Spectra SP6679M Fuel Pump Module Assembly

The Spectra SP6679M fuel pump module assembly is built for direct replacement in select Buick Lucerne and Cadillac DTS applications. It combines engineered construction, manufacturing control, and quality checks to support consistent fuel delivery in the vehicles fuel system.

• Fuel pump module assembly for select GM full-size sedan applications
• Internal strainer included
• Direct-fit replacement for 2009-2011 Buick Lucerne and 2009-2011 Cadillac DTS
• Cross-reference: Delphi FG1289 and FG2063
• Part number SP6679M for application matching and catalog lookup

Application Details

Compatible with 2009-2011 Buick Lucerne, N/A, and 2009-2011 Cadillac DTS, N/A. This Spectra fuel pump module assembly is a fitment-based replacement for vehicles that need a complete in-tank fuel delivery module. The SP6679M is also referenced by part number SP6679M in aftermarket and interchange catalogs.

What This Part Helps Address

• Hard starting caused by fuel delivery issues
• Engine stalling related to inconsistent fuel pressure
• Fuel starvation from a worn in-tank pump module
• Driveability problems tied to a failing internal strainer
• Fuel system service needs on Buick Lucerne and Cadillac DTS models

Installation Notes

Before installation, inspect and clean the fuel tank. Replace the fuel tank lock ring and seal; failure to do so voids the warranty. Verify the tank condition and confirm the vehicle application before installing the SP6679M.

Quality Assurance

Spectra Premium fuel modules are manufactured with controlled engineering and quality processes to meet high performance expectations. This part cross-references Delphi FG1289 and FG2063 for the same application.