Genuine OEM Volkswagen Coolant Hose, part number 03L121063H. This durable EPDM rubber hose is designed to transport coolant efficiently and reliably throughout the engine cooling system, maintaining optimal engine operating temperatures. Its specific elbow shape ensures correct routing and connection within the engine bay. Made from high-quality EPDM rubber, this genuine OEM hose offers superior resistance to heat, pressure, and coolant chemicals, preventing leaks and ensuring the longevity of the cooling system.