Westerbeke 030473 / 045231 Fresh Water Pump for Mitsubishi S4L / S4L2 Marine Generator - New Aftermarket

Application: New aftermarket fresh water / coolant circulating pump for Mitsubishi S4L and S4L2 diesel engines, including Westerbeke marine generator sets referencing part numbers 030473 and 045231. Also cross-references to Mitsubishi MM409302, MM409303, MM433424, and 1273085C91 for Satoh / Mitsubishi compact tractors, Iseki, and various industrial gensets. Condition: New aftermarket in original box, includes gasket. Cast aluminum housing, 4-bolt pulley hub, single outlet with brass hose barb, multi-bolt block flange. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase.