This high-quality water pump impeller is designed for Mercury OptiMax outboards to ensure a steady flow of cooling water to your engine. Featuring a center insert that resists tearing, this impeller provides durability and high flow rates even during periods of heavy operation.
- Fits Mercury OptiMax 2.5L non-pro models (1B227000 and above)
- Provides cooling water to prevent engine overheating
- Impeller elastomers remain flexible across broad temperature ranges
- Designed for durability and higher cooling flow rates
- Produced to meet original equipment manufacturer specifications
