Impeller 47-59362Q01 47-59362 T1 47-59362 A1 47-59362 1 18-3087 for Mercury Mercruiser 4.3L 5.0L 5.7L 7.4L V8 Sterndrive Outboard motor Number of Blades: 8, Plastic Hub Height: 51.17 mm External Impeller Overall Diameter: 66.78mm Internal Shaft Insert Diameter: 19.04mm Net Weight: 94g A External Impeller Overall Diameter: 66.78mm B Height: 51.17mm C Internal Shaft Insert Diameter : 19.04mm Number of Blades: 8 Net Weight: 94 g Plastic Hub Condition: New All parts are available in stock, we can ship it out within 1-2 business days!