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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.
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.
| Year | Make | Model | Submodel | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Chevrolet | Express 3500 | LS | GAS | N/A | with 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. |
| 2005 | Chevrolet | Express 3500 | Base | GAS | N/A | with 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. |
| 2005 | GMC | Savana 3500 | SLE | GAS | N/A | with 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. |
| 2005 | GMC | Savana 3500 | Base | GAS | N/A | with 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. |
| 2004 | Chevrolet | Express 3500 | LS | GAS | N/A | with 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. |
| 2004 | Chevrolet | Express 3500 | Base | GAS | N/A | with 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. |
| 2004 | GMC | Savana 3500 | SLE | GAS | N/A | with 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. |
| 2004 | GMC | Savana 3500 | Base | GAS | N/A | with 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. |
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