Delphi FG1645 Fuel Pump Module Assembly

Reliable Fuel Pump Module Assembly for Infiniti QX56 and QX80

The Delphi FG1645 fuel pump module assembly is designed to provide consistent fuel delivery for Infiniti QX56 and QX80 models. This in-tank electric fuel pump ensures optimal fuel pressure and flow, supporting efficient engine performance.

Key Features of Delphi FG1645 Fuel Pump Module

• Outlet outside diameter: 0.375 inches for precise fuel line connection
• Operates on 12.0 volts suitable for standard automotive electrical systems
• Compatible with gasoline fuel type
• Includes an internal fuel pressure regulator maintaining up to 75 psi maximum pressure
• Equipped with a 5-terminal male blade connector for secure electrical connections
• Features an internal strainer and inlet strainer to prevent debris from entering the fuel system
• Quick connect outlet type with two outlets for efficient fuel flow
• Includes a fuel level sender assembly with float arm for accurate fuel gauge readings
• Average current draw of 13 amps and flow rating of 41 liters per hour
• Standard replacement grade ensuring reliable performance

Detailed Description of the Delphi FG1645 Fuel Pump Module

The Delphi FG1645 is an electric fuel pump module assembly engineered for in-tank installation in Infiniti QX56 and QX80 vehicles. It features a built-in fuel pressure regulator capable of maintaining system pressure at approximately 73 psi, ensuring consistent fuel delivery under various operating conditions. The module includes an internal strainer and inlet strainer to protect the fuel system from contaminants, enhancing longevity and reliability. The 5-terminal male blade connector supports stable electrical connections, while the quick connect outlet with two outlets facilitates efficient fuel flow. Additionally, the integrated fuel level sender assembly provides accurate fuel level readings to the vehicle’s dashboard. This module is designed to meet OEM specifications for a standard replacement, making it suitable for restoring proper fuel system function.

Common Applications and Issues Addressed

• Replacement for failing or noisy fuel pumps in Infiniti QX56 and QX80
• Resolves inconsistent fuel pressure causing engine hesitation or stalling
• Fixes inaccurate fuel gauge readings due to faulty fuel level sender
• Prevents fuel delivery interruptions caused by clogged strainers or debris
• Restores proper fuel flow rate to maintain engine performance and efficiency

Installation Notes and Tips

Installation of the Delphi FG1645 fuel pump module assembly requires removal of the fuel tank for in-tank access. Ensure the vehicle’s battery is disconnected before beginning to avoid electrical hazards. Handle the fuel pump carefully to avoid damage to the internal strainer and fuel level sender components. Verify all electrical connections are secure and free of corrosion. After installation, check for fuel leaks and proper fuel pressure to confirm correct operation.

Quality Assurance and Warranty

Delphi fuel pump modules are manufactured to meet industry standards for durability and performance. The FG1645 is a standard replacement part designed to match OEM specifications for Infiniti QX56 and QX80 models. 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.