HVAC Blend Door Actuator. HVAC Actuator. 2005-2007 Ford F-250 Super Duty Engine: 5.4L V8; Blend Door Actuator; w/ Manual AC;. 1999-2003 Ford F-250 Super Duty Engine: 7.3L V8; Air Door Actuator;. 2005-2007 Ford F-250 Super Duty Engine: 6.0L V8; Blend Door Actuator; w/ Manual AC;.