Freightliner A22-38941-000 Junction Block HVAC

The Freightliner A22-38941-000 Junction Block A HVAC is an OEM air conditioning junction block designed to connect and route refrigerant lines within the HVAC system of Freightliner heavy-duty trucks. Specifically configured for conventional Freightliner models without auxiliary HVAC, it provides a secure junction between A/C components to ensure proper refrigerant flow and reliable cabin cooling. This bolt-on, aluminum alloy junction block serves as a direct OEM replacement for Freightliner conventional configurations in heavy-duty truck air conditioning systems. Its function is to connect refrigerant lines between major A/C components, supporting efficient cooling performance and enabling repair, retrofit, or replacement by maintenance technicians and fleet service professionals.