Quicksilver 46-821351A3 Upper Water Pump Housing Repair KitQuicksilver 821351A3 Repair Kit is designed for select Mercury 25-50hp FourStroke carbureted, BigFoot, and Bodensee outboards. This 3-piece kit helps maintain proper engine cooling and ensures reliable performance. Easy to install with common shop tools, it's a practical solution for keeping your outboard in optimal condition.Features: 3-piece repair kit for Mercury 25-50hp FourStroke, BigFoot, and Bodensee outboards; OEM-quality replacement for durability and reliability; Simple installation using standard tools; Maintains proper engine cooling; Application/Use Cases: Mercury 30/40 HP FourStroke (Serial 0G0553140G760299); Mercury 40/50 /45 Bodensee /50 BigFoot 4-Stroke (Serial 0G2311230G760299); Mercury Force 40/50 HP (19981999) (Serial 0E2880000E369299); Ideal for servicing upper water pump housings, replacing worn or damaged components, and maintaining proper engine cooling on select Mercury outboards;