Genuine OEM Audi Engine Coolant Pipe, part number 0P2121075E. This pipe is a vital component of the engine cooling system, responsible for transporting coolant between various engine components to maintain optimal operating temperatures. It is precisely routed within the engine bay. Weighing 0.146 kg, this pipe is constructed from durable materials to withstand engine heat and pressure. Using a genuine OEM coolant pipe ensures correct routing, leak-free operation, and long-term reliability of the cooling system.