Delphi FG0433 Fuel Pump Module Assembly

Reliable Fuel Pump Module Assembly for Buick and Cadillac

The Delphi FG0433 fuel pump module assembly is designed specifically for Buick DTS and Cadillac Lucerne models. This in-tank electric fuel pump ensures consistent fuel delivery and pressure regulation for optimal engine performance.

• 12.0 Volt electric fuel pump with integrated regulator
• Compatible with gasoline fuel systems
• Includes fuel level sender assembly with float arm
• Internal strainer and quick connect outlet for efficient fuel flow
• Standard replacement grade with gasket and seal included
• Blade-type male terminals with four connections
• System pressure rated at 58 psi with maximum pressure of 73 psi
• Average flow rating of 22 gallons per hour and average current draw of 8 amps
• Vapor pressure sensor integrated for emissions control

Technical Details and Features

The Delphi FG0433 fuel pump module assembly operates at 12 volts and is engineered for gasoline fuel systems in Buick DTS and Cadillac Lucerne vehicles. It features a 0.375-inch outlet outside diameter with a quick connect outlet type, facilitating straightforward installation and secure fuel line connection. The pump includes an internal strainer at the inlet to prevent debris from entering the fuel system, enhancing longevity and reliability.

This module comes with a fuel level sender assembly, providing accurate fuel gauge readings. The regulator is integrated to maintain system pressure at 58 psi, with a maximum pressure capacity of 73 psi, ensuring consistent fuel delivery under varying engine demands. The four blade-type male terminals support reliable electrical connections, and the included gasket and seal help prevent leaks during installation.

Compatible Vehicles and Applications

This fuel pump module assembly is compatible with the following vehicles:

• Buick DTS
• Cadillac Lucerne

It is designed as a direct replacement for the original equipment fuel pump module, addressing common fuel delivery issues such as inconsistent fuel pressure, fuel gauge inaccuracies, and pump failure.

Common Issues Addressed by Delphi FG0433

• Engine stalling or hesitation due to fuel starvation
• Erratic or inaccurate fuel level readings
• Fuel pump noise or failure
• Loss of fuel pressure affecting engine performance
• Fuel leaks caused by worn seals or gaskets

Installation Notes and Tips

Installation of the Delphi FG0433 fuel pump module assembly requires removal of the fuel tank. Ensure the vehicle battery is disconnected before beginning work to prevent electrical hazards. Use the included gasket and seal to maintain a proper seal and prevent leaks. Verify that the blade terminals are securely connected and that the quick connect outlet is properly engaged. Follow the vehicle manufacturer’s service manual for detailed removal and installation procedures.

Quality Assurance and Warranty

Delphi fuel pump modules are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This standard replacement part includes a fuel level sender assembly and vapor pressure sensor to maintain system integrity. While specific warranty terms may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship.