4943090
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4943090 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It ensures the efficient transfer of fuel from the tank to the engine, maintaining a steady and reliable fuel supply under various operating conditions. This part is essential for the efficient functioning of the fuel system, contributing to the overall performance and reliability of the vehicle ¹.

Purpose and Function

The primary role of the Cummins 4943090 Fuel Supply Tube is to deliver fuel from the tank to the engine. It is engineered to maintain a consistent fuel flow, which is vital for the engine’s operation across different load and speed conditions. By ensuring a stable fuel supply, the tube helps in maintaining engine performance and efficiency. It is designed to withstand the pressures and temperatures within the fuel system, providing a reliable connection between the fuel tank and the engine ².

Key Features

The Cummins 4943090 Fuel Supply Tube is constructed with materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance and longevity. The tube is made from high-quality materials that ensure it can withstand the rigors of heavy-duty truck operations. Additionally, it may include unique attributes such as reinforced connections or specialized coatings to further enhance its durability and performance ³.

Benefits

Using the Cummins 4943090 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and clean fuel supply to the engine. The tube’s reliable performance enhances the overall reliability of the fuel system. Furthermore, it is designed for compatibility with Cummins engines, ensuring seamless integration and optimal performance within the specified engine models.

Installation and Integration

Proper installation of the Cummins 4943090 Fuel Supply Tube is crucial for its effective operation. The installation process involves several steps, including the use of specific tools to ensure a secure and leak-free connection. It is important to follow the manufacturer’s guidelines for installation to integrate the tube with other fuel system components correctly. This ensures that the fuel system operates efficiently and safely.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins 4943090 Fuel Supply Tube, regular maintenance is recommended. This includes inspecting the tube for signs of wear or damage and ensuring all connections are secure. Common issues that may arise include leaks or blockages, which can be addressed by following troubleshooting steps such as checking connections, cleaning the tube, or replacing damaged sections as necessary.

Safety Considerations

When working with the Cummins 4943090 Fuel Supply Tube or any fuel system component, it is important to follow safety practices. This includes ensuring that the fuel system is depressurized before starting any work to prevent fuel leaks or accidents. Additionally, handling fuel system components requires caution to avoid spills and ensure a clean working environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established itself as a trusted name in the automotive and heavy-duty truck industry. The company is committed to quality and innovation, continuously developing engine components that meet the demanding requirements of modern transportation.

Cummins Fuel Supply Tube 4943090 Compatibility

The Cummins Fuel Supply Tube 4943090 is a critical component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel tank to the engine’s fuel injection system.

Engine Compatibility

• 6C8.3 Series

  • The 6C8.3 engine series benefits from the precise engineering of the 4943090 Fuel Supply Tube. This part is designed to withstand the high pressures and demands of the 6C8.3 engine, ensuring optimal fuel flow and engine performance.

• Group Compatibility

  • The 4943090 Fuel Supply Tube is also compatible with other engines within the same family or series as the 6C8.3. This includes engines that share similar design and operational parameters, ensuring a seamless fit and function across multiple engine models.

Installation and Function

• Installation

  • The installation of the 4943090 Fuel Supply Tube is straightforward, designed for ease of integration into the engine’s fuel system. Proper installation is crucial to maintain the integrity of the fuel delivery system and prevent leaks or inefficiencies.

• Function

  • This fuel supply tube plays a pivotal role in the engine’s operation by ensuring a steady and uninterrupted flow of fuel to the injection system. It is engineered to handle the specific pressure and flow requirements of the engines it is compatible with, contributing to the engine’s overall efficiency and performance.

Role of Part 4943090 Fuel Supply Tube in Engine Systems

The part 4943090 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 filter, ensuring a consistent and reliable fuel supply to the engine.

Integration with the Fuel Filter

The Fuel Supply Tube connects directly to the fuel filter, which is a vital component in the fuel system. The fuel filter’s role is to remove impurities and contaminants from the fuel before it reaches the engine. A secure and leak-free connection between the Fuel Supply Tube and the fuel filter is necessary to maintain the integrity of the fuel system. This connection ensures that the fuel delivered to the engine is clean, which is important for optimal engine performance and longevity.

Placement and Routing

The location of the Fuel Supply Tube within the engine bay is strategically chosen to minimize the risk of damage from heat, moving parts, and potential impacts. It is typically routed away from high-temperature areas, such as the exhaust manifold, to prevent fuel line degradation. The tube is also secured in place using clips and brackets to avoid chafing or abrasion against other components.

Ensuring Consistent Fuel Flow

A consistent fuel flow is necessary for the engine to operate efficiently. The Fuel Supply Tube plays a key role in this by providing a direct and unobstructed path for fuel to travel from the tank to the filter. Any restrictions or leaks in this tube can lead to inconsistent fuel delivery, which may result in engine performance issues such as misfires, stalling, or reduced power output.

Maintenance and Inspection

Regular inspection of the Fuel Supply Tube is recommended to identify any signs of wear, corrosion, or damage. Ensuring the tube is in good condition helps maintain the overall efficiency and reliability of the fuel system. If any issues are detected, prompt replacement or repair is advised to prevent potential fuel system failures.

Conclusion

The Cummins 4943090 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks. Its role in ensuring a consistent and reliable fuel supply to the engine is crucial for maintaining engine performance and efficiency. Proper installation, regular maintenance, and adherence to safety practices are essential for the optimal operation of this part. Cummins’ commitment to quality and innovation ensures that the 4943090 Fuel Supply Tube meets the demanding requirements of modern transportation.