Delphi FG1859 Fuel Pump Module Assembly

Delphi Fuel Pump Module Assembly for Subaru Impreza

The Delphi FG1859 fuel pump module assembly is designed specifically for Subaru Impreza models requiring a reliable in-tank electric fuel pump. Engineered to deliver consistent fuel flow and pressure, this module ensures optimal engine performance and fuel efficiency.

• Electric fuel pump with 12.0 voltage operation
• Includes internal strainer and fuel level sender assembly
• Maximum pressure rating of 58 psi with system pressure at 51 psi
• Quick connect outlet with 0.375 inch outside diameter
• Blade-type male terminals with six connections
• Compatible with gasoline fuel systems
• Standard replacement grade for direct fit installation

Technical Details and Features

The Delphi FG1859 fuel pump module assembly features an internal strainer inlet and a quick connect outlet designed for efficient fuel delivery in Subaru Impreza vehicles. The pump operates at 12 volts and maintains a maximum pressure of 58 psi, with a system pressure of 51 psi to meet the fuel demands of the engine. It includes a fuel level sender assembly with a float arm for accurate fuel gauge readings. The module has six blade-type male terminals, ensuring secure electrical connections. The average current draw is 10 amps, and the average flow rating is 26 liters per hour, supporting consistent fuel supply under various driving conditions.

Applications and Problem Resolution

This fuel pump module assembly is compatible with Subaru Impreza models requiring a replacement in-tank electric fuel pump. It addresses common fuel system issues such as:

• Intermittent or no fuel delivery causing engine stalling or failure to start
• Inaccurate fuel level readings due to faulty sender assembly
• Reduced fuel pressure affecting engine performance and fuel efficiency
• Fuel pump noise or overheating from worn components
• Clogged fuel strainer restricting fuel flow

Installation Notes and Tips

Installation of the Delphi FG1859 fuel pump module assembly should be performed with care to avoid damage to the fuel system. Ensure the vehicle’s battery is disconnected before beginning. The module is designed for in-tank installation and includes a quick connect outlet for ease of connection. Verify that the blade terminals align correctly and secure all electrical connections. It is recommended to inspect the fuel tank and clean any debris before installing the new module. Follow the included instruction sheet for detailed installation guidance.

Quality Assurance and Warranty

Delphi fuel pump modules are manufactured to meet OEM specifications for fit, form, and function. The FG1859 is a standard replacement grade part, providing reliable performance for Subaru Impreza vehicles. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.