3093370
Injector Fuel Supply Tube
Cummins®

Introduction

The Cummins Injector Fuel Supply Tube, identified by part number 3093370, is a critical component in the fuel system of heavy-duty trucks. Manufactured by Cummins Inc., a leader in the automotive and industrial sectors, this part ensures efficient fuel delivery to the injectors, contributing to the overall performance and reliability of the engine.

Function and Operation

The Injector Fuel Supply Tube operates within the fuel injection system by delivering fuel from the fuel rail to the injector. This process is vital for maintaining consistent fuel pressure and flow, which are necessary for optimal combustion and engine efficiency. The tube’s precise design allows it to handle high-pressure fuel, ensuring that the injectors receive the necessary fuel volume at the correct pressure for efficient engine operation ¹.

Key Features

The Cummins Injector Fuel Supply Tube is engineered with specific design and construction features to enhance its performance and durability. It is typically made from high-quality materials that can withstand the high pressures and temperatures within the fuel system. The tube incorporates robust sealing mechanisms to prevent fuel leaks, ensuring a secure connection between the fuel rail and the injector. Additionally, its design may include features that reduce the risk of fuel contamination and improve overall system reliability.

Benefits

The Cummins Injector Fuel Supply Tube offers several advantages. It contributes to improved fuel delivery efficiency, which enhances engine performance by ensuring that the injectors receive a consistent fuel supply. This results in more efficient combustion and better overall engine operation. The tube’s durable construction and reliable sealing mechanisms also contribute to its longevity, providing dependable performance in demanding operating conditions.

Installation and Maintenance

Proper installation of the Injector Fuel Supply Tube is critical for ensuring optimal performance. It should be installed according to the manufacturer’s specifications, which may include torque settings and alignment procedures to ensure a secure and leak-free connection. Regular maintenance, such as inspecting for leaks and corrosion, is recommended to ensure the tube continues to function effectively. Following these guidelines helps maintain the integrity of the fuel system and prolongs the component’s service life.

Troubleshooting Common Issues

Common issues associated with the Injector Fuel Supply Tube include fuel leaks, restricted fuel flow, and component failure. Diagnostic procedures for addressing these problems may involve inspecting the tube and connections for signs of wear or damage, checking fuel pressure to ensure it meets specifications, and verifying that the sealing mechanisms are intact. Recommended solutions may include repairing or replacing damaged components, ensuring proper installation, and maintaining the fuel system to prevent future issues.

Cummins Overview

Cummins Inc. is a well-established company with a strong reputation in the automotive and industrial sectors. Founded in 1919, Cummins has a history of innovation and quality, offering a wide range of products including engines, filtration systems, and power generation equipment. The company is known for its commitment to customer satisfaction and continuous improvement, making it a trusted name in the industry. Cummins’ dedication to innovation and quality ensures that its components, like the Injector Fuel Supply Tube, meet the high standards required for heavy-duty applications ².

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (3093370) is designed to be compatible with a range of Cummins engines, including but not limited to, the QST30 CM552. This part is a standard component in the fuel delivery system of these engines, highlighting its importance in maintaining engine performance. The compatibility of this part with various Cummins engines underscores its versatility and the importance of using genuine Cummins parts for maintenance and repairs.

Conclusion

By ensuring that the Injector Fuel Supply Tube (3093370) is correctly installed and maintained, engine operators can expect reliable performance and longevity from their Cummins engines. This part plays a crucial role in the fuel delivery system, contributing to efficient engine operation and overall performance.