Delphi FT4030 Fuel Transfer Unit

Delphi FT4030 Fuel Transfer Unit Overview

The Delphi FT4030 Fuel Transfer Unit is designed for reliable diesel fuel delivery in select Chevrolet and GMC heavy-duty trucks. Engineered as an in-tank fuel pump assembly, it ensures consistent fuel flow and accurate fuel level readings for your Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models.

• Compatible with Chevrolet and GMC 2500 HD and 3500 HD diesel trucks
• In-tank fuel transfer unit with internal strainer and fuel level sender assembly
• Outlet outside diameter of 0.375 inches with quick connect outlet type
• Includes gasket/seal and strainer for secure installation and filtration
• Four male blade terminals with 4-terminal quantity for electrical connection
• Standard replacement grade with resistance values of 250 ohms empty and 40 ohms full

Technical Features and Specifications

The Delphi FT4030 is a diesel fuel transfer unit designed specifically for in-tank installation. It features an internal strainer inlet type that helps prevent contaminants from entering the fuel system. The unit includes a fuel level sender assembly with a float arm, providing accurate fuel level readings. The outlet is a quick connect type with an outside diameter of 0.375 inches, facilitating straightforward hose connections. Electrical connections are made via four male blade terminals, ensuring compatibility with the vehicle’s wiring harness. This unit does not include a regulator or vapor pressure sensor but comes with a gasket or seal to maintain a secure and leak-free installation.

Compatible Vehicles and Applications

This fuel transfer unit is compatible with the following diesel truck models:

• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 3500 HD
• GMC Sierra 2500 HD
• GMC Sierra 3500 HD

It is designed to replace the factory fuel transfer unit in these models, ensuring proper fuel delivery and fuel level monitoring.

Common Issues Addressed by the Delphi FT4030

• Intermittent or no fuel delivery causing engine performance issues
• Inaccurate fuel gauge readings due to faulty fuel level sender
• Fuel contamination from debris entering the fuel system
• Electrical connection failures from worn or damaged terminals
• Leaks caused by degraded seals or gaskets in the fuel pump assembly

Installation Notes and Tips

Installation of the Delphi FT4030 fuel transfer unit requires removal of the fuel tank or access through the tank’s service opening. Ensure the vehicle’s battery is disconnected before beginning work to prevent electrical hazards. Carefully remove the old fuel transfer unit, noting the orientation of the float arm and electrical connectors. Replace the gasket or seal included with the new unit to prevent leaks. Verify that the quick connect outlets are securely attached to the fuel lines. After installation, test the fuel gauge and pump operation before reassembling the vehicle.

Quality Assurance and Warranty

Delphi manufactures the FT4030 fuel transfer unit to meet standard replacement grade specifications, ensuring reliable performance and durability. The unit undergoes quality control testing to verify electrical resistance and mechanical integrity. While specific warranty terms may vary, Delphi typically offers coverage against manufacturing defects. Consult product documentation or the vehicle’s service manual for detailed warranty information.