Delphi FG1746 Fuel Pump Module Assembly

Delphi Fuel Pump Module Assembly Overview

The Delphi FG1746 fuel pump module assembly is designed for reliable fuel delivery in select Chevrolet and GMC heavy-duty trucks. Engineered to meet the demands of Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models, this in-tank electric fuel pump ensures consistent performance and fuel efficiency.

• 12.0 Volt electric fuel pump with integrated fuel level sender assembly
• Compatible with gasoline fuel systems
• Maximum pressure rating of 62 psi with a system pressure of 58 psi
• Includes regulator, internal strainer, and gasket/seal for secure installation
• Features quick connect outlet with 0.375 inch outside diameter and three outlet ports
• Blade-type male terminals with four terminal quantity for electrical connections
• Average flow rating of 26 and average current draw of 14 amps
• Includes vapor pressure sensor for accurate fuel system monitoring

Technical Details and Features

The Delphi FG1746 fuel pump module assembly is an electric in-tank pump designed specifically for gasoline-powered Chevrolet and GMC heavy-duty trucks. It features an internal strainer inlet type and includes a strainer to prevent debris from entering the fuel system. The module comes with a fuel level sender assembly, allowing accurate fuel gauge readings. The regulator is integrated to maintain consistent fuel pressure, rated up to 62 psi, supporting optimal engine performance. Electrical connections utilize four male blade terminals, ensuring secure and reliable power delivery. The quick connect outlet type with three outlets and a 0.375 inch outside diameter facilitates straightforward installation and compatibility with factory fuel lines.

Compatible Vehicles and Applications

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

• Chevrolet Sierra 2500 HD
• Chevrolet Sierra 3500 HD
• GMC Sierra 2500 HD
• GMC Sierra 3500 HD
• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 3500 HD

It is designed to replace the original fuel pump module in these heavy-duty trucks, ensuring proper fuel delivery and system pressure for gasoline engines.

Common Issues Addressed by the Delphi FG1746

• Fuel delivery interruptions causing engine stalling or hesitation
• Inaccurate fuel level readings due to faulty sender assembly
• Low fuel pressure affecting engine performance and efficiency
• Fuel pump noise or failure from worn internal components
• Contaminated fuel flow due to clogged or damaged strainers

Installation Notes and Tips

Installation of the Delphi FG1746 fuel pump module assembly requires removal of the fuel tank to access the in-tank pump. Ensure the gasket or seal included is properly seated to prevent fuel leaks. Verify electrical connections match the four blade-type male terminals for secure attachment. The quick connect outlet ports simplify fuel line connections but confirm compatibility with existing fuel lines. Follow all safety precautions when working with fuel systems, including depressurizing the fuel system before removal. Refer to the included instruction sheet for detailed installation guidance.

Quality Assurance and Warranty

Delphi provides this fuel pump module assembly as a standard replacement part, manufactured to meet OEM specifications for fit, form, and function. The product includes a fuel level sender assembly and vapor pressure sensor to maintain system accuracy. While specific warranty details are not provided here, Delphi parts typically come with a limited warranty covering defects in materials and workmanship. It is recommended to verify warranty terms with the parts distributor or installer.