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Delphi FG0939 Fuel Pump Module Assembly
Reliable Fuel Pump Module Assembly for Buick, Chevrolet, and Pontiac
The Delphi FG0939 fuel pump module assembly is designed to provide consistent fuel delivery and accurate fuel level readings for select Buick, Chevrolet, and Pontiac models. Engineered for in-tank installation, this electric fuel pump module supports flex fuel systems and includes essential components for a straightforward replacement.
Key Features of Delphi FG0939 Fuel Pump Module
- 12.0 Volt electric fuel pump with a maximum pressure of 81 psi
- Includes regulator, internal strainer, and vapor pressure sensor for optimal fuel management
- Equipped with a fuel level sender assembly and gasket for precise fuel level monitoring and leak prevention
- Three male pin terminals with quick connect outlet fittings (0.375 inch outside diameter)
- Designed for in-tank installation with dual outlet ports and internal strainer inlet
- Average flow rating of 21 and system pressure of 58 psi for consistent fuel delivery
- Compatible with flex fuel types and standard replacement grade quality
Detailed Description of the Delphi FG0939 Fuel Pump Module Assembly
This Delphi FG0939 fuel pump module assembly is engineered to meet the fuel delivery demands of Buick Allure, Chevrolet Impala, Grand Prix, and Pontiac LaCrosse models. The electric pump operates at 12 volts and features a maximum pressure rating of 81 psi, ensuring reliable fuel flow under various driving conditions. The module includes an internal strainer and vapor pressure sensor to maintain fuel system integrity and emissions compliance. With three male pin terminals and quick connect outlets, installation is simplified while maintaining secure electrical and fuel connections. The included fuel level sender assembly provides accurate fuel gauge readings, supported by resistance values ranging from 40 ohms (full) to 250 ohms (empty). This assembly is designed for in-tank mounting, which helps reduce noise and improves fuel pump longevity.
Common Applications and Issues Addressed
- Replacement for failing or noisy fuel pumps in Buick Allure, Chevrolet Impala, Grand Prix, and Pontiac LaCrosse
- Resolves inconsistent fuel pressure or delivery problems affecting engine performance
- Fixes inaccurate fuel gauge readings due to faulty fuel level sender assemblies
- Addresses fuel system leaks with included gasket and seal components
- Supports flex fuel compatibility for vehicles running ethanol blends
Installation Notes and Tips
- Ensure vehicle compatibility with Buick Allure, Chevrolet Impala, Grand Prix, or Pontiac LaCrosse before installation
- Disconnect the battery and relieve fuel system pressure prior to removal
- Handle the fuel pump module carefully to avoid damage to the internal strainer and electrical terminals
- Use the included gasket or seal to prevent fuel leaks during reassembly
- Verify all electrical connections are secure and terminals are properly aligned
Quality Assurance and Warranty Information
The Delphi FG0939 fuel pump module assembly is manufactured to meet OEM specifications for fit, form, and function. This standard replacement grade part undergoes rigorous testing to ensure durability and reliable performance in flex fuel applications. Delphi provides a limited warranty covering defects in materials and workmanship, offering confidence in the product’s quality and longevity.
| Brand | Delphi |
| Part Number | FG0939 |
| Average Current Draw | 11 |
| Average Flow Rating | 21 |
| 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 | 81.0 |
| 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 | 58 psi |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Pin |
| Vapor Pressure Sensor | Yes |
| Voltage | 12.0 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2011 | Chevrolet | Impala | FLEX | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
| 2010 | Chevrolet | Impala | FLEX | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
| 2010 | Chevrolet | Impala | GAS | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
| 2009 | Buick | Allure | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. | |
| 2009 | Buick | LaCrosse | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. | |
| 2009 | Chevrolet | Impala | GAS | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
| 2009 | Chevrolet | Impala | FLEX | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
| 2008 | Buick | LaCrosse | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. | |
| 2008 | Chevrolet | Impala | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. | |
| 2008 | Chevrolet | Impala | FLEX | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
| 2008 | Chevrolet | Impala | GAS | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
| 2008 | Pontiac | Grand Prix | N/A | with Siemens Fuel System (RPO Code FFW); Except Partial Zero Emissions Vehicle; Two port cover utilized for manufacturing purposes only. Use the open port, do not tamper with the plugged port; 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. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.