Genuine OEM Audi Engine Coolant Pipe With Hose, part number 4K0121081CT. This component is crucial for the engine cooling system, channeling coolant to various parts of the engine to maintain optimal operating temperatures. It combines rigid piping with flexible hose sections for precise routing and connection. Weighing approximately 0.074 kg and measuring 0.605 m in length, it is designed for durability. Genuine OEM coolant pipes and hoses ensure correct material composition, pressure integrity, and exact fitment, preventing leaks and maintaining cooling system efficiency.