Genuine OEM Mini Engine Coolant Hose, part number 17122754231. This hose transports coolant to and from the engine, playing a critical role in maintaining optimal engine operating temperatures. It is positioned within the engine cooling system. Made from durable rubber, it is designed to withstand high temperatures and pressures. Genuine OEM hoses are manufactured to exact specifications, ensuring proper fitment and resistance to degradation, which is vital for the longevity and efficiency of your cooling system.