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The Gates heater control valve for 2000–2006 Mercedes‑Benz S430 4.3L applications is an electric coolant valve designed for the S430 heater system. Intended for that model range, it routes coolant under electrical control to the heater circuit and helps restore proper cabin heating and HVAC operation after a valve malfunction.
Gates 00-06 Mercedes-Benz S430 V-8 4.3L Heater Control Valve Electric Coolant Valve
