Genuine OEM Audi Engine Coolant Hose, part number 4G0121109S. This hose is designed to carry engine coolant between various components of the cooling system, facilitating efficient heat transfer and maintaining optimal engine operating temperature. Made from durable, heat-resistant rubber, this small hose ensures a secure and leak-free connection. Choosing a genuine OEM coolant hose guarantees the correct material composition to withstand high temperatures and pressures, along with precise dimensions for a perfect fit and long-term reliability within the cooling system.

Catalogue entry: HOSE left.