Delphi FT4010 Fuel Transfer Unit - Left

Delphi FT4010 Fuel Transfer Unit Overview

The Delphi FT4010 Fuel Transfer Unit is designed for reliable fuel delivery in select Mercedes-Benz models. This in-tank fuel pump assembly includes a fuel level sender and regulator, ensuring accurate fuel management and consistent engine performance.

• Compatible with Mercedes-Benz C55 AMG, C230, C280, C350, CLK55 AMG, CLK350, CLK500, CLK550, CLS500, CLS550, E320, E350, E500, and E550
• Fuel type: Gasoline
• Includes integrated fuel level sender assembly and regulator
• Outlet outside diameter: 0.500 inches with hose-type outlets (4 total)
• Five female pin terminals for secure electrical connections
• In-tank installation position: Left side
• Vapor pressure sensor included for emissions control

Technical Details and Features

The Delphi FT4010 is a standard replacement fuel transfer unit engineered for precise fuel delivery and monitoring. It features a 0.500-inch outlet diameter with four hose-type outlets to ensure proper fuel flow. The unit includes a fuel level sender assembly with resistance values ranging from 50 ohms (full) to 990 ohms (empty), providing accurate fuel gauge readings. The integrated regulator maintains optimal fuel pressure, while the vapor pressure sensor supports emission system functionality. Electrical connections are made via five female pin terminals, designed for compatibility with factory wiring harnesses. This unit is intended for in-tank installation on the left side of the fuel tank.

Applications and Problem Resolution

This fuel transfer unit is specifically compatible with various Mercedes-Benz models, including the C-Class, CLK, CLS, and E-Class series. It addresses common fuel system issues such as:

• Inaccurate fuel level readings due to faulty sender assemblies
• Fuel delivery interruptions caused by worn or failing pumps
• Fuel pressure inconsistencies affecting engine performance
• Emission control problems related to vapor pressure sensor failures
• Electrical connection issues with damaged or corroded terminals

Installation Notes and Tips

• Ensure the unit is installed on the left side of the fuel tank as specified
• Verify all electrical connections use the five female pin terminals for proper fit
• Check fuel lines for compatibility with 0.500-inch hose outlets
• Follow vehicle manufacturer guidelines for in-tank fuel pump replacement
• Handle the fuel level sender assembly carefully to avoid damage to the float arm

Quality Assurance and Warranty

The Delphi FT4010 Fuel Transfer Unit is manufactured to meet OEM standards for fit, form, and function. It undergoes rigorous testing to ensure durability and reliable operation within the specified Mercedes-Benz models. This standard replacement part comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.