GBR 921-180 Fuel Pump Driver Module

Fuel Pump Driver Module for GM Trucks and Vans

The GBR Pump Mounted Driver 921-180 is a fuel pump driver module for select Chevrolet and GMC applications from 1994-2002. It is built with an updated design that addresses common OE failure points and improves heat dissipation for longer service life.

Compatible With Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, GMC Savana 3500, Chevrolet C/K trucks, Suburban, Tahoe, Yukon, and related GM platforms listed below.

Key Features

• Fuel pump driver module for GM pump-mounted applications
• Updated design to reduce common OE failure modes
• Improved heat dissipation for better durability
• Direct replacement style for listed Chevrolet and GMC vehicles
• GBR Pump Mounted Driver line application

Application Details

Part number 921-180 is used in fuel delivery systems where the pump mounted driver controls fuel pump operation. This module is a fitment-based replacement for many Chevrolet and GMC trucks, vans, SUVs, and commercial models from the mid-1990s through 2002. This part cross-references GM OE numbers 12561590 and 12562836 for the same application.

• Fits 1996-2002 Chevrolet Express 2500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1996-2002 Chevrolet Express 3500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1994-2000 Chevrolet C2500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1994-2000 Chevrolet C3500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1994-2000 Chevrolet K2500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1994-2000 Chevrolet K3500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1996-2000 GMC Savana 2500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1996-2000 GMC Savana 3500, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1995-1999 Chevrolet Tahoe, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver
• Fits 1994-1997 GMC Yukon, N/A; See Technical Bulletin TB-0126-E.; Pump Mounted Driver

Common Problems This Part Can Address

• Intermittent fuel pump operation
• No-start condition caused by pump driver failure
• Fuel delivery loss from heat-related module breakdown
• Hard starting or stalling tied to pump control issues
• Repeated failure of the original pump mounted driver

Installation Notes

Verify the vehicle application against the listed fitment and Technical Bulletin TB-0126-E before installation. Inspect the fuel pump circuit, connectors, and mounting surface for heat damage or corrosion, and confirm the replacement module matches the original pump-mounted configuration.

Quality Assurance

GBR’s premium pump mounted driver uses an updated design focused on reducing common OE failure modes and improving heat dissipation. The 921-180 is built for the listed Chevrolet and GMC applications and is intended as a direct-fit replacement for the original fuel pump driver module.