Delphi FG1057 Fuel Pump Module Assembly

Delphi Fuel Pump Module Assembly Overview

The Delphi FG1057 fuel pump module assembly is designed for reliable fuel delivery in select Chevrolet and GMC trucks and SUVs. Engineered as an in-tank electric fuel pump, it supports flex fuel applications and includes essential components for efficient operation.

• Compatible with Chevrolet Silverado 1500, GMC Sierra 1500, and Yukon XL 1500 models
• Operates at 13.0 volts with a maximum pressure of 78 psi
• Includes regulator, internal strainer, and fuel level sender assembly
• Features 4 male blade terminals and quick connect outlet type
• Comes with gasket/seal and instruction sheet for installation

Technical Specifications and Features

The Delphi FG1057 fuel pump module assembly is an electric pump designed for in-tank installation, providing an average flow rating of 20 gallons per hour and maintaining system pressure at 73 psi. It supports flex fuel types and includes a vapor pressure sensor for accurate fuel system monitoring. The unit features a 0.375-inch outlet outside diameter with three outlets using quick connect fittings. The internal strainer and regulator are included to ensure clean fuel delivery and pressure regulation. The pump operates with an average current draw of 11 amps and has resistance values of 250 ohms when empty and 40 ohms when full, ensuring proper electrical performance.

Applications and Problem Resolution

This fuel pump module assembly is compatible with specific Chevrolet and GMC vehicles, including Silverado 1500, Sierra 1500, and Yukon XL 1500 models. It is designed to address common fuel delivery issues such as:

• Intermittent or no fuel delivery causing engine stalling or failure to start
• Fuel pressure inconsistencies affecting engine performance
• Faulty fuel level sending unit readings
• Contaminated fuel supply due to damaged or clogged strainers
• Electrical connection failures from worn or corroded terminals

Installation Notes and Tips

When installing the Delphi FG1057 fuel pump module assembly, ensure the vehicle is properly depressurized and the battery is disconnected to prevent electrical hazards. The included gasket/seal should be replaced to maintain a secure and leak-free fit. Verify the orientation of the float arm and fuel level sender assembly for accurate fuel gauge readings. Use appropriate tools for the quick connect outlets and blade terminals to avoid damage. Follow the instruction sheet carefully for torque specifications and connection procedures.

Quality Assurance and Warranty

Delphi fuel pump modules are manufactured to meet OEM standards for fit, form, and function. The FG1057 part number undergoes rigorous testing to ensure durability and consistent performance in Chevrolet Silverado 1500, GMC Sierra 1500, and Yukon XL 1500 vehicles. This standard replacement grade component includes a warranty that covers defects in materials and workmanship, providing confidence in its reliability for your fuel delivery system.