Delphi FG1888 Fuel Pump Module Assembly

Delphi FG1888 Fuel Pump Module Assembly

The Delphi FG1888 fuel pump module assembly is a standard replacement for select Mercedes-Benz R350 and R500 models. Built for in-tank gasoline applications, it combines the pump and fuel level sender assembly in one unit for direct service on the fuel delivery system.

Key Features

• In-tank electric fuel pump module assembly for gasoline applications
• 12.0-volt operation with a maximum pressure rating of 94.0
• Quick-connect outlet with one outlet and blade-style terminals
• Fuel level sender assembly included for fuel gauge signal restoration
• Internal strainer included; regulator, gasket or seal, and lock ring not included
• Standard replacement part built from Delphi OE heritage and application knowledge

Detailed Description

Delphi FG1888 is engineered as an in-tank fuel pump module assembly for Mercedes-Benz R350 and Mercedes-Benz R500 applications. It is designed for gasoline fuel systems and includes the fuel pump module assembly with float arm and instruction sheet. The unit uses a quick-connect outlet, male blade terminals, and an internal strainer, with a system pressure rating of 80 psi and an average flow rating of 40. Delphi draws on more than 100 years of OE experience and a broad aftermarket portfolio to support consistent fuel delivery performance across select model years.

This part cross-references Monroe Shocks & Struts (e.g., DFG1888, E9138M) for the same application. Search terms: Mercedes-Benz R350 fuel pump module assembly, Mercedes-Benz R500 in-tank fuel pump replacement, Delphi FG1888 fuel sender assembly.

Common Repair Uses

• Hard starting caused by weak or failing fuel delivery
• Fuel gauge readings that are inaccurate or intermittent
• Low fuel pressure complaints in gasoline systems
• Engine hesitation or stalling related to fuel supply issues
• Noise or inconsistent operation from an aging in-tank pump module

Installation Notes

Fits 2006-2008 Mercedes-Benz R350, N/A. Fits 2006-2007 Mercedes-Benz R500, N/A. Clean the fuel tank before installing the fuel pump to prevent future seal problems. Verify connector style, outlet type, and sender resistance before installation. The regulator, gasket or seal, and lock ring are not included, so confirm all required service parts are on hand before beginning the repair.

Quality Assurance

Delphi builds aftermarket fuel system parts using OE heritage and application knowledge developed through long-term supplier experience with major automakers. FG1888 is a standard replacement fuel pump module assembly for select Mercedes-Benz applications.