Delphi FG1858 Fuel Pump Module Assembly

Reliable Fuel Pump Module Assembly for Buick, Chevrolet, and Pontiac

The Delphi FG1858 fuel pump module assembly is designed to provide consistent fuel delivery for select Buick, Chevrolet, and Pontiac models. Engineered for gas-powered vehicles, this in-tank electric fuel pump module ensures proper fuel pressure and flow to maintain engine performance.

Key Features of the Delphi FG1858 Fuel Pump Module

• 12.0 Volt electric fuel pump with an average current draw of 11 amps
• Includes fuel level sender assembly with float arm for accurate fuel gauge readings
• Maximum pressure rating of 65 psi and system pressure of 58 psi for stable fuel delivery
• Internal strainer and included external strainer for effective fuel filtration
• Quick connect outlet type with 0.375 inch outside diameter for easy installation
• Blade-type male terminals with four connections for secure electrical fitment
• Comes with gasket/seal and instruction sheet for proper installation
• Standard replacement grade suitable for Buick Grand Prix, Chevrolet Impala, and Pontiac LaCrosse

Detailed Description of the Delphi FG1858 Fuel Pump Module

This Delphi fuel pump module assembly (part number FG1858) is an electric in-tank pump designed specifically for gas-fueled Buick Grand Prix, Chevrolet Impala, and Pontiac LaCrosse models. It features a built-in fuel level sender assembly with a float arm, providing accurate fuel level readings. The pump operates at 12 volts and delivers an average flow rating of 34 gallons per hour, maintaining system pressure at 58 psi with a maximum pressure capacity of 65 psi. The internal strainer and included external strainer help prevent contaminants from entering the fuel system, protecting engine components. The quick connect outlet with a 0.375 inch outside diameter simplifies connection to the fuel lines, while the blade-type male terminals with four connections ensure reliable electrical contact. This module comes with a gasket/seal to prevent leaks and an instruction sheet to assist with installation.

Common Applications and Issues Addressed

• Replacement for failing or noisy fuel pumps in Buick Grand Prix, Chevrolet Impala, and Pontiac LaCrosse
• Resolves inconsistent fuel pressure causing engine hesitation or stalling
• Fixes inaccurate fuel gauge readings due to faulty fuel level sender assembly
• Addresses fuel delivery interruptions caused by clogged or damaged strainers
• Prevents fuel leaks with included gasket/seal for secure installation

Installation Notes and Tips

• Ensure vehicle compatibility with Buick Grand Prix, Chevrolet Impala, or Pontiac LaCrosse before installation
• Disconnect the battery and relieve fuel system pressure prior to removal of the old fuel pump module
• Handle the fuel pump module carefully to avoid damage to the float arm and electrical terminals
• Use the included gasket/seal to prevent fuel leaks and ensure a proper seal
• Follow the instruction sheet closely for correct wiring and connection of the blade terminals and quick connect outlets

Quality Assurance and Warranty Information

The Delphi FG1858 fuel pump module assembly is manufactured to meet standard replacement grade specifications, ensuring reliable performance and durability. Delphi products undergo rigorous testing to comply with OEM standards. While specific warranty details may vary, Delphi typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation or Delphi’s official resources for exact warranty terms.