US Motor Works USEP3783M Fuel Pump Module Assembly

Electric Fuel Pump Module for Buick and Cadillac

US Motor Works USEP3783M is an electric fuel pump module assembly for select Buick Lucerne and Cadillac DTS applications. It includes the tank seal and is built for direct replacement service in the fuel delivery system.

Key Features

• Electric fuel pump module assembly for air and fuel delivery service
• Includes tank seal
• Direct-fit replacement for select 2009-2011 Buick Lucerne and 2009-2011 Cadillac DTS applications
• Cross-references Delphi FG1289 and FG2063 for the same application
• Part number: USEP3783M

Product Details

The US Motor Works ELECTRIC FUEL PUMP MODULE line is built for fuel system replacement where the pump, module, and related components are serviced as an assembly. USEP3783M is listed for 2009-2011 Buick Lucerne and 2009-2011 Cadillac DTS models, making it a direct-match option when replacing the original fuel pump module assembly. This part number, USEP3783M, also cross-references Spectra Premium SP6679M and OE-style numbers used in the same application.

What It Helps Address

• Hard starting caused by fuel delivery loss
• Engine stalling from inconsistent pump output
• Fuel pressure problems that affect drivability
• No-start conditions related to a failed in-tank module
• Fuel gauge or module-related service needs when the assembly is being replaced

Installation Notes

Verify vehicle year and model before installation. This module is listed for 2009-2011 Buick Lucerne and 2009-2011 Cadillac DTS, with no position designation shown. Follow factory service procedures for fuel system depressurization, tank access, and seal replacement. Confirm electrical connectors, fuel line routing, and tank sealing surfaces before final assembly.

Quality Assurance

US Motor Works supplies this fuel pump module as part of its ELECTRIC FUEL PUMP MODULE product line, with the tank seal included for the listed application.