Genuine OEM Volkswagen Heater Coolant Clip, part number 7L0819055B. This small but crucial component is designed to securely fasten coolant hoses within the vehicle's heating system. Its precise fit ensures that hoses remain properly routed and connected, preventing accidental disconnections or leaks. Using a genuine OEM clip guarantees the correct material composition and clamping force, maintaining the integrity of the coolant system and preventing potential damage from hose movement or detachment.