Shop Audi A5 Valve. Control. Solenoid. Heater Control Valve - Repair or Replace A heater control Auxiliary, GAS, RETURN - OEM Audi Part # 4H0121671D (4H0-121-671-D, 4H0121671B)

A Valve used to Control the flow of engine coolant to the heater core. Automatic Transmission Oil Cooler Control Valve. HVAC Heater Control Valve Solenoid. To Auxiliary Radiator Hose. Automatic Transmission Oil Cooler. HVAC Heater. Water Hose. Included with: Hose assembly.

Automatic Transmission Oil Cooler Control ValveHVAC Heater Control Valve SolenoidHVAC Heater Control Valve

Heater Control Valve - Repair or Replace
A heater control valve diverts hot water (coolant, or antifreeze) from the radiator into the heater core in your vehicle’s cabin, resulting in soothing warm air. If your heat has stopped working, your may require a replacement heater control valve.