US Motor Works USEP3688M Fuel Pump Module Assembly

Electric Fuel Pump Module for GM and Isuzu

US Motor Works USEP3688M is an electric fuel pump module assembly for select Chevrolet Colorado, GMC Canyon, and Isuzu i-Series trucks. It includes the tank seal and is built for in-tank fuel delivery applications where the pump module and sending unit are serviced together.

Key Features

• Electric fuel pump module assembly for in-tank installation
• Includes tank seal
• Direct replacement style for select Chevrolet Colorado and GMC Canyon applications
• Also fits select Isuzu i-280, i-350, i-290, and i-370 models
• Cross-references Airtex E3688M, Delphi FG0435, and Spectra Premium SP6435M

Product Details

This US Motor Works electric fuel pump module, part number USEP3688M, is intended for vehicles that use an in-tank fuel pump module assembly with the fuel tank sending unit integrated into the serviceable unit. It is listed for 2006-2008 Chevrolet Colorado and 2006-2008 GMC Canyon, plus 2006-2008 Isuzu i-290 and i-370, and 2006 Isuzu i-280 and i-350. The module is a practical OE-style replacement when servicing fuel delivery on these trucks.

This part cross-references Airtex Fuel Pumps E3688M and Delphi FG0435 for the same application.

Common Issues This Part Can Address

• Hard starting caused by weak fuel pressure
• Engine stalling from inconsistent fuel delivery
• Fuel gauge errors related to the sending unit assembly
• Loss of power under load from a failing in-tank pump module
• No-start conditions tied to pump or module failure

Installation Notes and Tips

• Verify the vehicle year, make, and model before ordering.
• Confirm tank access and fuel system configuration match the original module.
• Replace the tank seal during service, as included with this assembly.
• Follow fuel system depressurization procedures before removal.
• Inspect electrical connectors and fuel lines for wear before reassembly.

Quality Assurance

US Motor Works markets this part as an electric fuel pump module line component for fuel system service. Part number USEP3688M is cataloged for select Chevrolet Colorado, GMC Canyon, and Isuzu i-Series applications to support accurate replacement selection.