Delphi FG1646 Fuel Pump Module Assembly

Delphi Fuel Pump Module Assembly Overview

The Delphi FG1646 fuel pump module assembly is designed for reliable fuel delivery in BMW X3 and X4 models. This in-tank electric fuel pump ensures consistent fuel pressure and flow, supporting optimal engine performance for gas-powered vehicles.

• Compatible with BMW X3 and X4 models
• 12.0 Volt electric pump with a maximum pressure of 87 psi
• Includes fuel level sender assembly with float arm
• Internal strainer and quick connect outlet for efficient fuel filtration and connection
• Standard replacement grade with included gasket and seal
• Pin-type male terminals with six connections for secure wiring
• Average flow rating of 45 liters per hour and system pressure of 44 psi

Technical Specifications and Features

The Delphi FG1646 fuel pump module assembly operates at 12 volts and is designed specifically for gasoline fuel systems. It features an internal strainer inlet type and a quick connect outlet with a 0.313-inch outside diameter, ensuring proper fuel filtration and secure connection. The module includes a regulator to maintain system pressure at 44 psi, with a maximum pressure rating of 87 psi. The pump draws an average current of 10 amps and delivers an average flow rate of 45 liters per hour, supporting efficient fuel delivery for BMW X3 and X4 engines.

Electrical connections are made via six male pin terminals, providing reliable and stable wiring. The assembly also includes a fuel level sender assembly with a float arm, allowing accurate fuel level readings. A gasket or seal is included to ensure a proper fit and prevent leaks during installation.

Applications and Problem Resolution

This fuel pump module assembly is compatible with BMW X3 and X4 models requiring a standard replacement fuel pump. It addresses several common fuel system issues, including:

• Intermittent or complete fuel delivery failure
• Inaccurate fuel level readings due to faulty sender units
• Fuel pressure inconsistencies affecting engine performance
• Fuel contamination caused by damaged or missing strainers
• Electrical connection problems from worn or corroded terminals

Installation Notes and Tips

Installation of the Delphi FG1646 fuel pump module assembly should be performed with care to avoid damage to the fuel system components. Ensure the gasket or seal is properly seated to prevent leaks. Verify that the six-pin male terminals are securely connected to the vehicle wiring harness. The quick connect outlet simplifies fuel line attachment but should be checked for a tight fit. It is recommended to follow the vehicle manufacturer’s service manual for specific removal and installation procedures.

Quality Assurance and Warranty

Delphi fuel pump modules are manufactured to meet OEM standards for fit, form, and function. The FG1646 is a standard replacement grade part, designed to provide reliable operation within specified parameters. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.