Mercury - Quicksilver Water Pump Base Repair Kit Cooling System Component Complete OEM Kit 44292A3. Overview. A steady stream of cooling water keeps your sterndrive alive, and the Mercury Marine 44292A3 Quicksilver Water Pump Base Repair Kit makes sure it stays that way. Designed for MerCruiser MR and Alpha One drives, this five-piece kit includes everything needed to rebuild the water pump base and restore proper cooling flow. Each component - from the gaskets and o-ring to the molded base and