Genuine OEM Audi Engine Coolant Hose, part number 4K0121054A. This hose is a critical component in the engine cooling system, responsible for transporting coolant to maintain optimal engine operating temperatures. It is a small, curved hose connecting various cooling lines. Weighing 0.017 kg, this hose is designed for durability and resistance to high temperatures and pressures. Using a genuine OEM hose ensures correct routing, proper fluid resistance, and a leak-free connection for long-term cooling system integrity.

Catalogue entry: HOSE.