Genuine OEM Audi Engine Coolant Pipe, part number 4H0121399G. This pipe is an integral part of the engine cooling system, responsible for transporting vital coolant to regulate engine temperature and prevent overheating. It is positioned on the left side of the engine bay, connecting various hoses within the cooling circuit. This lightweight component, weighing approximately 0.081 kg, is engineered for durability and resistance to the high temperatures and pressures of the cooling system. Using a genuine OEM coolant pipe ensures correct routing, leak-free connections, and long-term reliability for efficient engine cooling.

Catalogue entry: WATER PIPE left.