HVAC Heater Blend Door Actuator controls the flow and temperature of air into the interior of the vehicle. SKP offer you a good choice, Engineered with robust materials to improve durability and performance, SKP's HVAC Heater Blend Door Actuators restore and maintain proper functioning of the HVAC Heater Blend Door. SKP heater blend door actuator undergo the same stringent testing process as the original part for excellent quality and reliability.