Genuine OEM Volkswagen Coolant Hose, part number 5C0121096C. This hose transports coolant to and from the engine to prevent overheating. It is located at position 31 in the cooling system assembly. Constructed from high-quality rubber, this hose is designed to withstand high temperatures and pressures. Genuine OEM hoses ensure correct routing and material durability, vital for preventing leaks and maintaining engine cooling efficiency.