Compatible with outboard motor models 1746198501, 1746198503, and 17461985M0, this water pump impeller kit is designed to fit a wide range of small to midsized marine engines. It works seamlessly with both 2stroke and 4stroke motors, providing reliable performance across different motor types. Key features and benefits: Broad compatibility for multiple engine models, reducing the need for multiple different parts. Fits outboard water pump systems from 2HP to 9HP, making it an ideal replacement for small boats, fishing vessels, and lightweight marine applications. Designed to support efficient cooling, helping prevent engine overheating and ensuring smooth, consistent operation. Includes both impeller and key for a complete installation, minimizing downtime and effort. Practical uses: 1. Routine maintenance or replacement for worn or damaged impellers on compatible outboard motors to maintain cooling performance. 2. Ideal for small fishing boats that require dependable water circulation for extended trips. 3. Suitable for projects on auxiliary or tender motors, ensuring they remain operational and efficient. Constructed for durability and precision fit, this kit provides the exact components needed to restore your outboard motor's water pump function. Whether used for regular upkeep or emergency repairs, it ensures your engine stays protected and running at peak performance.