Two blend door actuators are typical in a Chrysler 300 that has dual-zone climate control.
HVAC system overview in the Chrysler 300
The Chrysler 300’s heating, ventilation, and air conditioning (HVAC) box uses blend doors to mix hot and cold air and direct it to different parts of the cabin. The exact number of blend door actuators depends on the climate control configuration (single-zone vs. dual-zone). In dual-zone systems, there are separate blend doors and actuators for the driver and passenger sides, allowing independent temperature settings. In single-zone setups, there is usually a single blend door actuator handling both sides.
Two actuators in a typical dual-zone setup
Below are the components most commonly found when the vehicle is equipped with dual-zone automatic climate control:
- Driver-side blend door actuator
- Passenger-side blend door actuator
In summary, the standard dual-zone Chrysler 300 configuration uses two blend door actuators—one for each side of the cabin. If your model uses a single-zone climate control, you would typically have one blend door actuator.
Summary
For most Chrysler 300s with dual-zone climate control, there are two blend door actuators, one on the driver’s side and one on the passenger’s side. Single-zone configurations generally use one blend door actuator. Always verify your exact year and trim for precise specifications.