5259299
Tube Connector
Cummins®

Introduction

The Cummins 5259299 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its primary role 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

The Fuel Supply Tube 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 diesel fuel systems, contributing to the overall reliability of the fuel delivery process ¹.

Key Features

This Cummins part is constructed from materials that offer durability and resistance to the corrosive effects of diesel fuel. Its design includes features that enhance its performance, such as reinforced sections to prevent kinking and ensure a smooth flow of fuel. The tube’s construction is tailored to meet the demands of heavy-duty applications, providing a robust solution for fuel delivery.

Benefits

Utilizing the 5259299 can lead to improved fuel efficiency due to its ability to maintain consistent fuel flow and pressure. The tube’s durable construction contributes to its reliability and longevity, reducing the need for frequent replacements. These factors combine to offer a cost-effective and efficient fuel delivery component for heavy-duty trucks.

Installation and Compatibility

Proper installation of the Fuel Supply Tube is important to ensure it functions as intended. This may involve using specific tools and following manufacturer guidelines to secure the tube in place and connect it to the fuel system. Compatibility with various truck models and engine types should be verified to ensure the tube is suitable for the intended application.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube is important to ensure optimal performance. This includes inspecting the tube for signs of wear or damage, cleaning it as necessary, and addressing any issues that may affect fuel delivery. Common problems can often be traced to blockages or leaks, which can be identified and resolved through systematic troubleshooting.

Safety Considerations

When working with the Fuel Supply Tube, it is important to adhere to safety practices to prevent accidents and ensure the system operates within safe parameters. This includes handling fuel with care to avoid spills and fires, checking for leaks that could lead to hazardous conditions, and ensuring that the system maintains the correct pressure to prevent damage or failure.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for producing high-quality diesel engines and components. With a history of innovation and a commitment to excellence, Cummins has built a reputation for reliability and performance in the heavy-duty truck sector. The company’s products, including the 5259299, are designed to meet the rigorous demands of commercial and industrial applications.

Compatibility

The 5259299 is designed to fit into a variety of Cummins engine models. This part is integral to the fuel delivery system, ensuring that fuel is efficiently and accurately supplied to the engine components. Below is a detailed description of the compatibility of this part with various Cummins engines:

ISB5.9 CM2880 Series

The Fuel Supply Tube 5259299 is compatible with the following ISB5.9 CM2880 engines:

• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149

These engines are part of the ISB5.9 CM2880 series, which are known for their robust performance and reliability in various applications. The Fuel Supply Tube 5259299 ensures that these engines receive the correct fuel flow, maintaining optimal performance and efficiency.

ISB5.9G CM2180

The Cummins Fuel Supply Tube 5259299 also fits the ISB5.9G CM2180 engine. This engine is part of the ISB5.9G series, which is designed to meet stringent emissions standards while delivering high power output. The Fuel Supply Tube 5259299 is essential for maintaining the precise fuel delivery required by this engine.

B5.9 GAS PLUS CM556

The part number 5259299 is also compatible with the B5.9 GAS PLUS CM556 engine. This engine is part of the B5.9 series and is designed for natural gas operation, providing a cleaner and more efficient alternative to traditional diesel engines. The Fuel Supply Tube 5259299 ensures that the natural gas fuel is delivered correctly to the engine, supporting its operation and performance.

6B5.9

Lastly, the Cummins Fuel Supply Tube 5259299 fits the 6B5.9 engine. This engine is part of the 6B series and is known for its durability and power. The Fuel Supply Tube 5259299 is crucial for ensuring that the 6B5.9 engine receives the necessary fuel supply, maintaining its operational efficiency and performance.

By ensuring that the Fuel Supply Tube 5259299 is correctly installed in these engines, users can maintain the integrity of the fuel delivery system, leading to better engine performance and longevity.

Role in Engine Systems

The 5259299 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 ².

In an engine arrangement, the Fuel Supply Tube interfaces with the fuel pump, which draws fuel from the tank and pressurizes it before sending it through the tube. The tube then routes the fuel to the fuel rail or carburetor, where it is distributed to the engine’s cylinders. This seamless flow of fuel is vital for maintaining the engine’s combustion process.

When considering the compressor coolant system, the Fuel Supply Tube indirectly supports the engine’s cooling mechanisms. Efficient fuel delivery ensures optimal combustion, which in turn generates less excess heat. This reduced heat load allows the compressor coolant system to operate more effectively, maintaining the engine’s temperature within safe operating limits ³.

Conclusion

The Cummins 5259299 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks. Its design and construction ensure reliable fuel transfer, contributing to engine performance and efficiency. Proper installation, maintenance, and adherence to safety practices are essential for optimal operation. The compatibility of this part with various Cummins engines underscores its versatility and importance in ensuring a steady fuel supply for engine operation.