Genuine OEM Audi Coolant Hose with Coupling, part number 8K0121086AB. This hose is designed to carry coolant within the engine's cooling system and features integrated quick-release couplings for secure and efficient connections. Made from durable, heat-resistant rubber and plastic, it weighs approximately 0.162 kg. Using a genuine OEM coolant hose ensures precise routing, resistance to high temperatures and pressures, and reliable, leak-free connections, which are critical for maintaining engine health and preventing overheating.