This is an AC door control motor, an HVAC air door actuator used to position blend/mode doors in the cab climate control system. It directly interchanges with International 3542575C, 3542575C1, 3542575C2, and 3542-575-C, making it a straightforward replacement for trucks originally fitted with those International actuators.FeaturesHVAC air door actuator / AC door control motorInterchanges with International 3542575C, 3542575C1, 3542575C2, 3542-575-CDirect replacement for listed International actuators