Delphi FG1278 Fuel Pump Module Assembly

Delphi FG1278 Fuel Pump Module Assembly

Delphi FG1278 is an in-tank fuel pump module assembly for gasoline applications, built with OE heritage and application coverage for a wide range of vehicles. It includes the fuel level sender assembly and strainer, making it a direct replacement option for service work on the fuel delivery system.

Key Features

• In-tank electric fuel pump module assembly for gas fuel systems
• Includes regulator, fuel level sender assembly, and internal strainer
• 12-volt design with blade terminals and male terminal ends
• Push-in outlet with one outlet and 0.313 in. outlet outside diameter
• Maximum pressure rating of 80.0 and system pressure of 51 psi
• Average flow rating of 50 with average current draw of 8
• Standard replacement part for service and repair applications
• Package contents: fuel pump module assembly with float arm, seal, clip, and instruction sheet

Detailed Description

Delphi FG1278 fuel pump module assembly is engineered for in-tank installation on gasoline vehicles and combines the pump, regulator, and sender functions in one service part. Delphi draws on more than 100 years of OE experience and supplier knowledge used by major automakers, bringing OE-based design and broad aftermarket coverage to this replacement module. This part cross-references DENSO Auto Parts 950-0229 for the same application. It is a strong match for 2008-2015 Scion xB fuel system service, including vehicles that need a replacement fuel pump module assembly with float arm and fuel level sender.

What It Helps Address

• Hard starting caused by weak fuel delivery
• Engine stalling from inconsistent pump output
• Fuel gauge errors related to sender wear
• Low fuel pressure conditions in the tank-mounted system
• Fuel pump noise or failure in the original module

Installation Notes and Tips

Fits 2008-2015 Scion xB, N/A. Clean the fuel tank before installing the fuel pump to help prevent future seal problems. Verify electrical connector style, outlet configuration, and system pressure before installation. The module uses a blade terminal type with five terminals and an in-tank layout.

Quality Assurance

Delphi builds this replacement module using OE-based engineering knowledge developed through long-term supplier experience with major automakers. FG1278 is a standard replacement fuel pump module assembly intended to meet the needs of service technicians and vehicle owners restoring fuel delivery performance.