Genuine OEM Volkswagen Auxiliary Heater Bush, part number 7E0819137. This small but essential bush is designed to provide support, dampen vibrations, and insulate the auxiliary heater unit from its mounting structure. It helps to reduce noise and prevent wear on components. Weighing only 0.0063 kg, this bush is made from resilient material. Choosing a genuine OEM bush ensures the correct material hardness and dimensions for effective vibration isolation and secure mounting, which is critical for the longevity and quiet operation of the auxiliary heating system.