Delphi FG0121 Fuel Pump Module Assembly

Reliable Fuel Pump Module Assembly for Chevrolet and GMC Trucks

The Delphi FG0121 fuel pump module assembly is designed specifically for Chevrolet Silverado 3500 and GMC Sierra 3500 models. This in-tank electric fuel pump ensures consistent fuel delivery and supports optimal engine performance for gas-powered vehicles.

Key Features of Delphi FG0121 Fuel Pump Module

• Outlet outside diameter: 0.375 inches for precise fuel flow connection
• Operates at 13.0 volts with an average current draw of 10 amps
• Designed for gasoline fuel type with a maximum pressure rating of 109 psi
• Includes internal strainer and fuel level sender assembly for accurate fuel monitoring
• Equipped with 4 male blade terminals and quick connect outlet type for easy installation
• Comes with gasket or seal and wire harness with splices for secure fitment
• Standard replacement grade suitable for maintaining factory specifications
• Average flow rating of 22 gallons per hour supports efficient fuel delivery
• System pressure set at 12 psi to match OEM requirements

Detailed Description of the Delphi FG0121 Fuel Pump Module

This Delphi fuel pump module assembly is engineered as a direct replacement for the in-tank fuel pump system in Chevrolet Silverado 3500 and GMC Sierra 3500 trucks. The electric pump operates at 13 volts and delivers a consistent flow rate of 22 gallons per hour, maintaining system pressure at 12 psi. The module includes an internal strainer to prevent debris from entering the fuel system and a fuel level sender assembly to provide accurate fuel gauge readings. The quick connect outlet and blade terminal design simplify electrical and fuel line connections, while the included gasket ensures a proper seal to prevent leaks. This module does not include a regulator or lock ring but is designed to meet the standard replacement requirements for these heavy-duty trucks.

Common Applications and Issues Addressed

• Replacement for failing or noisy fuel pumps in Chevrolet Silverado 3500 and GMC Sierra 3500
• Resolves inconsistent fuel pressure causing engine hesitation or stalling
• Fixes inaccurate fuel level readings due to faulty sender assemblies
• Addresses fuel delivery interruptions caused by clogged strainers or worn components
• Restores proper electrical connections with included blade terminals and wiring harness

Installation Notes and Tips

• Ensure vehicle battery is disconnected before beginning installation to prevent electrical hazards
• Verify compatibility with Chevrolet Silverado 3500 or GMC Sierra 3500 model year before installation
• Use the included gasket or seal to prevent fuel leaks and maintain system integrity
• Handle the fuel level sender assembly carefully to avoid damage during installation
• Check all electrical connections for secure fitment of the 4 blade terminals

Quality Assurance and Warranty Information

The Delphi FG0121 fuel pump module assembly is manufactured to meet OEM standards for durability and performance. It is a standard replacement grade part designed to restore factory fuel delivery specifications. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship to ensure reliability and customer confidence.