5261439
Fuel Supply Tube
Cummins®

Introduction

The Cummins 5261439 Fuel Supply Tube is a critical component designed for commercial trucks equipped with Cummins engines. It ensures a consistent and reliable fuel supply, which is essential for engine operation and overall vehicle performance.

Function and Operation

This Cummins part operates as a conduit within the fuel system, delivering fuel from the tank to the engine. Its precise design allows for efficient fuel flow, minimizing the risk of fuel starvation or contamination ¹.

Key Features

The Fuel Supply Tube is constructed from high-quality materials resistant to corrosion and wear, ensuring durability in demanding conditions. It includes robust connections and fittings to prevent leaks and may feature reinforced sections to withstand high pressure and flexible segments to accommodate movement ².

Benefits

The 5261439 offers improved fuel efficiency, reliability, and durability. Its efficient design minimizes fuel loss, ensures a consistent supply, and contributes to the longevity of the fuel system, providing value over the vehicle’s lifespan ³.

Installation and Compatibility

Proper installation is crucial for optimal performance. The tube is compatible with various Cummins engine models, designed to integrate seamlessly with the fuel system of compatible engines ⁴.

Maintenance and Troubleshooting

Regular maintenance, including periodic inspection for wear, corrosion, or leaks, is essential. Troubleshooting techniques may involve checking connections, cleaning or replacing filters, and ensuring the tube is free from obstructions ⁵.

Safety Considerations

Observing safety precautions and best practices is important when working with the Fuel Supply Tube. This includes proper handling of fuel to prevent spills and contamination, and adherence to manufacturer guidelines for installation, maintenance, and troubleshooting ⁶.

Environmental Impact

The use of the 5261439 can contribute to environmental considerations by improving fuel efficiency and reducing emissions. Its efficient design helps minimize fuel consumption, leading to lower emissions and a reduced environmental footprint ⁷.

Cummins Overview

Cummins Inc. is a global power leader known for its high-quality products and commitment to customer satisfaction. The company’s extensive product offerings and global presence make it a trusted partner for commercial vehicle operators worldwide ⁸.

Compatibility with Cummins Engines

The 5261439 Fuel Supply Tube is compatible with several Cummins engine models, including the ISC8.3 CM2250, ISL9 CM2150 SN, and ISL9 CM2250. Its precise design ensures smooth operation and contributes to the overall efficiency and longevity of the engine ⁹.

Role in Engine Systems

This part is integral to the fuel delivery system, working in conjunction with other components to ensure a smooth and efficient fuel supply. It is strategically positioned to connect the fuel tank to the fuel filter and subsequently to the fuel injectors or carburetor, ensuring fuel flows under the right pressure and volume ¹⁰.

Conclusion

The Cummins 5261439 Fuel Supply Tube plays a vital role in ensuring a consistent and reliable fuel supply to the engine. Its design, compatibility, and integration within the fuel system contribute to the overall performance, efficiency, and longevity of commercial trucks equipped with Cummins engines.