This HVAC Blend Door Actuator is designed to control the heater blend door in your vehicle's air conditioning and heating system. It is a high-quality replacement part made by Dorman (OE Solutions) with a manufacturer part number of 604-228. This actuator is specifically designed for use in cars and trucks and is easy to install. The Dorman 604-228 HVAC Blend Door Actuator is a reliable and durable replacement part that is ideal for restoring the functionality of your vehicle's heating and air conditioning system. With its precise design and easy installation, this actuator is a great choice for anyone looking to replace their damaged or worn-out HVAC vent actuator.