IMPELLER KIT F6 MC97 - 189-09812B1Impellers play a key role in keeping boat engines cool. Malfunctions can lead to engine overheating. In addition to spoiling what would otherwise have been a fun day on the water, that can lead to costly tows and even more expensive engine repairs or replacements. Service Kit includes impeller, white foam gasket, o ring (discarded in most applications), and glycerin lubrication for assembly Services all F6 series Johnson pumps Impeller material is