SKP SK604136 HVAC Blend Door Actuator - Left Main or Main

HVAC Blend Door Actuator for GM Vans

SKP SK604136 is an HVAC blend door actuator for the main temperature door on select Chevrolet Express and GMC Savana vans. It restores temperature control by moving the blend door to direct heated or cooled air through the HVAC system.

Key Features

• HVAC blend door actuator for main temperature control
• Direct replacement for select Chevrolet Express and GMC Savana applications
• Compatible with 2003-2023 Chevrolet Express 2500 and Express 3500
• Compatible with 2003-2023 GMC Savana 2500 and Savana 3500
• Compatible with 2003-2014 Chevrolet Express 1500 and GMC Savana 1500
• Cross-references Dorman OE Solutions 604-136 for the same application

Detailed Description

This SKP HVAC blend door actuator, part number SK604136, is used on the main temperature circuit in Chevrolet Express and GMC Savana vans. It is a fitment-based replacement for vehicles across the 2003-2023 model years, including Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500, plus 2003-2014 Express 1500 and Savana 1500 applications. The SK604136 helps restore proper blend door movement so the HVAC system can deliver the selected cabin temperature.

What It Helps Solve

• Air stuck on hot or cold
• Inconsistent cabin temperature control
• HVAC temperature changes that do not respond to the control head
• Blend door movement issues in the main temperature circuit
• Loss of proper air mixing inside the HVAC housing

Installation Notes and Tips

Verify the vehicle year, make, model, and main temperature position before ordering. Compare the original actuator connector, mounting points, and HVAC location to the removed part to confirm a proper match. After installation, cycle the ignition and temperature controls to allow the HVAC system to relearn actuator position if required by the vehicle.

Quality Assurance

SKP replacement parts are built for direct-fit service on listed applications. This part number, SK604136, is cataloged for confirmed fitment on the Chevrolet Express and GMC Savana platforms shown above.