Genuine OEM Audi Engine Coolant Hose, part number 4M8121103. This hose is a critical component of the engine cooling system, responsible for transporting coolant to regulate engine operating temperatures. It is a precisely molded component, weighing approximately 0.098 kg. Using a genuine OEM hose ensures correct routing, proper fitment, and resistance to high temperatures and pressures, preventing leaks and maintaining the overall efficiency and reliability of the cooling system.

Catalogue entry: HOSE.