US Motor Works USEP3631S Fuel Pump Module Assembly

Electric Fuel Pump Module for GM Trucks

US Motor Works USEP3631S is an electric fuel pump module assembly for select Chevrolet and GMC trucks and SUVs from 1987-1991. It includes the tank seal and is built for direct replacement applications where the original in-tank fuel delivery module has failed.

Key Features

• Electric fuel pump module assembly for air and fuel delivery service
• Includes tank seal
• Fits select Chevrolet and GMC R/V-Series trucks and Suburban models
• Direct replacement for applications with matching harness codes or driver side mount configurations
• Cross-references Delphi HP10255 and Spectra Premium SP05M1H for the same application

Fitment Details

• Fits 1989-1991 Chevrolet R3500, driver side mount.
• Fits 1991 Chevrolet V2500 Suburban, driver side mount.
• Fits 1989-1991 Chevrolet V3500, driver side mount.
• Fits 1987-1991 GMC R3500, driver side mount.
• Fits 1987-1991 GMC V3500, driver side mount.
• Fits 1989 Chevrolet R2500, harness code VEE or VEV; electric fuel pump module.
• Fits 1989 Chevrolet R2500 Suburban, harness code VEE or VEV; electric fuel pump module.
• Fits 1989 Chevrolet V2500 Suburban, harness code VEE or VEV; electric fuel pump module.
• Fits 1988-1989 GMC R2500, driver side mount.
• Fits 1988-1989 GMC R2500 Suburban, driver side mount.
• Fits 1988-1989 GMC V2500 Suburban, driver side mount.
• Fits 1988 Chevrolet R20, driver side mount.
• Fits 1988 Chevrolet R20 Suburban, harness code VEE or VEV; electric fuel pump module.
• Fits 1987-1988 Chevrolet R30, driver side mount.
• Fits 1988 Chevrolet V20 Suburban, harness code VEE or VEV; electric fuel pump module.
• Fits 1987-1988 Chevrolet V30, driver side mount.
• Fits 1987 Chevrolet R10, harness code VEE or VEV; electric fuel pump module.
• Fits 1987 Chevrolet R20, harness code VEE or VEV; electric fuel pump module.
• Fits 1987 Chevrolet V10, harness code VEE or VEV; electric fuel pump module.
• Fits 1987 Chevrolet V20, harness code VEE or VEV; electric fuel pump module.
• Fits 1987 GMC R1500, harness code VEE or VEV; electric fuel pump module.
• Fits 1987 GMC R2500, harness code VEE or VEV; electric fuel pump module.
• Fits 1987 GMC V1500, harness code VEE or VEV; electric fuel pump module.
• Fits 1987 GMC V2500, harness code VEE or VEV; electric fuel pump module.

What It Helps Fix

• Hard starting caused by a weak or failed in-tank fuel pump
• Fuel starvation under load or at higher demand
• Intermittent stalling related to fuel delivery loss
• Low fuel pressure that affects drivability
• Noise or inconsistent operation from a worn pump module

Installation Notes

Verify the vehicle year, make, model, and the listed harness code or driver side mount requirement before ordering. This part number, USEP3631S, is intended for specific Chevrolet and GMC applications, including R3500, V3500, and related Suburban models. Inspect the tank sealing surface and replace any damaged components during service to help ensure a proper seal.

Quality Assurance

US Motor Works supplies this electric fuel pump module as a direct replacement part for the listed GM applications. The module is identified as USEP3631S and is cataloged for 1987-1991 Chevrolet and GMC fuel system service.