Replaces: Mercury/MerCruiser: 47-59362, 47-593621, 47-59362A1, 47-59362B1, 47-59362Q01, 47-59362Q01, 47-59362T1; GLM: 89740 Sierra: 18-3087 Years Used: 1997 - 2010 Fits: MerCruiser V6, 155-175 Hp | V8, 180-1650 Hp Bravo, SSM, Dry Six, M6 & NXT drive water pumps. Single Flat Drive Hub. ID: 13 mm | OD: 58.8 mm, W: 50.6 mm | 8 blades