Genuine OEM Volkswagen Heat Exchanger Seal, part number 7L0819109. This critical component is designed to create a tight, leak-proof seal around the heat exchanger unit within the HVAC system. It prevents refrigerant or coolant loss and ensures efficient heat transfer. Weighing only 0.007 kg and measuring 0.16m x 0.03m x 0.015m, this seal provides a precise fit. Using a genuine OEM seal guarantees the correct material composition and dimensions for optimal sealing performance and system reliability.