Delphi FT4054 Fuel Transfer Unit

Delphi FT4054 Fuel Transfer Unit Overview

The Delphi FT4054 fuel transfer unit is designed for reliable in-tank fuel delivery in select BMW models. Engineered to meet standard replacement specifications, this unit includes a fuel level sender assembly and regulator to ensure consistent fuel flow and accurate fuel gauge readings.

• Compatible with BMW 128i, 323i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335i, 335i xDrive, and 335xi models
• Includes integrated fuel level sender assembly and regulator
• In-tank design with female quick connect outlet (0.375 inch outside diameter)
• Two male pin terminals for secure electrical connection
• Gasket or seal included for proper installation
• Standard replacement grade for dependable performance

Technical Details and Features

The Delphi FT4054 fuel transfer unit is specifically designed for gasoline fuel systems and features a female quick connect outlet with a 0.375-inch outside diameter. It includes two male pin terminals to ensure a reliable electrical connection and comes with a gasket or seal to prevent leaks during installation. The unit’s resistance ranges from 990 ohms when empty to 51 ohms when full, providing accurate fuel level readings through the included fuel level sender assembly. This in-tank fuel pump assembly does not include a strainer or vapor pressure sensor but does incorporate a regulator to maintain proper fuel pressure within the system.

Applications and Problem Resolution

• Replacement for faulty or failing fuel transfer units in compatible BMW models
• Resolves inaccurate fuel gauge readings due to faulty sender assemblies
• Addresses fuel delivery interruptions caused by worn or damaged pumps
• Eliminates fuel leaks with included gasket or seal
• Restores proper fuel pressure regulation with integrated regulator

Installation Notes and Tips

Installation of the Delphi FT4054 fuel transfer unit requires access to the in-tank fuel pump assembly. Ensure the vehicle’s battery is disconnected before beginning work to avoid electrical hazards. Use the included gasket or seal to prevent leaks and verify that the two male pin terminals are securely connected to the vehicle’s wiring harness. The female quick connect outlet should be firmly attached to the fuel line with the correct 0.375-inch diameter fitting. Follow the provided instruction sheet carefully for proper installation procedures.

Quality Assurance and Warranty

Delphi manufactures the FT4054 fuel transfer unit to meet standard replacement quality standards, ensuring compatibility and reliable operation in specified BMW models. The product includes a fuel level sender assembly and regulator to maintain system integrity. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.