Genuine OEM Audi Coolant Hose, part number 4H0121059H. This hose is an essential part of the engine cooling system, responsible for transferring coolant between various engine components to maintain optimal operating temperatures. The diagram shows it connecting to a cooler assembly. Weighing approximately 0.241 kg and measuring 0.52 m in length, this hose is constructed from durable rubber. Choosing a genuine OEM hose ensures precise fitment, proper routing, and resistance to high temperatures and pressures, which are vital for the longevity and efficiency of the cooling system.

Catalogue entry: HOSE.