Keep your outboard's cooling-water impeller operating efficiently with the Mercury Impeller Key 8M0032831. Manufactured from durable stainless steel, this replacement key is essential for securing the impeller to the driveshaft for reliable water flow. Mercury parts and accessories are engineered to provide the best fit and performance for your EFI FourStroke engine.
- Fits Mercury 3-cylinder 30-40hp and 4-cylinder 40-60hp EFI FourStroke outboards
- Durable stainless steel construction for maximum longevity
- Secures the water pump impeller for reliable cooling operation
- Direct replacement for the original equipment impeller key
- Mercury parts ensure the best fit, function, and performance
