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Electronic actuator for the heater blower unit on Audi A6 (C5, 1997–2005). This Bosch unit drives the blend door or temperature flap inside the HVAC module, controlling warm and cool air flow. OEM part numbers 4B1820511, 4B1820511A, 0132801126, 0132801127, and MF1168800540 all fit this application. Check connector condition and mechanical play before ordering.
Electronic actuator for the heater blower unit on Audi A6 (C5, 1997–2005). This Bosch unit drives the blend door or temperature flap inside the HVAC module, controlling warm and cool air flow. OEM part numbers 4B1820511, 4B1820511A, 0132801126, 0132801127, and MF1168800540 all fit this application. Check connector condition and mechanical play before ordering.
