The OEM Ducati Monster S4R S4RS S4RT S4 Radiator Water Coolant Cooler Fans 54840291B is a high-quality replacement part specifically designed for Ducati motorcycles. Made in Italy by the original equipment manufacturer, this radiator is a perfect fit for the engine compartment of the specified models. With the OE/OEM part number 54840291B, this water coolant cooler ensures optimal performance and durability for your motorcycle. Upgrade your bike with this genuine Ducati part for reliable engine cooling and maintenance.