Sierra Impeller Mercruiser Sterndrive 18-3087 by Sierra International $28.60 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Sierra Impeller Mercruiser Sterndrive #18-3087 Replaces: 47-59362, 47-59362T Jabsco: 17954-0001P