This Four Seasons 73123 HVAC Blend Door Actuator replaces ACDelco 1712234, ACDelco 604021, ACDelco 604024, ACDelco 604049, ACDelco G04028, Global Parts Distributors LLC 1712234, Dorman 604021, Dorman 604024, Dorman 604049, TechSmart G04028, OEM parts and is perfect for replacement or a performance upgrade. .
