Delphi FT4033 Fuel Transfer Unit - Left

Reliable Delphi Fuel Transfer Unit for Mercedes-Benz Vehicles

The Delphi FT4033 fuel transfer unit is designed specifically for in-tank fuel delivery systems in select Mercedes-Benz models. Engineered to meet standard replacement requirements, this unit ensures consistent fuel flow and accurate fuel level readings for your GL550, ML550, and R350.

• Compatible with Mercedes-Benz GL550, ML550, and R350 models
• Fuel type: Gasoline
• Includes fuel level sender assembly with float arm
• Regulator included for stable fuel pressure
• Two female blade terminals for secure electrical connections
• External strainer inlet with quick connect outlet (0.375" diameter)
• In-tank installation, positioned on the left side
• Standard replacement grade for reliable performance

Technical Details and Features

The Delphi FT4033 fuel transfer unit is designed for gasoline fuel systems and features an external strainer inlet to protect the pump from debris. The unit includes a regulator to maintain proper fuel pressure and a fuel level sender assembly with a float arm for accurate fuel gauge readings. It has two female blade terminals for electrical connections and a quick connect outlet with a 0.375-inch outside diameter. This in-tank unit is positioned on the left side of the fuel tank and is intended as a standard replacement part for Mercedes-Benz GL550, ML550, and R350 models.

Common Applications and Problem Resolution

• Restores proper fuel delivery in Mercedes-Benz GL550, ML550, and R350
• Resolves inaccurate fuel gauge readings due to faulty sender assembly
• Addresses fuel pressure inconsistencies with included regulator
• Prevents fuel contamination with external strainer inlet
• Replaces worn or damaged in-tank fuel transfer units

Installation Notes and Tips

Installation of the Delphi FT4033 requires access to the in-tank fuel system on the left side of the fuel tank. Ensure all electrical connections use the two female blade terminals provided. The quick connect outlet simplifies fuel line attachment. Verify the fuel type is gasoline before installation. Follow vehicle-specific service manual instructions for safe removal and installation procedures.

Quality Assurance and Warranty

Delphi manufactures the FT4033 fuel transfer unit to meet standard replacement specifications, ensuring compatibility and reliable operation in Mercedes-Benz GL550, ML550, and R350 models. The unit includes a regulator and fuel level sender assembly for comprehensive functionality. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.