Dorman 599-294 HVAC Control Module - Front

Dorman 599-294 HVAC Control Module

Restore manual climate control operation with this Dorman HVAC control module. Built as a fully tested replacement for the original unit, Dorman 599-294 helps bring back dependable blower, temperature, and mode control in supported Chevrolet Express and GMC Savana applications.

• Manual control type for vehicles equipped without automatic temperature control
• Fully tested replacement module for direct swap service
• No programming required after installation
• 5 connectors, 17 terminals, male connector and terminal design
• Bolt-on mounting with black and white housing
• Package contents: 1 HVAC control module

Vehicle Fitment

• Fits 2001-2021 Chevrolet Express 2500, front
• Fits 2001-2021 Chevrolet Express 3500, front
• Fits 2001-2021 GMC Savana 2500, front
• Fits 2001-2021 GMC Savana 3500, front
• Fits 2001-2014 Chevrolet Express 1500, front
• Fits 2001-2014 GMC Savana 1500, front
• Fits 2001-2002 Chevrolet G30, front
• Fits 1996 Chevrolet G30, front
• Fits 1996 GMC G3500, front

Detailed Description

Dorman 599-294 is a manual HVAC control module replacement for front-mounted climate control systems in select Chevrolet Express, GMC Savana, Chevrolet G30, and GMC G3500 vehicles. It is designed for vehicles that do not use automatic temperature control and installs with a bolt-on design using the existing connector layout. This part number 599-294 is a direct-fit service solution for restoring factory-style HVAC control function without additional programming.

This part cross-references OE numbers such as 9375785 and 15773677 for the same application. For buyers searching for a 2001-2021 Chevrolet Express 2500 HVAC control module or a 2001-2021 GMC Savana 3500 climate control replacement, Dorman 599-294 is built around the original manual control configuration.

Common Problems It Can Help Solve

• Loss of blower speed control
• Temperature knob or slider not responding
• Mode selection not changing air direction
• Intermittent or failed front HVAC controls
• Broken or worn original climate control module

Installation Notes and Quality Assurance

Installation is straightforward for vehicles with the matching manual HVAC setup: verify connector count, terminal layout, and front-position fitment before removal of the original module. No programming is required, and no instruction manual is included. Confirm the vehicle uses manual climate controls and not automatic temperature control before ordering.

Dorman supplies this replacement module as a fully tested part for dependable service in supported Chevrolet Express and GMC Savana applications. Use the OE cross-reference numbers and fitment details above to confirm application before installation.