Genuine OEM Audi Coolant Hose with Coupling, part number 4H0121054H. This hose is designed to connect various components within the engine cooling system, facilitating the circulation of coolant to regulate engine temperature. It is typically found connecting to the radiator. Constructed from durable rubber and composite materials, this hose weighs approximately 0.251 kg and measures 0.425 meters in length. Choosing a genuine OEM coolant hose ensures precise fitment, correct routing, and resistance to high temperatures and pressures, preventing leaks and maintaining cooling system reliability.

Catalogue entry: HOSE.