4928878
Fuel Supply Tube
Cummins®

The Cummins 4928878 Fuel Supply Tube is a component designed for use in heavy-duty trucks. It serves a specific function within the fuel system, contributing to the efficient operation of the vehicle. Understanding its role and significance can provide insights into the overall performance and reliability of heavy-duty truck engines.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit that transports fuel from the fuel tank to the engine. Its function is vital within the fuel system, as it ensures that the engine receives a steady and consistent supply of fuel. This consistent supply is important for the engine’s performance, efficiency, and overall operation. The design and material of the fuel supply tube can influence the fuel system’s reliability and the engine’s performance ¹.

Purpose of the Cummins 4928878 Fuel Supply Tube

This Cummins part plays a role in the fuel delivery system by ensuring a consistent fuel supply to the engine. It is engineered to withstand the pressures and conditions within the fuel system, providing a reliable pathway for fuel to travel from the tank to the engine. This consistent fuel delivery is important for maintaining engine performance and efficiency ².

Key Features

The Cummins 4928878 Fuel Supply Tube is characterized by several key features that enhance its performance and durability. These include its material composition, which is selected to resist corrosion and wear, and its design elements, which are tailored to ensure a secure fit and efficient fuel flow. Additionally, any unique characteristics of the tube, such as reinforced sections or specific coatings, contribute to its overall effectiveness in the fuel system.

Benefits of Using the Cummins 4928878 Fuel Supply Tube

Incorporating this part into a heavy-duty truck’s fuel system can offer several advantages. These include improved fuel efficiency, as a well-designed fuel supply tube can reduce fuel loss and ensure a consistent supply to the engine. Reliability is another benefit, with the tube’s durable construction and precise engineering contributing to the overall dependability of the fuel system. Compatibility with Cummins engines ensures that the tube integrates seamlessly with the engine’s fuel system, enhancing performance.

Installation and Integration

Proper installation of the Cummins 4928878 Fuel Supply Tube is important for ensuring it functions correctly within the fuel system. This process involves using the necessary tools and following specific steps to secure the tube in place and connect it to the fuel system components. Considerations such as alignment, sealing, and pressure testing are part of the installation process to ensure the tube operates effectively and safely.

Maintenance and Troubleshooting

Maintaining this Cummins part is important for ensuring its longevity and optimal performance. Regular inspections for signs of wear, corrosion, or leaks can help identify issues before they become problematic. Common issues that may arise include blockages or fuel leaks, which can be addressed through cleaning, repair, or replacement of the tube. Following manufacturer guidelines for maintenance can help prevent these issues and ensure the fuel supply tube continues to function effectively.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the heavy-duty truck industry, known for its wide range of products and commitment to quality and reliability. The company’s history is marked by innovation and a focus on meeting the needs of its customers. Cummins engines are recognized for their performance, durability, and efficiency, making them a popular choice for heavy-duty applications. The reputation of Cummins products, including the 4928878 Fuel Supply Tube, is built on this foundation of quality and reliability.

Cummins Fuel Supply Tube 4928878 Compatibility

The Cummins Fuel Supply Tube part number 4928878 is designed to fit seamlessly within a range of Cummins engines, ensuring efficient fuel delivery and system integrity. This part is integral to the fuel system’s functionality, providing a reliable conduit for fuel from the fuel pump to the injectors.

Engine Compatibility

• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)

These two engines share a similar design and operational parameters, making the 4928878 part a direct fit for both. The shared architecture allows for easy interchangeability of parts, facilitating maintenance and repair processes.

• QSB7 CM2880 B117

While the QSB7 CM2880 B117 engine has a different model designation, the fuel supply tube 4928878 is also compatible with this engine. Despite the different model number, the design and engineering principles ensure that this part fits and functions effectively within the QSB7 engine’s fuel system.

Installation and Usage

When installing the Cummins Fuel Supply Tube 4928878, it is crucial to follow the manufacturer’s guidelines to ensure proper fitment and performance. This part is designed to withstand the operational stresses of the engine, providing durability and reliability over time. Regular inspection and maintenance of this component are recommended to prevent fuel leaks and ensure optimal engine performance.

Role of Part 4928878 Fuel Supply Tube in Engine Systems

The Part 4928878 Fuel Supply Tube is an integral 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 injectors or carburetor. This ensures a consistent and regulated flow of fuel, which is important for the engine’s performance and efficiency.

Integration with Fuel Filter Plumbing

In the fuel filter plumbing system, the Fuel Supply Tube connects the fuel tank to the fuel filter. This connection is vital as it allows the fuel to be filtered before it reaches the engine. The filter removes impurities and contaminants that could otherwise damage the sensitive components within the fuel injectors or carburetor. The Fuel Supply Tube’s design ensures that the fuel flow is smooth and uninterrupted, which is important for maintaining the filter’s efficiency and longevity.

Contribution to Fuel Supply System

As part of the fuel supply system, the Fuel Supply Tube works in conjunction with fuel pumps, regulators, and injectors. It provides a dedicated pathway for fuel, reducing the risk of leaks and ensuring that the fuel pressure remains within the specified parameters. This is particularly important in high-performance engines where precise fuel delivery is required to achieve optimal combustion and power output ³.

Ensuring System Integrity

The Fuel Supply Tube also plays a role in maintaining the integrity of the fuel supply system. By providing a secure and leak-proof connection between the fuel tank and the fuel filter, it prevents fuel from escaping into the engine compartment, which could pose a fire hazard. Additionally, the tube is designed to withstand the pressures and temperatures associated with fuel systems, ensuring reliable operation under various driving conditions.

Conclusion

In summary, the Part 4928878 Fuel Supply Tube is a key component that facilitates the efficient and safe delivery of fuel within engine systems. Its integration with fuel filter plumbing and the broader fuel supply network underscores its importance in ensuring engine performance and reliability.