Delphi FG0398 Fuel Pump Module Assembly

Brand Delphi FG0398
Average Current Draw 11
Average Flow Rating 38
Fuel Level Sender Assembly Included Yes
Fuel Type Flex
Gasket Or Seal Included Yes
In Tank or External In Tank
Inlet Type Strainer
Internal Or External Strainer Internal
Item Grade Standard Replacement
Lock Ring Included No
Maximum Pressure 73.0
Outlet Outside Diameter 0.375
Outlet Quantity 2
Outlet Type Quick Connect
Package Contents Fuel Pump Module Assembly w/Float Arm, Seal, Instruction Sheet
Pump Type Electric
Regulator Included Yes
Resistance Ohms Empty 250.0
Resistance Ohms Full 40.0
Strainer Included Yes
System Pressure 54 psi
Terminal Gender Male
Terminal Quantity 4
Terminal Type Blade
Vapor Pressure Sensor No
Voltage 12.0
Fits Chevrolet and GMC · 8 vehicles

Standard replacement. Direct-fit fuel pump module assembly for straightforward service.

OE heritage. Built from 100 years of OE experience and supplier knowledge.

Complete module. Includes a regulator, strainer, seal, and fuel level sender assembly.

Cross-references Spectra Premium SP76091M, 19133504 and 19303415 for the same application. See all 12.

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Delphi FG0398 Fuel Pump Module Assembly

The Delphi FG0398 fuel pump module assembly is a standard replacement for select Chevrolet Express 3500 and GMC Savana 3500 applications. Built for in-tank fuel delivery on flex-fuel systems, it combines the pump, fuel level sender, regulator, seal, and strainer in one service assembly.

With OE-focused engineering drawn from Delphi’s long history supplying automakers, this module is built for direct-fit service on the listed vehicles. It is a practical choice when replacing a worn fuel pump module on a 2004-2005 Chevrolet Express 3500 or 2004-2005 GMC Savana 3500 with the specified fuel tank and emission package.

Key Features

  • Part number FG0398 fuel pump module assembly
  • In-tank electric fuel pump for flex-fuel applications
  • Includes fuel level sender assembly and float arm
  • Regulator included for integrated fuel system service
  • Strainer and gasket/seal included
  • Quick-connect outlet design with two outlets
  • 12-volt operation with blade terminals
  • Maximum pressure rating of 73.0 psi and system pressure of 54 psi
  • Average flow rating of 38 and average current draw of 11

Detailed Description

Delphi FG0398 is a fuel pump module assembly engineered for in-tank installation and direct replacement service. It uses an electric pump design with an internal strainer, male blade terminals, and quick-connect outlets for a clean factory-style connection. The module also includes the fuel level sender assembly, helping restore both fuel delivery and tank level reporting in one repair.

This FG0398 module is listed for 2004-2005 Chevrolet Express 3500 and 2004-2005 GMC Savana 3500 models with cutaway chassis, a 55-gallon fuel tank, federal emission system, and RPO codes NF4, NF9, or NT9. Delphi’s OE heritage and broad aftermarket coverage are reflected in the module’s standard replacement design and application-specific fitment.

This part cross-references Spectra Premium SP76091M for the same application.

What It Helps Fix

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

Installation Notes and Tips

Fits 2004-2005 Chevrolet Express 3500, N/A, with Cutaway Chassis and 55 Gal Fuel Tank. Fits 2004-2005 GMC Savana 3500, N/A, with Cutaway Chassis and 55 Gal Fuel Tank. Confirm the vehicle’s emission system and RPO codes NF4, NF9, or NT9 before ordering. Delphi notes that fuel tank contamination is a leading cause of premature pump failure, and cleaning the tank before installation is recommended. Use of fuel tank cleaning kit FC01 is recommended.

Verify outlet style, terminal type, and tank configuration against the original module before installation. The assembly includes a seal and strainer; the lock ring is not included.

Quality Assurance

Delphi builds aftermarket fuel system parts using OE experience and application knowledge developed through service to major automakers. FG0398 is a standard replacement fuel pump module assembly designed to meet the listed vehicle requirements and restore fuel delivery performance.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelFuel TypePositionNotes
2005ChevroletExpress 3500LSGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
2005ChevroletExpress 3500BaseGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
2005GMCSavana 3500SLEGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
2005GMCSavana 3500BaseGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
2004ChevroletExpress 3500LSGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
2004ChevroletExpress 3500BaseGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
2004GMCSavana 3500SLEGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
2004GMCSavana 3500BaseGASN/Awith Cutaway Chassis; with 55 Gal Fuel Tank; with Federal Emission System; RPO Code NF4, NF9 or NT9; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, it’s recommended to clean the fuel tank before installing a new pump.; Use of fuel tank cleaning kit FC01 is recommended.
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — SP76091M19133504193034151933197125362257A30331DFG0398E3682MM10029MU1432P76089BP76089M