Genuine OEM Volkswagen Coolant Hose, part number 2Q0122049. This hose is designed to transport coolant effectively between various engine components, playing a critical role in regulating the engine's operating temperature. Its construction ensures resistance to high temperatures and the chemical properties of the coolant. Proper flow of coolant is essential for preventing overheating and maintaining engine performance. Genuine OEM parts offer the exact specifications required for reliable and efficient cooling system operation.