Genuine OEM Volkswagen Heater Core, part number 561819031C. This heat exchanger transfers thermal energy from the engine's hot coolant to the cabin air, providing warmth for the vehicle's interior. It is designed for Left Hand Drive (LHD) vehicle configurations and is typically located within the dashboard assembly. Weighing 0.789 kg and measuring 0.245 meters in length, it is a compact and efficient unit. Choosing a genuine OEM heater core ensures precise fitment, optimal heat transfer efficiency, and leak-free operation for reliable cabin heating.