4934993
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4934993 Fuel Supply Tube is a component designed for use in heavy-duty trucks. It plays a role in the fuel delivery system by ensuring that fuel is efficiently transferred from the tank to the engine. This part is integral to maintaining the performance and reliability of the vehicle, contributing to its overall operational efficiency.

Purpose and Function

The Cummins 4934993 Fuel Supply Tube facilitates the transfer of fuel within the truck’s fuel system. It connects the fuel tank to the engine, allowing for a steady and uninterrupted flow of fuel. This tube ensures that the engine receives the necessary fuel supply to operate effectively, playing a role in the overall efficiency and performance of the truck ¹.

Key Features

The Cummins 4934993 Fuel Supply Tube is characterized by its robust design and the materials used in its construction. It is made from high-quality materials that offer resistance to corrosion and wear, ensuring durability and longevity. The tube is designed to withstand the pressures and temperatures associated with fuel delivery in heavy-duty applications. Additionally, it features precise fittings and connections that ensure a secure and leak-free installation ².

Benefits

The use of the Cummins 4934993 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and reliable fuel supply to the engine. The tube’s design and materials enhance the reliability of the fuel delivery system, reducing the likelihood of leaks or failures. Furthermore, it is specifically engineered to be compatible with Cummins engines, ensuring optimal performance and integration within the system ³.

Installation and Integration

Installing the Cummins 4934993 Fuel Supply Tube involves several steps to ensure proper integration within the truck’s fuel system. First, the old tube, if present, should be removed, taking care to disconnect it from both the fuel tank and the engine. The new tube should then be positioned and connected to the fuel tank using the appropriate fittings. It is then routed to the engine, where it is securely attached. Care should be taken to ensure all connections are tight and free from leaks. The tube should be checked for proper alignment and routing to avoid any kinks or obstructions that could impede fuel flow.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4934993 Fuel Supply Tube is important to ensure its longevity and optimal performance. This includes periodic inspections for signs of wear, corrosion, or leaks. Any detected issues should be addressed promptly to prevent further damage or system failure. Common problems may include leaks at connection points or blockages within the tube. Troubleshooting steps may involve tightening connections, cleaning or replacing filters, or, in more severe cases, replacing the tube itself.

Safety Considerations

When handling and working with the Cummins 4934993 Fuel Supply Tube, it is important to observe several safety protocols. These include working in a well-ventilated area to avoid the accumulation of fuel vapors, wearing appropriate personal protective equipment, and ensuring that all tools and equipment are in good condition. Additionally, it is crucial to follow all manufacturer guidelines and industry standards to prevent accidents and ensure safe operation.

Environmental Impact

The use and disposal of the Cummins 4934993 Fuel Supply Tube have environmental implications. Cummins Inc. is committed to minimizing its ecological footprint through various initiatives, including the use of recyclable materials and the implementation of sustainable manufacturing practices. Proper disposal and recycling of the tube, when it reaches the end of its service life, are important to reduce environmental impact.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established itself as a leader in the automotive and engine manufacturing industry. The company is committed to innovation, quality, and sustainability, offering a wide range of products designed to meet the needs of various industries, including transportation, construction, and power generation.

Cummins Engine Compatibility with Fuel Supply Tube Part 4934993

The Cummins Fuel Supply Tube part number 4934993 is designed to ensure efficient fuel delivery within the engine system. This part is compatible with several Cummins engine models, specifically the QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 engines.

For the QSB6.7 CM850 (CM2850) engines, the Fuel Supply Tube part 4934993 is engineered to fit seamlessly into the engine’s fuel system architecture. This ensures that the fuel supply remains uninterrupted, maintaining optimal engine performance and efficiency.

Similarly, the QSB7 CM2880 B117 engines also benefit from the use of the Cummins Fuel Supply Tube part number 4934993. This part is designed to integrate smoothly with the engine’s fuel supply system, providing a reliable and durable solution for fuel delivery.

Both engine models rely on the precision and quality of the Fuel Supply Tube part 4934993 to ensure that fuel is delivered consistently and efficiently to the engine’s combustion chambers. This compatibility highlights the importance of using genuine Cummins parts to maintain the integrity and performance of these engines.

Role of Part 4934993 Fuel Supply Tube in Engine Systems

The part 4934993 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 systems equipped with a fuel filter, the Fuel Supply Tube connects directly to the filter’s inlet, ensuring a clean and uninterrupted fuel flow. This connection is vital for maintaining the efficiency and performance of the engine, as contaminants in the fuel can lead to engine wear and decreased performance.

Additionally, the Fuel Supply Tube interfaces with the engine’s plumbing system, which includes various hoses, connectors, and regulators. This integration ensures that the fuel is delivered at the correct pressure and volume, which is necessary for optimal engine operation. The tube’s design allows it to withstand the pressures and temperatures within the fuel system, providing reliable fuel delivery under all operating conditions.

Moreover, the Fuel Supply Tube plays a role in the overall fuel management system by contributing to the precise control of fuel delivery. This is particularly important in modern engines that rely on electronic fuel injection systems, where the accurate metering of fuel is essential for achieving the desired air-fuel ratio.

Conclusion

In summary, the Cummins 4934993 Fuel Supply Tube is a key component that ensures the smooth and efficient transfer of fuel within the engine system, interacting closely with the fuel filter and the engine’s plumbing to maintain engine performance and reliability.