4980292
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4980292 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. Its primary function is to facilitate the transfer of fuel from the tank to the engine, ensuring a steady and reliable supply of fuel under various operating conditions.

Purpose and Function

This part plays a role in the fuel delivery system by providing a conduit for fuel to travel from the tank to the engine. It ensures that fuel is delivered consistently and at the appropriate pressure, which is vital for the engine’s performance and efficiency. The tube is engineered to withstand the pressures and temperatures associated with fuel systems, ensuring that fuel flow is maintained even under demanding conditions ¹.

Key Features

The Cummins 4980292 Fuel Supply Tube is constructed from high-quality materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance performance, such as reinforced sections to prevent kinking and ensure a smooth flow of fuel. The tube is also designed to be compatible with a variety of connection types, allowing for versatile installation in different truck models ².

Benefits

Using this Cummins part can lead to improved fuel efficiency, as it ensures a consistent fuel flow that allows the engine to operate at optimal levels. The tube’s robust construction contributes to its reliability and longevity, reducing the need for frequent replacements. Additionally, its design helps to minimize the risk of fuel leaks, which can be a safety concern in heavy-duty truck operations ³.

Installation and Compatibility

Proper installation of the Fuel Supply Tube involves following manufacturer guidelines to ensure that it is securely connected and sealed. This may require specific tools and additional components, depending on the truck model and engine type. It is important to consult the vehicle’s service manual for detailed instructions and to verify compatibility with the specific truck and engine configuration.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube is important to ensure its continued performance. This includes checking for signs of wear or damage, ensuring connections are tight, and verifying that there are no leaks in the fuel system. Common issues that may arise include blockages or restrictions in the tube, which can be addressed by cleaning or replacing the affected section.

Safety Considerations

When working with the Fuel Supply Tube or any fuel system component, it is important to follow safety practices to prevent accidents. This includes working in a well-ventilated area, avoiding open flames or sparks, and ensuring that all connections are properly sealed to prevent fuel leaks. It is also advisable to wear protective equipment, such as gloves and safety glasses, when handling fuel system components.

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 emissions solutions. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive and heavy-duty truck industry. The company’s product range includes components and systems that are designed to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and efficiency.

Cummins Engine Compatibility with Fuel Supply Tube Part 4980292

The Cummins Fuel Supply Tube part number 4980292 is designed to fit a variety of Cummins engines, ensuring a secure and efficient fuel supply system. This part is integral to the proper functioning of the engine’s fuel system, facilitating the transfer of fuel from the fuel tank to the engine’s fuel injection system.

B6.7 and QSB6.7 Series

The part 4980292 is compatible with the B6.7 and QSB6.7 engines, which include the following models:

• B6.7 CM2350
• QSB6.7 CM850 (CM2850)

These engines are known for their robust performance and reliability, often used in heavy-duty applications.

ISB/ISD Series

The ISB/ISD series engines also utilize the part 4980292, specifically in the following configurations:

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN

These engines are designed for a range of applications, from agricultural to industrial uses, providing a balance of power and efficiency.

ISBE and ISBE4 Series

The ISBE and ISBE4 series engines are another group where the part 4980292 is applicable:

• ISBE CM2150
• ISBE4 CM850

These engines are typically used in on-highway and vocational applications, offering high performance and durability.

QSB7 Series

Lastly, the QSB7 engine, specifically the QSB7 CM2880 B117, is also compatible with the part 4980292. This engine is designed for high-performance applications, providing excellent fuel efficiency and power.

By ensuring that the Fuel Supply Tube part 4980292 is correctly installed, engine owners can maintain optimal performance and reliability across these various engine models.

Role of Part 4980292 Fuel Supply Tube in Engine Systems

The 4980292 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. Its primary function is to transport fuel from the fuel tank to the fuel injectors or carburetor, ensuring a consistent and reliable fuel supply for combustion.

Integration with Fuel System Components

1. Fuel Tank: The Fuel Supply Tube connects directly to the fuel tank, where it draws fuel through a pickup tube. This connection is vital for maintaining a steady fuel flow, especially under varying engine loads and driving conditions.

2. Fuel Pump: Positioned between the fuel tank and the engine, the Fuel Supply Tube works in conjunction with the fuel pump. The pump pressurizes the fuel, which is then delivered through the tube to the engine components.

3. Fuel Filter: Before reaching the engine, the fuel passes through a fuel filter. The Fuel Supply Tube ensures that clean, filtered fuel is consistently supplied to the engine, preventing contaminants from entering the combustion chamber.

4. Fuel Rail: In fuel-injected engines, the Fuel Supply Tube feeds into the fuel rail, which distributes fuel to individual injectors. This setup allows for precise fuel delivery to each cylinder, optimizing engine performance and efficiency.

5. Carburetor: In carbureted engines, the Fuel Supply Tube delivers fuel to the carburetor, where it is mixed with air before entering the combustion chamber. This ensures that the air-fuel mixture is correctly proportioned for efficient combustion.

6. Plumbing and Hoses: The Fuel Supply Tube is often connected to various plumbing components and hoses that route fuel throughout the engine bay. These connections must be secure and leak-free to maintain system integrity and safety.

Importance in Engine Operation

The consistent and reliable delivery of fuel is fundamental to engine operation. The 4980292 Fuel Supply Tube plays a significant role in this process by ensuring that fuel is transported efficiently from the tank to the point of combustion. This component helps maintain engine performance, fuel efficiency, and overall reliability.

Conclusion

The Cummins 4980292 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its robust construction, compatibility with various engine models, and integration with other fuel system components make it an essential part for maintaining engine performance and efficiency. Proper installation, regular maintenance, and adherence to safety practices are crucial for the optimal functioning of this part.