US Motor Works USEP3956M Fuel Pump Module Assembly

Electric Fuel Pump Module for Chevrolet and GMC

US Motor Works USEP3956M is an electric fuel pump module assembly for select Chevrolet and GMC heavy-duty applications. It includes a tank seal and wiring harness kit, and it is built for direct replacement service on listed C35, C3500, and K3500 models.

The US Motor Works ELECTRIC FUEL PUMP MODULE line focuses on application-specific fuel delivery components for repair work where the in-tank module must be replaced as a unit. USEP3956M is a fitment-based solution for 1998-2000 Chevrolet C35 and 1998-2000 Chevrolet/GMC C3500 and K3500 applications listed below.

Key Features

• Fuel pump module assembly for in-tank fuel delivery service
• Includes tank seal and wiring harness kit
• Direct replacement part for listed Chevrolet and GMC heavy-duty applications
• Cross-references Delphi FG0094 and Spectra Premium SP6153M for the same application
• Part number: USEP3956M

Vehicle Fitment

• Fits 1998-2000 Chevrolet C35, N/A, electric fuel pump module.
• Fits 2000 Chevrolet C3500, N/A, (Exc.Calif); electric fuel pump module.
• Fits 2000 Chevrolet K3500, N/A, (Exc.Calif); electric fuel pump module.
• Fits 1998-1999 Chevrolet K3500, N/A, Radio Frequency Interference Filter (Module Stamped GFP); electric fuel pump module.
• Fits 1999 GMC C3500, N/A, Exc.Calif (Radio Frequency Interference Filter); electric fuel pump module.
• Fits 2000 GMC C3500, N/A, (Exc.Calif); electric fuel pump module.
• Fits 1998-1999 GMC K3500, N/A, Radio Frequency Interference Filter (Module Stamped GFP); electric fuel pump module.
• Fits 2000 GMC K3500, N/A, (Exc.Calif); electric fuel pump module.

Common Repair Uses

• Restores fuel delivery when the in-tank pump module has failed
• Addresses hard-start or no-start conditions tied to fuel pressure loss
• Helps correct intermittent fuel starvation under load
• Replaces a damaged wiring connection at the module
• Supports repair of fuel system leaks at the tank seal area

Installation Notes and Tips

Verify the vehicle’s year, make, model, and emissions notes before ordering, especially California and radio-frequency-interference filter applications. Confirm the module stamping and connector style against the original unit, and inspect the tank opening and sealing surface before installation.

Quality Assurance

US Motor Works supplies application-specific fuel system components for repair use. This module is built as a replacement assembly for the listed Chevrolet and GMC applications and includes the tank seal and wiring harness kit noted by the manufacturer.