Genuine OEM Volkswagen Coolant Hose, part number 1C0122101BF. This hose transports coolant within the engine cooling system, facilitating heat exchange and maintaining optimal engine operating temperature. This durable rubber hose features an integrated plastic quick-connect fitting, weighs 0.31 kg, and measures 0.435 m in length. Genuine OEM hoses ensure precise fitment, correct material composition for coolant resistance, and durability under engine bay temperatures and pressures, preventing leaks and system failures.