Dorman 604-933 HVAC Blend Door Actuator - Main

Dorman HVAC Blend Door Actuator for Jeep TJ and Wrangler

This Dorman HVAC blend door actuator is built for specific Jeep TJ and Jeep Wrangler applications that use a main recirculation actuator. It is a direct-fit replacement for restoring proper HVAC door movement when the original unit wears out or stops responding.

• Rotary switch activation type for controlled blend door movement
• Plastic housing construction
• Direct replacement for the main recirculation actuator on listed Jeep applications
• Matches the quality and performance profile of the original actuator on supported vehicles
• Part number 604-933 for easy identification

Detailed Product Overview

Dorman 604-933 is an HVAC heater blend door actuator engineered for specific Jeep TJ and Jeep Wrangler models. It operates the HVAC blend or recirculation door through a rotary-style activation design, helping restore correct airflow routing inside the climate control system. This part cross-references 5073173AA and APBDA0331 for the same application. Use 604-933 when replacing a failed actuator on Jeep TJ and Wrangler vehicles listed below.

Vehicle Fitment

• Fits 2002-2006 Jeep TJ, Main; Recirculation
• Fits 1998-1999 Jeep TJ, Main; Recirculation
• Fits 1998-2006 Jeep Wrangler, Main; Recirculation

Common Problems This Part Addresses

• HVAC air not switching correctly between recirculation and outside air
• Blend door movement that is slow, inconsistent, or unresponsive
• Temperature or airflow routing that does not match the control setting
• Clicking or repeated actuator noise from the HVAC housing
• Loss of proper cabin air control in Jeep TJ or Jeep Wrangler models

Installation Notes and Tips

Confirm the vehicle year, model, and HVAC configuration before installation. This actuator is listed for the main recirculation position on the specified Jeep applications, so matching the original part location is important. Inspect the blend door and HVAC linkage area for binding or damage before installing the replacement actuator.

Quality Assurance

Dorman states that this HVAC heater blend door actuator is precision-engineered to match the quality and performance of the original actuator on specific vehicle years, makes, and models. Part number 604-933 is built as a direct replacement for the listed Jeep TJ and Jeep Wrangler applications.