Santech MT18689 HVAC Heater Blend Door Actuator

The Santech MT18689 is a passenger side HVAC heater blend door actuator designed to restore proper climate control function in your vehicle's heating and air conditioning system. This mode door actuator mounts to the main HVAC unit and controls airflow direction within the plenum system.

Key Features:

• High-strength nylon gears with superior lubricant coating for extended durability
• Heavy-duty motor with redesigned circuit board to prevent burnout
• Passenger side mode door actuator
• Direct OEM fit, form, and function for reliable installation
• Engineered to restore proper HVAC airflow control
• Includes 24-month or 24,000-mile limited warranty

Santech actuator motors are engineered with improved components compared to standard replacement parts, providing more durable service life within the HVAC plenum system. When your blend door actuator fails, symptoms include improper temperature control, stuck airflow direction, or clicking noises from the dashboard. This replacement actuator restores proper operation of your climate control system without the cost of a dealer part.