Air Conditioner Heater Control Unit 20508582 / 21318121 for Volvo FH12 / FH16 / FM9 / FM12 Trucks (2002–2014) 3611894C92 Service Interval: Replace if vehicle

Service Interval: Replace if vehicle sags overnight

supporting reliable daily engine performance

Configuration: Disc brake pads manufactured to OEM dimensions with steel backing plates and integrated wear indicators

and Weichai trucks

Part Numbers: 22647913 / 21937971 / 21456378 / 21073035 / 20702682

Air Conditioner Heater Control Unit 20508582 / 21318121 for Volvo FH12 / FH16 / FM9 / FM12 Trucks (2002–2014) 3611894C92 Service Interval: Replace if vehicleProduct Overview Part Name: HVAC Control Unit (Combined Switch) Part Number: 20508582 21318121 Vehicle Compatibility: Volvo FH12, FH16, FM9, and FM12 heavy duty trucks equipped with integrated HVAC systems (20022014). Configuration: Combined heater and air conditioning control unit for cabin climate management. Function: Controls heating, cooling, fan speed, and airflow distribution from a single interface. Technical Specifications Type: Truck HVAC