Item Type: Water Pump Impeller Material: Neoprene, Nylon Replaces Part Number: 18-3084 47-F40065-2 Number of Blades: 10 Depth or Height or Width: Approx. 14.68mm or 0.58in External Impeller Diameter: Approx. 57.26mm or 2.3in Internal Shaft Insert or Hub Diameter: Approx. 16mm or 0.63in Fitment: Fit for Chrysler or Force 2 stroke Fit for 35hp 1972-1982 year Fit for 45hp 1972-1982 year Fit for 55hp 1976-1982 year Fit for Chrysler 35HP or 45HP Fit for Chrysler 55HP (554 thru 559HA, HD) 1Replacing part numbers for reference: 18 3084, 47 F40065 2. 210 blades water pump impeller, fit for Chrysler or Force 2 stroke 35hp 45hp 55hp. 3Using durable neoprene material, high hardness and toughness, not eays to deform. 4Easy to install, direct replacement for old or broken one. 5Built to meet standard specification, strictly follow factory quality control.Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!1 x Water Pump Impeller