Genuine OEM Volkswagen Auxiliary Air Heater Element, part number 1K0963235E. This component is an electrical heating element designed to provide supplementary warmth to the vehicle's cabin, often used to quickly heat the interior before the engine reaches operating temperature or to assist the main heating system. It is integrated into the vehicle's HVAC system, typically behind the dashboard. The element features a finned metal core for efficient heat transfer, with plastic end caps and electrical connectors. It weighs approximately 0.911 kg and measures 0.267m x 0.181m x 0.047m. Opting for a genuine OEM heater element ensures correct electrical compatibility, heat output, and durability, preventing issues like insufficient heating or electrical malfunctions.