transport, while also being resistant to corrosion and wear. The consistent flow of fuel through the tube is crucial for maintaining engine performance and efficiency ¹.

Purpose of the Cummins 4928876 Fuel Supply Tube

This Cummins part is specifically engineered to play a role in the fuel delivery system by ensuring a steady flow of fuel to the engine. It is designed to handle the demands of heavy-duty truck engines, providing a reliable connection between the fuel tank and the engine’s fuel injection system. By maintaining a consistent fuel supply, it contributes to the engine’s ability to operate efficiently under various conditions ².

Key Features

The Cummins 4928876 Fuel Supply Tube is constructed from materials that offer durability and resistance to the elements it encounters within the fuel system. Its design includes features that enhance its performance, such as precise fittings for secure connections and a structure that minimizes the risk of leaks. These attributes are intended to ensure the tube’s longevity and reliability in the demanding environment of a heavy-duty truck ³.

Benefits of Using the Cummins 4928876 Fuel Supply Tube

Utilizing this part can lead to improved fuel efficiency, as it is designed to provide a consistent and unimpeded flow of fuel to the engine. Its reliability is a significant advantage, offering peace of mind to truck operators regarding the fuel system’s performance. Additionally, its compatibility with Cummins engines ensures that it integrates seamlessly with the engine’s fuel system, contributing to overall system efficiency ⁴.

Installation and Compatibility

Proper installation of the Cummins 4928876 Fuel Supply Tube is important for ensuring its effective operation within the fuel system. It is designed to be compatible with specific Cummins engine models, which facilitates a straightforward installation process. Adherence to manufacturer guidelines during installation helps to maintain the integrity of the fuel system and ensures the tube functions as intended ³.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4928876 Fuel Supply Tube is recommended to ensure its continued reliable operation. This includes periodic inspections for signs of wear, corrosion, or leaks. Common issues that may arise with fuel supply tubes can often be addressed through routine maintenance practices. Troubleshooting tips may involve checking connections for tightness and ensuring that the tube is free from obstructions that could impede fuel flow ⁴.

Safety Considerations

When working with the fuel supply system and the Cummins 4928876 Fuel Supply Tube, it is important to observe safety practices to prevent accidents. This includes ensuring that the fuel system is depressurized before beginning any work, using appropriate personal protective equipment, and following all manufacturer safety guidelines. These precautions are intended to ensure safe operation and maintenance of the fuel supply system ¹.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a strong reputation in the automotive and heavy-duty truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product offerings are designed to meet the demanding requirements of various applications, providing reliable performance and efficiency ².

Cummins Engine Compatibility with Fuel Supply Tube Part 4928876

The Cummins Fuel Supply Tube part number 4928876 is designed to fit a range of Cummins engines, ensuring efficient fuel delivery and maintaining the integrity of the fuel system. This part is compatible with several models, including:

• ISB/ISD4.5 CM2150 B119
• ISBE4 CM850
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

For the ISB/ISD4.5 CM2150 B119 engine, the Fuel Supply Tube part 4928876 is engineered to provide a precise fit, ensuring that fuel is delivered smoothly and efficiently to the engine’s fuel system. This part is crucial for maintaining optimal engine performance and longevity.

Similarly, the ISBE4 CM850 engine benefits from the use of this fuel supply tube, as it is designed to integrate seamlessly with the engine’s architecture. This compatibility ensures that the fuel supply remains uninterrupted, which is vital for the engine’s operation.

The QSB4.5 CM850 (CM2850) and QSB6.7 CM850 (CM2850) engines also utilize the Fuel Supply Tube part 4928876. This part is specifically designed to fit these models, providing a reliable and durable solution for fuel delivery. Its precision engineering ensures that the fuel supply is consistent and reliable, contributing to the overall efficiency and performance of the engine.

Lastly, the QSB7 CM2880 B117 engine is another model that is compatible with the Fuel Supply Tube part 4928876. This part is designed to fit this engine model, ensuring that the fuel supply system operates smoothly and efficiently. Its compatibility with this engine model is crucial for maintaining the engine’s performance and reliability ³.

Role of Part 4928876 Fuel Supply Tube in Engine Systems

The part 4928876 Fuel Supply Tube is a component in the fuel delivery system of various engine setups. Its primary function is to transport fuel from the fuel tank to the fuel filter and subsequently to the engine’s fuel injection system or carburetor.

In the context of the fuel system, the fuel supply tube interfaces directly with the fuel tank, ensuring a consistent and reliable flow of fuel. It is connected to the fuel pump, which pressurizes the fuel and sends it through the tube. The tube’s design allows it to withstand the pressure and temperature variations within the fuel system, ensuring durable performance.

Once the fuel passes through the fuel supply tube, it reaches the fuel filter. The fuel filter’s role is to remove any impurities or contaminants from the fuel before it enters the engine. The fuel supply tube must be securely connected to the fuel filter to prevent any leaks or disruptions in fuel flow.

After filtration, the clean fuel is then delivered to the engine’s fuel injection system or carburetor. In fuel-injected engines, the fuel supply tube connects to the fuel rail, which distributes fuel to each injector. In carbureted engines, the tube leads directly to the carburetor, where the fuel is mixed with air before entering the combustion chamber.

The integrity of the fuel supply tube is vital for maintaining the efficiency and performance of the engine. Any damage or blockage in the tube can lead to inconsistent fuel delivery, affecting engine operation and potentially causing misfires or reduced power output. Therefore, regular inspection and maintenance of the fuel supply tube are recommended to ensure optimal engine performance ⁴.

Conclusion

The Cummins 4928876 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks, ensuring a consistent and reliable supply of fuel to the engine. Its design and construction are tailored to withstand the demanding conditions of heavy-duty truck engines, contributing to overall performance and reliability. Regular maintenance and adherence to safety practices are essential for the continued efficient operation of this part.