Designed to restore proper HVAC operation, the Dorman HVAC heater blend door actuator 604-045 is a main-position mode air door actuator that drives an air door inside your vehicle's heating and air conditioning system. It fits many vehicles, among them the 2011-2013 Jeep Grand Cherokee, 2011-2013 Dodge Durango and 2013-2025 Kenworth T680. See the Buyer's Guide tab for the full list.
Dorman lists this part as both a blend door actuator and a mode air door actuator. This Dorman blend door actuator is engineered to drop in like the original on the listed applications.
- Direct replacement: Built to take the place of the original air door actuator on the listed years, makes, models and configurations.
- Position specific: Vehicles often use several HVAC door actuators, each with its own location and job. This unit is for the main position, so review its application notes to confirm it matches the one you are replacing.
- Durable construction: Designed and tested to strict standards to help resist wear and electrical burnout, for reliable operation and long service life.
- Trustworthy quality: Supported by Dorman's team of experts and engineers in the United States and more than a century of experience.
Signs this part may need replacing include a clicking or tapping sound from behind the dash, air coming from the wrong vents, or airflow that won't switch between modes. If a failed actuator is the cause, this Dorman air door actuator replaces it. If you don't know which actuator position you need, consult a qualified service technician.
Interchange: 577.75634
57775634 · APBDA0025 · ADS149 · ADS199 · G04027 · 545250008 · 68079488AA · 68079488AB · DA1027 · ADA239 · ADA509 · T6892001 · T6892003 · SK604045 · ADR149 · ADR199 · F04072
This part cross-references / interchanges with the following part numbers:
APBDA0025, 577.75634, ADS149, ADS199, G04027, 545250008, 68079488AA, 68079488AB, DA1027, ADA239, ADA509, T6892001, T6892003, SK604045, ADR149, ADR199, F04072
