Water Pump Impeller Kit for Mercury Mercruiser Alpha One 46-96148A8 46-96148Q8 Includes all items as pictured Fits most Mercruiser Pre-Alpha 1970-1983 Fits Mercruiser Alpha One 1983-1990 Replaces Mercury Marine OEM 46-96148Q8, 46-96148T8, 46-96148A8