5440773
Fuel Supply Tube
Cummins®

The Fuel Supply Tube 5440773, manufactured by Cummins, is a vital component in the fuel system of commercial trucks. Cummins, a well-established name in the automotive industry, is renowned for its high-quality engine components. This part is integral to the efficient operation of commercial trucks, ensuring a reliable fuel supply to the engine.

Purpose and Function

The Fuel Supply Tube 5440773 plays a role in the fuel system by facilitating the transfer of fuel from the tank to the engine. This component ensures a consistent and uninterrupted fuel flow, which is crucial for the engine’s performance. By maintaining a steady fuel supply, the tube helps in optimizing the engine’s combustion process, thereby contributing to the overall efficiency and power output of the truck ¹.

Key Features

The Fuel Supply Tube 5440773 is designed with several features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to corrosion and wear, ensuring longevity even under demanding conditions. The tube’s design includes precise fittings and connections that prevent leaks and maintain fuel integrity. Additionally, its robust construction allows it to withstand the high pressures and temperatures within the fuel system ².

Benefits

The use of the Fuel Supply Tube 5440773 offers several advantages. One of the primary benefits is improved fuel efficiency, as the tube ensures a consistent and clean fuel supply to the engine. This results in better combustion and reduced fuel consumption. Additionally, the tube’s durable construction contributes to its reliability, minimizing the risk of failures and maintenance issues. The enhanced performance and longevity of the Fuel Supply Tube 5440773 make it a valuable component for commercial truck operators ³.

Installation Process

Proper installation of the Fuel Supply Tube 5440773 is crucial for its effective functioning. The installation process involves several steps. First, ensure that the fuel system is clean and free of debris. Next, carefully align the tube with the fuel tank and engine connections, ensuring a secure fit. Use the appropriate tools to tighten all connections, taking care not to over-tighten, which could damage the fittings. Finally, perform a pressure test to verify that there are no leaks in the system. Following these steps will help ensure a successful installation.

Common Issues and Troubleshooting

Despite its robust design, the Fuel Supply Tube 5440773 may encounter issues over time. Common problems include leaks, blockages, and wear. If a leak is detected, inspect the connections and fittings for any signs of damage or misalignment. Blockages can often be resolved by flushing the fuel system and ensuring that the tube is clear of debris. Regular inspections can help identify wear early, allowing for timely replacements and preventing more significant issues.

Maintenance Tips

To ensure the optimal performance and longevity of the Fuel Supply Tube 5440773, regular maintenance is recommended. Inspect the tube and its connections periodically for any signs of wear, corrosion, or leaks. Clean the fuel system regularly to prevent the buildup of debris that could obstruct fuel flow. Additionally, follow the manufacturer’s guidelines for replacement intervals to ensure that the tube remains in good condition. Proper maintenance will help maintain the efficiency and reliability of the fuel system.

Cummins Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of engines and related technologies. With a history spanning over a century, Cummins has established a reputation for producing high-quality, reliable engine components. The company offers a wide range of products, including diesel and natural gas engines, filtration systems, and aftermarket parts. Cummins’ commitment to innovation and excellence has made it a trusted name in the commercial truck industry.

Cummins Fuel Supply Tube Part 5440773 Compatibility

The Cummins Fuel Supply Tube part number 5440773 is designed to fit seamlessly with several engine models, ensuring optimal fuel delivery and performance. This part is integral to the fuel system of the engines, facilitating the transfer of fuel from the fuel tank to the engine’s fuel injection system.

Engine Compatibility

• ISX15 CM2350 X101 and X15 CM2350 X116B

  The Fuel Supply Tube part 5440773 is compatible with both the ISX15 CM2350 X101 and X15 CM2350 X116B engines. These engines are part of the Cummins portfolio known for their robust performance and reliability in heavy-duty applications. The part ensures that the fuel supply remains uninterrupted, maintaining the engine’s efficiency and power output.

• X15 CM2450 X134B

  Similarly, the X15 CM2450 X134B engine is also designed to work with the Cummins Fuel Supply Tube part 5440773. This engine variant is engineered for high performance and durability, making it suitable for demanding industrial and commercial applications. The fuel supply tube’s precise fit and construction are critical for the engine’s overall fuel management system.

By ensuring that the Fuel Supply Tube part 5440773 is correctly installed, users can maintain the integrity of the fuel system, which is crucial for the engine’s longevity and performance. This part’s compatibility across these engine models highlights Cummins’ commitment to providing high-quality, reliable components that meet the needs of various heavy-duty applications.

Role of Part 5440773 Fuel Supply Tube in Engine Systems

The part 5440773 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 engine’s fuel filter and subsequently to the fuel injectors or carburetor.

In systems equipped with a fuel filter, the Fuel Supply Tube connects directly to the filter inlet, ensuring a steady and clean flow of fuel. The filtered fuel then moves through the tube to the fuel injectors, where it is precisely sprayed into the combustion chambers. This setup is common in modern engines that rely on fuel injection technology for efficient combustion.

In carburetor-equipped engines, the Fuel Supply Tube delivers fuel to the carburetor, where it is mixed with air before entering the combustion chamber. This method is typical in older engine designs or specific applications where carburetors are still used.

Overall, the Fuel Supply Tube plays a significant role in maintaining the integrity and efficiency of the fuel delivery system, ensuring that the engine receives the necessary fuel for optimal performance.

Conclusion

The Fuel Supply Tube 5440773 is a critical component in the fuel system of commercial trucks, ensuring a reliable and efficient fuel supply to the engine. Its robust design, compatibility with various engine models, and the benefits it offers make it a valuable asset for truck operators. Proper installation, regular maintenance, and timely troubleshooting are essential to maximize the performance and longevity of this Cummins part.