US Motor Works USEP3943M Fuel Pump Module Assembly

Electric Fuel Pump Module for GM Applications

US Motor Works USEP3943M is an electric fuel pump module assembly for select Chevrolet, GMC, and Isuzu applications. It includes a tank seal and wiring harness kit, and it is built for vehicles that need a direct replacement fuel delivery module.

This electric fuel pump module line is focused on complete in-tank fuel delivery service for GM compact truck applications, including Chevrolet S10 and GMC Sonoma platforms.

• Fuel pump module assembly for in-tank fuel delivery service
• Includes tank seal and wiring harness kit
• Direct replacement for select Chevrolet, GMC, and Isuzu applications
• Cross-references Airtex E3943M and Delphi FG0069 for the same application
• Part number: USEP3943M

Fitment Details

• Fits 1998-2005 Chevrolet LUV, N/A
• Fits 1997-2000 Chevrolet S10, N/A
• Fits 1997-2000 GMC Sonoma, N/A
• Fits 1997-2000 Isuzu Hombre, N/A
• Fits 1990-1993 Chevrolet S10, N/A
• Fits 1990 GMC S15, N/A

Common Fuel Delivery Issues

• Hard starting caused by a failing in-tank fuel pump module
• Engine stalling from inconsistent fuel supply
• Low fuel pressure affecting drivability and throttle response
• Fuel delivery interruption on Chevrolet S10, GMC Sonoma, and Isuzu Hombre models
• Electrical connection problems at the pump module harness

Installation Notes

Verify the vehicle year, make, and model before ordering. Confirm tank access, connector style, and fuel system configuration against the original module. Follow proper fuel system safety procedures and relieve fuel pressure before service.

Quality Assurance

US Motor Works supplies fuel system components for replacement service, and this module is packaged with the tank seal and wiring harness kit specified by the manufacturer.