Delphi FG0158 Fuel Pump Module Assembly

Reliable Fuel Pump Module Assembly for Chevrolet and GMC Vans

The Delphi FG0158 fuel pump module assembly is designed specifically for Chevrolet Express 3500 and GMC Savana 3500 models. This in-tank electric fuel pump ensures consistent fuel delivery and accurate fuel level readings, supporting optimal engine performance for your gas-powered vehicle.

• Electric fuel pump with 13.0 voltage operation
• Includes internal strainer and fuel level sender assembly
• Compatible with gas fuel systems, designed for in-tank installation
• Quick connect outlet with 0.375 inch outside diameter
• Supports system pressure up to 62 psi and maximum pressure of 109 psi
• Four male blade terminals for secure electrical connections
• Comes with gasket/seal and wire harness with splices for installation
• Includes vapor pressure sensor for accurate fuel system monitoring

Detailed Product Features and Specifications

The Delphi FG0158 fuel pump module assembly is engineered to meet the fuel delivery requirements of Chevrolet Express 3500 and GMC Savana 3500 vans. Operating at 13 volts, this electric pump provides an average flow rating of 24 liters per hour and draws approximately 10 amps of current. The module features an internal strainer inlet and a quick connect outlet with two outlets, each having a 0.375 inch outside diameter, ensuring efficient fuel flow and filtration.

This assembly includes a fuel level sender assembly with resistance values ranging from 40 ohms (empty) to 250 ohms (full), enabling precise fuel gauge readings. The four male blade terminals provide reliable electrical connections, while the included gasket or seal helps maintain a secure fit within the fuel tank. The vapor pressure sensor integrated into the module supports emissions control and fuel system diagnostics.

Applications and Common Issues Addressed

• Replacement for failing or noisy fuel pumps in Chevrolet Express 3500 and GMC Savana 3500
• Resolves inconsistent fuel pressure or delivery problems
• Fixes inaccurate fuel level readings due to faulty sender assemblies
• Addresses fuel system leaks with included gasket/seal
• Improves engine performance by maintaining proper fuel flow and pressure

Installation Notes and Tips

Installation of the Delphi FG0158 fuel pump module assembly requires removal of the fuel tank for in-tank access. Ensure the vehicle’s battery is disconnected before beginning work to prevent electrical hazards. Use the included gasket or seal to prevent leaks and verify that all electrical connections to the four blade terminals are secure and properly insulated. The quick connect outlet simplifies fuel line attachment, but confirm compatibility with existing fuel lines. It is recommended to inspect the fuel tank and clean any debris before installing the new module.

Quality Assurance and Warranty Information

Delphi manufactures the FG0158 as a standard replacement fuel pump module assembly, meeting OEM specifications for Chevrolet and GMC vans. The product includes a fuel level sender assembly and vapor pressure sensor to maintain system integrity. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Always consult the product documentation or supplier for exact warranty terms.