VEHICLE COMPATIBILITY:for Toyota Avalon 2020-2021for Toyota Camry 2018-2021for Toyota RAV4 2019-2022 Product Specifications:OE Number:16671-25010/1667125010 Material: Plastic, Metal Color: Gray Package Content: 1 Pc Heater Control ValveHeater Control Valve Function:Temperature Regulation: Controls the flow of coolant to adjust the heating intensity of the HVAC system. When temperatures are low, the valve opens to allow hot water into the heater core, raising cabin temperature. When temperatures are high, the valve closes to prevent overheating.Defrosting & Defogging: During humid seasons (winter/spring), it facilitates warm air flow to reduce frost or fog on windows, improving driving safety.
