Delphi FG1091 Fuel Pump Module Assembly - Left

Delphi FG1091 Fuel Pump Module Assembly

Delphi FG1091 is an in-tank electric fuel pump module assembly for gas applications, built as a standard replacement for select Cadillac XLR and Chevrolet Corvette models. It includes the fuel level sender assembly, regulator, strainer, gasket or seal, and a float arm for a complete service solution.

Key Features

• In-tank electric fuel pump module assembly for gasoline systems
• Maximum pressure rated at 80.0 with a 58 psi system pressure specification
• Includes fuel level sender assembly, regulator, strainer, and gasket or seal
• Female quick connect outlet with 0.375 in. outlet outside diameter
• 12V design with blade terminals and 4-terminal male connection
• Standard replacement built from Delphi OE heritage and fuel system experience
• Fits the left side application for select Corvette and XLR models

Detailed Description

The Delphi FG1091 fuel pump module assembly is engineered for direct replacement in select 2003-2006 Chevrolet Corvette and 2004-2006 Cadillac XLR applications. Delphi draws on OE supplier experience to deliver a fuel delivery module that integrates the pump, sender, regulator, and internal strainer into one service-ready assembly. The FG1091 is specified for in-tank installation, gasoline fuel systems, and left-side placement, making it a focused solution for vehicles that require a matched fuel pump module assembly.

This part cross-references Bosch 66080 and Airtex E3579M for the same application. Delphi FG1091 is also referenced by multiple OE and aftermarket numbers used in Corvette and XLR fuel system service.

Vehicle Fitment

• Fits 2004-2006 Cadillac XLR, Left
• Fits 2004-2006 Chevrolet Corvette, Left
• Fits 2003 Chevrolet Corvette, Left

Common Problems This Part Can Address

• Hard starting caused by weak fuel delivery
• Engine stalling from inconsistent fuel pressure
• Fuel gauge errors related to a failing sender assembly
• Fuel starvation under load from a worn in-tank pump
• Fuel system noise or pressure loss from an aging module

Installation Notes and Tips

Before installing the Delphi FG1091, clean the fuel tank to reduce the risk of contamination-related seal or pump issues. For 2003 Chevrolet Corvette applications, tank cleaning is especially important, and use of fuel tank cleaning kit FC01 is recommended. Verify left-side placement, electrical connector style, and outlet configuration before installation.

Quality Assurance

Delphi builds this fuel pump module assembly using knowledge developed through more than 100 years of OE experience and supply relationships with major automakers. That OE background is reflected in the FG1091’s module design, fuel system specifications, and application coverage for select Corvette and XLR models.