Genuine OEM Nissan EGR Radiator, part number 1473500QAN. This component is part of the Exhaust Gas Recirculation (EGR) system, designed to cool exhaust gases before they are recirculated back into the engine cylinders. This process helps reduce NOx emissions. It is typically located in the exhaust system. Constructed from durable metal for reliable performance and longevity. Genuine OEM parts are manufactured to precise specifications, ensuring correct fitment and optimal performance for emissions control systems.