Genuine OEM Audi Engine Coolant Hose, part number 4M0121036G. This hose is a vital component of the engine cooling system, specifically designed to transport coolant to the oil cooler. It plays a key role in regulating engine oil temperature, which is essential for engine longevity and performance. Choosing a genuine OEM coolant hose ensures precise fitment, optimal routing, and resistance to the high temperatures and pressures encountered in the cooling system, preventing leaks and maintaining efficient thermal management.

Catalogue entry: HOSE.