The Heater Control Valve is a high-quality replacement part suitable for Volkswagen vehicles, specifically designed to fit the OE 4H0 121 671 D model. Manufactured by Febi, this valve is 45mm in height, 100mm in length, and 91mm in width, with a weight of 353g. This valve is essential for controlling the heating and cooling systems in your vehicle, ensuring optimal performance and comfort while driving.