Four Seasons performs thorough testing to ensure every blend air door actuator we offer matches O.E. fit and performance.

Testing Includes: 

  • Function
    • Voltage Signal Input/Output: Directional or Operational
    • Operational Range
  • Critical Dimensions 
    • Mounting Configuration
    • Drive Mating/Orientation
  • Connector Fitment with O.E. Harness
  • Endurance Testing
    • 5,000 Full-Range Cycles


Did You Know?

Typically, vehicles have 3 or 4 blend air door actuators. Vehicles with rear controlled HVAC will often have additional blend air door actuators to control the auxiliary unit, bringing the total per vehicle to as many as 6 separate blend air door actuators.