4997660
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4997660 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks. It ensures a consistent and reliable fuel supply from the tank to the engine, contributing to the overall efficiency and performance of the truck’s fuel system.

Function and Operation

This Cummins part operates by providing a conduit for fuel transfer from the fuel tank to the engine. It is strategically positioned within the fuel system to deliver fuel under the appropriate pressure and flow rate required by the engine. The tube plays a role in maintaining the fuel system’s integrity by preventing leaks and ensuring efficient fuel delivery ¹.

Key Features

The design and construction of the 4997660 include several features that enhance its performance. It is made from materials that offer durability and resistance to the corrosive effects of fuel. The tube’s construction is designed to withstand the pressures and temperatures encountered within a heavy-duty truck’s fuel system. Additionally, it may include features such as reinforced sections or specialized coatings to further improve its longevity and reliability ².

Benefits

The 4997660 offers several advantages. It contributes to improved fuel delivery efficiency, which can lead to better overall engine performance. The reliability of this component ensures that the fuel system operates consistently, reducing the likelihood of fuel-related issues. Moreover, its design may help in minimizing fuel loss and contamination, which are important factors in maintaining engine health ³.

Installation and Compatibility

Proper installation of the 4997660 is important to ensure it functions correctly within the fuel system. Installation procedures should follow manufacturer guidelines to ensure compatibility with the specific truck model. Attention to detail during installation can prevent issues such as leaks or improper fuel flow, which could affect engine performance ⁴.

Maintenance and Troubleshooting

Routine maintenance of the 4997660 is important to ensure its continued optimal performance. This may include regular inspections for signs of wear or damage, and cleaning or replacing the tube if necessary. Troubleshooting common issues, such as fuel leaks or inconsistent fuel delivery, may involve checking the tube for blockages or damage and ensuring all connections are secure.

Safety Considerations

When working with the 4997660, it is important to observe safety precautions. This includes handling the tube and fuel system components with care to avoid spills or accidents. Awareness of the potential hazards associated with fuel systems, such as flammability and toxicity, is important for safe operation and maintenance.

Regulatory Compliance

The 4997660 is manufactured to meet industry regulations and safety standards. Compliance with these standards ensures that the component is safe for use in commercial vehicles and contributes to the overall reliability of the fuel system.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for producing high-quality components for commercial vehicles. With a history of innovation and a commitment to quality, Cummins components are designed to meet the demanding requirements of heavy-duty applications.

Cummins Engine Compatibility with Fuel Supply Tube Part 4997660

The Fuel Supply Tube part number 4997660 is designed to fit a variety of Cummins engines, ensuring efficient fuel delivery and system integrity. Here is an overview of its compatibility across different engine models:

ISB/ISD Series Engines

• ISB/ISD 4.5 CM2150 B119
• ISB/ISD 6.7 CM2150 SN

The Fuel Supply Tube part 4997660 is compatible with both the ISB/ISD 4.5 and ISB/ISD 6.7 engines equipped with the CM2150 B119 and CM2150 SN configurations, respectively. This part ensures that the fuel supply system operates smoothly, maintaining the engine’s performance and efficiency.

ISBE Series Engines

• ISBE CM2150
• ISBE4 CM850

For the ISBE CM2150 and ISBE4 CM850 engines, the Fuel Supply Tube part 4997660 is engineered to fit seamlessly. This compatibility is crucial for maintaining the integrity of the fuel supply system, ensuring that the engines receive the correct fuel pressure and flow.

QSB Series Engines

• QSB 4.5 CM850 (CM2850)
• QSB 6.7 CM850 (CM2850)
• QSB 7 CM2880 B117

The Fuel Supply Tube part 4997660 is also suitable for the QSB 4.5, QSB 6.7, and QSB 7 engines. These engines are equipped with CM850 (CM2850) and CM2880 B117 configurations. This part is critical for ensuring that the fuel supply system functions correctly, supporting the engine’s operational demands.

By ensuring that the Fuel Supply Tube part 4997660 is compatible with these various engine models, Cummins maintains a high standard of interchangeability and reliability across its engine lineup. This compatibility allows for easier maintenance and repair, providing peace of mind to engine operators and technicians.

Role of Part 4997660 Fuel Supply Tube in Engine Systems

The Part 4997660 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 engine’s fuel injection system or carburetor. This ensures a consistent and reliable fuel supply, which is essential for the engine’s performance and efficiency.

In modern fuel-injected engines, the Fuel Supply Tube connects to the fuel pump, which pressurizes the fuel. It then routes the pressurized fuel to the fuel rail, where it is distributed to individual fuel injectors. These injectors spray fuel into the engine’s combustion chambers in a precise and controlled manner, optimizing fuel-air mixture for combustion.

For engines equipped with carburetors, the Fuel Supply Tube delivers fuel from the tank to the carburetor. Here, the fuel is mixed with air before entering the engine’s intake manifold. This mixture is then drawn into the cylinders, where combustion occurs.

The Fuel Supply Tube also interacts with various sensors and control units within the fuel system. For instance, it may connect to a fuel pressure regulator, which maintains consistent fuel pressure despite varying engine loads and speeds. Additionally, it may link to a fuel filter, which removes contaminants from the fuel before it reaches the engine, ensuring clean fuel delivery and protecting sensitive engine components.

In summary, the Part 4997660 Fuel Supply Tube plays a significant role in the efficient and reliable operation of engine fuel systems. Its proper functioning is essential for maintaining optimal engine performance, fuel economy, and emissions control.

Conclusion

The Cummins 4997660 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks, ensuring efficient and reliable fuel delivery. Its design, compatibility with various Cummins engines, and role in maintaining engine performance underscore its importance in the automotive industry.