Genuine OEM Nissan Radiator Hose, part number 217434KJ0C. This hose serves as a vital connection between the radiator and the expansion tank, playing a key role in the engine's cooling system. It facilitates the circulation of coolant and helps regulate system pressure. Constructed from high-quality, heat-resistant rubber, this component is designed for durability and reliable operation under demanding conditions. Genuine OEM radiator hoses are manufactured to precise specifications, ensuring correct routing, proper fit, and resistance to coolant degradation for optimal cooling system performance.