Delphi FT4088 Fuel Transfer Unit - Left

Delphi FT4088 Fuel Transfer Unit Overview

The Delphi FT4088 fuel transfer unit is designed for reliable fuel delivery in select Mercedes-Benz models. Engineered as an in-tank fuel pump assembly, it includes a fuel level sender assembly to provide accurate fuel measurement for vehicles like the C43 AMG and CLK55 AMG.

• Compatible with Mercedes-Benz C43 AMG, C230, C280, CLK55 AMG, CLK320, and CLK430
• In-tank fuel transfer unit with integrated fuel level sender assembly
• Outlet outside diameter of 0.375 inches with push-in outlet type
• Designed for gasoline fuel type with two male blade terminals
• Standard replacement grade without regulator, gasket, or strainer included

Technical Details and Features

The FT4088 fuel transfer unit operates with a resistance range of 1.0 ohms when empty and 97.0 ohms when full, ensuring precise fuel level readings. It features a single push-in outlet with a 0.375-inch outside diameter, optimized for secure fuel line connections. The unit includes two male blade terminals for electrical connections, supporting reliable power delivery without the need for additional regulators or seals. This standard replacement part is positioned on the left side of the fuel tank and is specifically designed for gasoline applications.

Applications and Problem Resolution

This Delphi fuel transfer unit is suitable for addressing several common fuel system issues in compatible Mercedes-Benz vehicles:

• Inaccurate fuel level readings due to faulty sender assemblies
• Fuel delivery interruptions caused by worn or damaged in-tank pumps
• Electrical connection failures with blade terminal configurations
• Replacement of standard grade fuel transfer units in C43 AMG and CLK55 AMG models
• Resolving fuel pump malfunctions without integrated regulators or strainers

Installation Notes and Tips

Installation of the Delphi FT4088 requires careful handling to maintain the integrity of the in-tank assembly. Ensure the push-in outlet is securely connected to the fuel line and verify the two male blade terminals are properly seated to avoid electrical issues. Since the unit does not include a gasket or seal, inspect existing seals for wear and replace if necessary. This fuel transfer unit is designed for left-side tank positioning, so confirm fitment before installation.

Quality Assurance and Warranty

Delphi manufactures the FT4088 fuel transfer unit to meet standard replacement specifications, ensuring compatibility and performance for Mercedes-Benz fuel systems. While this unit does not include a regulator or strainer, it is built to OEM standards for durability and reliability. Warranty coverage details should be confirmed with the point of purchase or Delphi directly to ensure proper support.