Genuine OEM SEAT Hot Exchanger Clip, part number 2Q0820536A. This clip is a small but vital component used to securely fasten the hot exchanger (also known as the heater core or evaporator depending on context within the HVAC system) in place. Its precise design ensures a snug fit, preventing vibration and maintaining the integrity of the HVAC system. Genuine OEM clips are made from durable materials that resist heat and corrosion, ensuring long-term reliability and proper functioning of the heating and air conditioning system.