Mercury Impeller 85647 helps keep Mercury and Mariner outboards cool by circulating water through the engine’s cooling passages. Engineered for flexibility across a wide range of temperatures, it ensures consistent performance throughout the entire boating season.
- Fits Mercury and Mariner 3.4L 2-cycle carbureted outboards
- Provides improved flexibility across a wide temperature range
- Keeps vital engine cooling passages clear and functioning
- Mercury parts and accessories provide the best fit, function and performance